Author: challngr Date: Sun Nov 1 14:09:47 2015 New Revision: 1711768 URL: http://svn.apache.org/viewvc?rev=1711768&view=rev Log: UIMA-4577 Cassandra db support; packaging and scriptng.
Added: uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra-env.sh (with props) uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra.yaml.prep (with props) uima/sandbox/uima-ducc/trunk/uima-ducc-database/src/main/java/org/apache/uima/ducc/database/DbAlive.java Modified: uima/sandbox/uima-ducc/trunk/pom.xml uima/sandbox/uima-ducc/trunk/src/main/admin/ducc.py uima/sandbox/uima-ducc/trunk/src/main/admin/ducc_post_install uima/sandbox/uima-ducc/trunk/src/main/admin/ducc_util.py uima/sandbox/uima-ducc/trunk/src/main/admin/start_ducc uima/sandbox/uima-ducc/trunk/src/main/assembly/bin.xml uima/sandbox/uima-ducc/trunk/src/main/resources/default.ducc.properties uima/sandbox/uima-ducc/trunk/src/main/resources/log4j.xml uima/sandbox/uima-ducc/trunk/uima-ducc-database/src/main/java/org/apache/uima/ducc/database/DbCreate.java uima/sandbox/uima-ducc/trunk/uima-ducc-database/src/main/java/org/apache/uima/ducc/database/DbManager.java uima/sandbox/uima-ducc/trunk/uima-ducc-database/src/main/java/org/apache/uima/ducc/database/HistoryManagerDb.java uima/sandbox/uima-ducc/trunk/uima-ducc-examples/src/main/scripts/start_sim uima/sandbox/uima-ducc/trunk/uima-ducc-examples/src/main/scripts/stop_sim uima/sandbox/uima-ducc/trunk/uima-ducc-parent/pom.xml Modified: uima/sandbox/uima-ducc/trunk/pom.xml URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/pom.xml?rev=1711768&r1=1711767&r2=1711768&view=diff ============================================================================== --- uima/sandbox/uima-ducc/trunk/pom.xml (original) +++ uima/sandbox/uima-ducc/trunk/pom.xml Sun Nov 1 14:09:47 2015 @@ -336,6 +336,27 @@ </configuration> </execution> + <execution> + <!-- use the dependency:unpack goal to unpack the + base binary uima-as distribution --> + <id>unpack cassandra Bin</id> + <phase>prepare-package</phase> + <goals><goal>unpack</goal></goals> + <configuration> + <overWriteIfNewer>true</overWriteIfNewer> + <artifactItems> + <artifactItem> + <groupId>org.apache.cassandra</groupId> + <artifactId>apache-cassandra</artifactId> + <version>${cassandra.server.version}</version> + <type>tar.gz</type> + <classifier>bin</classifier> + <outputDirectory>${project.build.directory}/cassandra</outputDirectory> + </artifactItem> + </artifactItems> + </configuration> + </execution> + <execution> <!-- use the dependency:unpack goal to unpack the Jetty release --> Modified: uima/sandbox/uima-ducc/trunk/src/main/admin/ducc.py URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/src/main/admin/ducc.py?rev=1711768&r1=1711767&r2=1711768&view=diff ============================================================================== --- uima/sandbox/uima-ducc/trunk/src/main/admin/ducc.py (original) +++ uima/sandbox/uima-ducc/trunk/src/main/admin/ducc.py Sun Nov 1 14:09:47 2015 @@ -27,7 +27,6 @@ import time from ducc_util import DuccUtil from local_hooks import verify_slave_node -import database as db from properties import Properties from properties import Property @@ -35,50 +34,43 @@ from properties import Property class Ducc(DuccUtil): - def run_db(self, background): - # The dom gets loaded by the import above - or not - if ( not db.domloaded ): - print "Unable to read database configuration; insure the installed Python supports xml.dom.minidom" - print "Note that Python must be at least version 2.6 but not 3.x. You are running version", sys.version_info - return - - print '(re)Starting the database' - - # first write this out so it's easy to find in java without having to parse xml - (jvm_parms, classpath, db_rt, dburl, dbrest, dbroot) = self.db_parms - db_pw_file = Properties() - comment = [] - comment.append('# Do not modify this file, it is auto-generated.') - comment.append('# This is extracted from the database configuration and written to this file on every boot of the db') - p = Property('db_password', dbroot, comment) - db_pw_file.put_property(p) - db_pw_filename = self.DUCC_HOME + '/resources.private/db_password' - db_pw_file.write(db_pw_filename) - os.chmod(db_pw_filename, 0700) + def run_db(self): - main = 'com.orientechnologies.orient.server.OServerMain' - - jp = '' - for k in jvm_parms.keys(): - v = jvm_parms[k] - if ( v == None ): - jp = jp + k + ' ' - else: - jp = jp + k + '=' + v + ' ' - - - if ( self.db_jvm_args != None ): - jp = jp + ' ' + self.db_jvm_args + print '-------- starting the database' + if ( self.db_disabled ): + print 'Database is disabled; not starting it.' + print 'OK' + return + + if ( not os.path.exists(self.DUCC_HOME + "/database/data" )): + print 'Database is missing. You must initialize the database with DbCreate.' + print 'NOTOK' + return - cmd = ' '.join(['nohup', self.java(), jp, '-cp', classpath, main, '&']) - print cmd + # check for the pid to see if the DB is running. + if ( self.db_process_alive() ) : + print 'Database is already running.' + print 'OK' + return here = os.getcwd() - os.chdir(db_rt) - pid = self.spawn(cmd) - os.chdir(here) - - print 'OK' + os.chdir(self.DUCC_HOME + "/cassandra-server") + pidfile = self.DUCC_HOME + '/state/cassandra.pid' + CMD = "bin/cassandra -p "+ pidfile + " > /dev/null 2>&1" + print '------- Running', CMD + + os.system(CMD); + print "Database is started. Waiting for initialization"; + + # DB (cassandra) starts and take a moment before anything works. DbAlive retries for a while + # to (a) connect as (b) ducc with (c) initialized database + if ( self.db_alive() ): + print "OK" + else: + # The database MIGHT be started but not configured or otherwise faulty. db_alive() prints + # some useful hints. we indicate failure here though so you don't proceed too far before + # fixing it. + print "NOTOK" def run_broker(self, component): broker_port = self.ducc_properties.get('ducc.broker.port') @@ -348,7 +340,7 @@ class Ducc(DuccUtil): self.usage("Must specify component") if ( component == 'db' ): - self.run_db(background) + self.run_db() return if ( component == 'broker' ): Modified: uima/sandbox/uima-ducc/trunk/src/main/admin/ducc_post_install URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/src/main/admin/ducc_post_install?rev=1711768&r1=1711767&r2=1711768&view=diff ============================================================================== --- uima/sandbox/uima-ducc/trunk/src/main/admin/ducc_post_install (original) +++ uima/sandbox/uima-ducc/trunk/src/main/admin/ducc_post_install Sun Nov 1 14:09:47 2015 @@ -83,24 +83,78 @@ class PostInstall(): print 'WARNING' print '' - def configure_database(self): - self.ducc_default_properties = Properties() - self.ducc_default_properties.load(self.DUCC_HOME + '/resources/default.ducc.properties') - self.ducc_default_properties.put('ducc.head', self.ducc_head) - - dburl = self.ducc_default_properties.get('ducc.database.url') - dbconfig = self.DUCC_HOME + '/' + self.ducc_default_properties.get('ducc.database.config.file') - print 'Configuring database at', dburl, 'from', dbconfig - print '' + def addToCp(self, cp, lib): + return cp + ':' + self.DUCC_HOME + '/' + lib - if ( self.database_pw == None ): - self.database_pw = '' - while ( self.database_pw == '' ): - self.database_pw = raw_input('Enter password for database root:') + def execute(self, CMD): + print CMD + rc = os.system(CMD) + if ( rc != 0 ): + print 'Failure, cannot continue.' + sys.exit(1) - print '' - db.configure(dbconfig, self.ducc_head, self.database_pw) + def configure_database(self): + # for cassandra: + # in ducc_runtime/cassandra-server/conf we need to update cassandra.yaml to establish + # the data directories and db connection addresses + + # Note this is a bootstrap routine and doesn't try to use common code that may depend on + # things being initialized correctly. + + return + if ( os.path.exists(self.DUCC_HOME + "/database/data") ): + print 'Database is already defined. Not configuring' + return + + db_pw = raw_input("Enter database password OR 'disable' to disable database support:") + if ( db_pw == '' ): + print "Must enter a DB password to continue." + sys.exit(1); + + if ( db_pw == 'disable' ): + print 'Database support will be disabled' + self.update_property('ducc.database.host', '--disabled--', '# Database support is disabled') + return; + else: + self.update_property('ducc.database.host', self.ducc_head, '# Database location') + + config = self.DUCC_HOME + '/cassandra-server/conf/cassandra.yaml' + esc_home = self.DUCC_HOME.replace("/", "\/"); + print "------ escaped home", esc_home + + ch_head = "sed -i .bak s'/DUCC_HEAD/" + self.ducc_head + "'/ " + config + self.execute(ch_head) + ch_home = "sed -i .bak s'/DUCC_HOME/" + esc_home + "'/ " + config + self.execute(ch_home) + + here = os.getcwd() + os.chdir(self.DUCC_HOME + "/cassandra-server") + pidfile = self.DUCC_HOME + '/state/cassandra.pid' + CMD = "bin/cassandra -p "+ pidfile + " > /dev/null 2>&1"; + os.system(CMD); + print "Database is started. Waiting for initialization"; + + # Now start the db and create the schema + CLASSPATH = '' + CLASSPATH = self.addToCp(CLASSPATH, 'lib/cassandra/*') + CLASSPATH = self.addToCp(CLASSPATH, 'lib/guava/*') + CLASSPATH = self.addToCp(CLASSPATH, 'lib/apache-log4j/*') + CLASSPATH = self.addToCp(CLASSPATH, 'lib/uima-ducc/*') + CLASSPATH = self.addToCp(CLASSPATH, 'apache-uima/apache-activemq/lib/*') + os.environ['CLASSPATH'] = CLASSPATH + + # First time - use built-in password and id. These get changed and then disabled with DbCreate. + CMD = [self.path_to_java, 'org.apache.uima.ducc.database.DbAlive', self.ducc_head, 'cassandra', 'cassandra'] + CMD = ' '.join(CMD) + self.execute(CMD) + CMD = [self.path_to_java, '-DDUCC_HOME=' + self.DUCC_HOME, 'org.apache.uima.ducc.database.DbCreate', self.ducc_head, 'ducc', db_pw] + CMD = ' '.join(CMD) + self.execute(CMD) + + CMD = ['kill', '-TERM', '`cat ' + pidfile + '`'] + CMD = ' '.join(CMD) + self.execute(CMD) def get_keystore_pw(self, prompt): @@ -381,6 +435,10 @@ class PostInstall(): self.setup_ducc_head() self.check_nodes() + # insure java is configured and installed + self.java_bindir = self.get_java_bindir() + + # configure the database for local system and initialize the schema self.configure_database() # As of DUCC 2.0, always set here on installation @@ -399,8 +457,6 @@ class PostInstall(): if ( not os.path.exists(historydir) ): os.mkdir(historydir) - # insure java is configured and installed - self.java_bindir = self.get_java_bindir() self.keytool = self.get_java_keytool(self.java_bindir) print 'Java version:', self.get_java_version() print 'Java is verified.' Modified: uima/sandbox/uima-ducc/trunk/src/main/admin/ducc_util.py URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/src/main/admin/ducc_util.py?rev=1711768&r1=1711767&r2=1711768&view=diff ============================================================================== --- uima/sandbox/uima-ducc/trunk/src/main/admin/ducc_util.py (original) +++ uima/sandbox/uima-ducc/trunk/src/main/admin/ducc_util.py Sun Nov 1 14:09:47 2015 @@ -34,8 +34,6 @@ from threading import * import traceback import Queue -import database as db - from stat import * from local_hooks import find_other_processes @@ -138,7 +136,6 @@ class DuccUtil(DuccBase): self.pm_jvm_args = self.ducc_properties.get('ducc.pm.jvm.args') self.rm_jvm_args = self.ducc_properties.get('ducc.rm.jvm.args') self.sm_jvm_args = self.ducc_properties.get('ducc.sm.jvm.args') - self.db_jvm_args = self.ducc_properties.get('ducc.db.jvm.args') self.or_jvm_args = self.ducc_properties.get('ducc.orchestrator.jvm.args') @@ -162,113 +159,86 @@ class DuccUtil(DuccBase): print 'Merging', base_props, 'with', site_props, 'into', run_props os.system(CMD) - def db_read_parms(self): - # - # common setup for orientdb management - # - dbhost = self.ducc_properties.get('ducc.database.host') + def db_configure(self): + dbhost = self.ducc_properties.get('ducc.database.host') if ( dbhost == self.db_disabled ): - self.db_parms = self.db_disabled - return self.db_parms - - dburl = self.ducc_properties.get('ducc.database.url') - dbrest = self.ducc_properties.get('ducc.database.rest.url') - dbconfig = self.ducc_properties.get('ducc.database.config.file') - dbroot = db.get_db_password(DUCC_HOME, dbconfig) - if ( dbroot == None ): - print 'Cannot find database passord in', dbconfig - sys.exit(1) - - rt = self.DUCC_HOME # (ducc runtime) - db_rt = rt + '/database' # ORIENTDB_HOME - the database "home" place + self.db_disabled = True + else: + self.db_disabled = False + dbprops = Properties() + dbprops.load(self.DUCC_HOME + '/resources.private/database.password') + self.db_password = dbprops.get('db_password') - jvm_parms = { - '-Dfile.encoding' : 'UTF8', - '-Drhino.opt.level' : '9', - '-Dprofile.enabled' : 'true', - '-Djna.nosys' : 'true', - '-Djava.awt.headless' : 'true', - '-Dorientdb.config.file' : rt + '/' + dbconfig, - '-Dorientdb.www.path' : db_rt + '/www', - '-Djava.util.logging.config.file' : rt + '/resources/database.log.config', - '-Dcom.sun.management.jmxremote' : None, - '-Dcom.sun.management.jmxremote.ssl' : 'false', - '-Dcom.sun.management.jmxremote.authenticate': 'false', - '-Dcom.sun.management.jmxremote.port': '1098', - } - classpath = '"' + rt + '/lib/orientdb/*' - classpath = classpath + ':' + rt + '/lib/jna/*' + '"' + # does the database process exist? + def db_process_alive(self): + pidfile = self.DUCC_HOME + '/state/cassandra.pid' - os.environ['DUCC_HOME'] = self.DUCC_HOME - os.environ['ORIENTDB_HOME'] = db_rt + if ( not os.path.exists(pidfile) ): + return False - self.db_parms = (jvm_parms, classpath, db_rt, dburl, dbrest, dbroot) + f = open(self.DUCC_HOME + '/state/cassandra.pid') + pid = f.read(); + f.close() + answer = [] + if ( self.system == 'Darwin'): + ps = 'ps -eo user,pid,comm,args ' + pid + else: + ps = 'ps -eo user:14,pid,comm,args ' + pkd + lines = self.popen(ps) + + for line in lines: + line = line.strip() + if (pid in line): + return True + return False + # contact the database and see how useful it seems to be def db_alive(self): - if ( self.db_parms == self.db_disabled ): + if ( self.db_disabled == True ): return True - (jvm_parms, classpath, db_rt, dburl, dbrest, dbroot) = self.db_parms + dbnode = self.ducc_properties.get('ducc.state.database.url') + if ( dbnode == None ): + print 'No database location defined.' + return False + # get our log4j config into the path to shut up noisy logging + os.environ['CLASSPATH'] = os.environ['CLASSPATH'] + ':' + self.DUCC_HOME + '/resources' + + CMD = [self.java(), 'org.apache.uima.ducc.database.DbAlive', dbnode, 'ducc', self.db_password] - try: - conn = httplib.HTTPConnection(dbrest) - conn.request('GET', '/listDatabases') - except Exception, (e): - print " Checking connection: ", e + CMD = ' '.join(CMD) + rc = os.system(CMD) + if ( rc == 0 ): + return True + else: return False - - resp = conn.getresponse() - print 'response code', resp.status, resp.reason - data = resp.read() - print 'Data:', data - - if ( resp.status == 200 ): - # it will be simple json that Python will see as lists and maps so we can just eval it - data = eval(data) - dblist = data['databases'] - if ( len(dblist) == 0 ): - print ' Connection succeeded, no databases found.' - pass - else: - print 'Found these databases:' - for d in data['databases']: - print ' ', d - return True + def db_start(self): - return True # bypass all of this for the initial delivery - if ( self.db_parms == self.db_disabled ): + if ( self.db_disabled == True) : print ' (Bypass database start because ducc.database.host =', self.db_disabled + ')' return True print 'Starting database' - - self.sync_db_config() # insure db is running on head node, in case the head changed in ducc.properties - node = self.ducc_properties.get('ducc.head') - - if ( node == 'local' ): - node = self.localhost - - if ( self.db_alive() ): - print 'Database is already started.' - return True + dbnode = self.ducc_properties.get('ducc.state.database.url') max_attempts = 5 attempt = 0 while attempt < max_attempts: - lines = self.ssh(node, True, "'", self.DUCC_HOME + '/admin/ducc.py', '-c', 'db', '--nodup', "'") + lines = self.ssh(dbnode, True, "'", self.DUCC_HOME + '/admin/ducc.py', '-c', 'db', '--nodup', "'") # we'll capture anything that the python shell spews because it may be useful, and then drop the # pipe when we see a PID message + while True: try: line = lines.readline().strip() except: break - print '[]', line + # print '[]', line if ( not line ): break @@ -279,7 +249,6 @@ class DuccUtil(DuccBase): lines.close(); print 'waiting for database to start' - time.sleep(5) if ( self.db_alive() ): return True @@ -288,70 +257,18 @@ class DuccUtil(DuccBase): return False - def db_init(self): - return True - # bypass all of this for the initial delivery - if ( self.db_parms == self.db_disabled ): - return True - - print 'Initializing database.' - main = 'org.apache.uima.ducc.database.DbCreate' - (jvm_parms, classpath, db_rt, dburl, dbrest, dbroot) = self.db_parms - - classpath = self.DUCC_HOME + '/lib/uima-ducc/*:' + classpath - dburl = self.ducc_properties.get('ducc.state.database.url') - cmd = ' '.join([self.java(), '-DDUCC_HOME=' + self.DUCC_HOME, '-cp', classpath, main, dburl]) - print cmd - self.spawn(cmd) - def db_stop(self): - return True - # bypass all of this for the initial delivery - if ( self.db_parms == self.db_disabled ): - return True - - - cfgfile = 'ducc.database.config.file' - dbconfig = self.ducc_properties.get(cfgfile) - if ( dbconfig == None ): - print 'Database is not configured:', cfgfile, 'is not found in ducc.properties' - return - - rt = self.DUCC_HOME # (ducc runtime) - db_rt = rt + '/database' # ORIENTDB_HOME - the database "home" place - - jvm_parms = { - '-Djava.awt.headless' : 'true', - '-Dorientdb.config.file' : rt + '/' + dbconfig, - } - classpath = '"' + rt + '/lib/orientdb/*' + '"' - - main = 'com.orientechnologies.orient.server.OServerShutdownMain' - - jp = '' - for k in jvm_parms.keys(): - v = jvm_parms[k] - if ( v == None ): - jp = jp + k + ' ' - else: - jp = jp + k + '=' + v + ' ' + if ( self.db_disabled == True) : + print ' (Bypass database start because ducc.database.host =', self.db_disabled + ')' + return True - os.environ['ORIENTDB_HOME'] = db_rt - cmd = ' '.join([self.java(), jp, '-cp', classpath, main]) - print cmd + pidfile = self.DUCC_HOME + '/state/cassandra.pid' - here = os.getcwd() - os.chdir(db_rt) - self.spawn(cmd) - os.chdir(here) - - def sync_db_config(self): - dbconfig = self.DUCC_HOME + '/' + self.ducc_properties.get('ducc.database.config.file') - head = self.ducc_properties.get('ducc.head') - print 'Sync database node with head node on', head - dom = db.update_head(dbconfig, head) - db.write_config(dbconfig, dom) + # for cassandra, just send it a terminate signal. a pidfile is written on startup + CMD = ['kill', '-TERM', '`cat ' + pidfile + '`'] + CMD = ' '.join(CMD) + os.system(CMD) def find_netstat(self): # don't you wish people would get together on where stuff lives? @@ -420,7 +337,6 @@ class DuccUtil(DuccBase): def ssh(self, host, do_wait, *CMD): cmd = ' '.join(CMD) - # print 'ssh -o BatchMode=yes -o ConnectTimeout=10', host, cmd if ( do_wait ): return self.popen('ssh -q -o BatchMode=yes -o ConnectTimeout=10', host, cmd) else: @@ -452,6 +368,7 @@ class DuccUtil(DuccBase): CLASSPATH = CLASSPATH + ':' + LIB + 'jna/*' CLASSPATH = CLASSPATH + ':' + LIB + 'libpam4j/*' CLASSPATH = CLASSPATH + ':' + LIB + 'uima-ducc/*' + CLASSPATH = CLASSPATH + ':' + LIB + 'cassandra/*' # CLASSPATH = CLASSPATH + ':' + DH + 'resources' UIMA-4168 Use API, not classpath to configure log4j @@ -978,7 +895,7 @@ class DuccUtil(DuccBase): self.os_pagesize = self.get_os_pagesize() self.update_properties() - self.db_read_parms() + self.db_configure() manage_broker = self.ducc_properties.get('ducc.broker.automanage') Modified: uima/sandbox/uima-ducc/trunk/src/main/admin/start_ducc URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/src/main/admin/start_ducc?rev=1711768&r1=1711767&r2=1711768&view=diff ============================================================================== --- uima/sandbox/uima-ducc/trunk/src/main/admin/start_ducc (original) +++ uima/sandbox/uima-ducc/trunk/src/main/admin/start_ducc Sun Nov 1 14:09:47 2015 @@ -312,9 +312,7 @@ class StartDucc(DuccUtil): sys.exit(1) try: - if ( self.db_start() ): - self.db_init() - + self.db_start() except Exception (e): # print e print sys.exc_info()[0], "Can't start the database." Modified: uima/sandbox/uima-ducc/trunk/src/main/assembly/bin.xml URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/src/main/assembly/bin.xml?rev=1711768&r1=1711767&r2=1711768&view=diff ============================================================================== --- uima/sandbox/uima-ducc/trunk/src/main/assembly/bin.xml (original) +++ uima/sandbox/uima-ducc/trunk/src/main/assembly/bin.xml Sun Nov 1 14:09:47 2015 @@ -298,6 +298,17 @@ under the License. <directoryMode>755</directoryMode> </fileSet> + <!-- CASSANDRA server --> + <fileSet> + <directory>target/cassandra/apache-cassandra-2.1.11</directory> + <outputDirectory>cassandra-server</outputDirectory> + <excludes> + <exclude>javadac/*</exclude> + </excludes> + <fileMode>755</fileMode> + <directoryMode>755</directoryMode> + </fileSet> + <!-- Unversioned CLI jar --> <fileSet> <directory>uima-ducc-cli/target</directory> Added: uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra-env.sh URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra-env.sh?rev=1711768&view=auto ============================================================================== --- uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra-env.sh (added) +++ uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra-env.sh Sun Nov 1 14:09:47 2015 @@ -0,0 +1,311 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +calculate_heap_sizes() +{ + case "`uname`" in + Linux) + system_memory_in_mb=`free -m | awk '/:/ {print $2;exit}'` + system_cpu_cores=`egrep -c 'processor([[:space:]]+):.*' /proc/cpuinfo` + ;; + FreeBSD) + system_memory_in_bytes=`sysctl hw.physmem | awk '{print $2}'` + system_memory_in_mb=`expr $system_memory_in_bytes / 1024 / 1024` + system_cpu_cores=`sysctl hw.ncpu | awk '{print $2}'` + ;; + SunOS) + system_memory_in_mb=`prtconf | awk '/Memory size:/ {print $3}'` + system_cpu_cores=`psrinfo | wc -l` + ;; + Darwin) + system_memory_in_bytes=`sysctl hw.memsize | awk '{print $2}'` + system_memory_in_mb=`expr $system_memory_in_bytes / 1024 / 1024` + system_cpu_cores=`sysctl hw.ncpu | awk '{print $2}'` + ;; + *) + # assume reasonable defaults for e.g. a modern desktop or + # cheap server + system_memory_in_mb="2048" + system_cpu_cores="2" + ;; + esac + + # some systems like the raspberry pi don't report cores, use at least 1 + if [ "$system_cpu_cores" -lt "1" ] + then + system_cpu_cores="1" + fi + + # set max heap size based on the following + # max(min(1/2 ram, 1024MB), min(1/4 ram, 8GB)) + # calculate 1/2 ram and cap to 1024MB + # calculate 1/4 ram and cap to 8192MB + # pick the max + half_system_memory_in_mb=`expr $system_memory_in_mb / 2` + quarter_system_memory_in_mb=`expr $half_system_memory_in_mb / 2` + if [ "$half_system_memory_in_mb" -gt "1024" ] + then + half_system_memory_in_mb="1024" + fi + if [ "$quarter_system_memory_in_mb" -gt "8192" ] + then + quarter_system_memory_in_mb="8192" + fi + if [ "$half_system_memory_in_mb" -gt "$quarter_system_memory_in_mb" ] + then + max_heap_size_in_mb="$half_system_memory_in_mb" + else + max_heap_size_in_mb="$quarter_system_memory_in_mb" + fi + MAX_HEAP_SIZE="${max_heap_size_in_mb}M" + + # Young gen: min(max_sensible_per_modern_cpu_core * num_cores, 1/4 * heap size) + max_sensible_yg_per_core_in_mb="100" + max_sensible_yg_in_mb=`expr $max_sensible_yg_per_core_in_mb "*" $system_cpu_cores` + + desired_yg_in_mb=`expr $max_heap_size_in_mb / 4` + + if [ "$desired_yg_in_mb" -gt "$max_sensible_yg_in_mb" ] + then + HEAP_NEWSIZE="${max_sensible_yg_in_mb}M" + else + HEAP_NEWSIZE="${desired_yg_in_mb}M" + fi +} + +# Determine the sort of JVM we'll be running on. + +java_ver_output=`"${JAVA:-java}" -version 2>&1` + +jvmver=`echo "$java_ver_output" | grep '[openjdk|java] version' | awk -F'"' 'NR==1 {print $2}'` +JVM_VERSION=${jvmver%_*} +JVM_PATCH_VERSION=${jvmver#*_} + +#if [ "$JVM_VERSION" \< "1.7" ] ; then +# echo "Cassandra 2.0 and later require Java 7u25 or later." +# exit 1; +#fi + +#if [ "$JVM_VERSION" \< "1.8" ] && [ "$JVM_PATCH_VERSION" \< "25" ] ; then +# echo "Cassandra 2.0 and later require Java 7u25 or later." +# exit 1; +#fi + + +jvm=`echo "$java_ver_output" | grep -A 1 'java version' | awk 'NR==2 {print $1}'` +case "$jvm" in + OpenJDK) + JVM_VENDOR=OpenJDK + # this will be "64-Bit" or "32-Bit" + JVM_ARCH=`echo "$java_ver_output" | awk 'NR==3 {print $2}'` + ;; + "Java(TM)") + JVM_VENDOR=Oracle + # this will be "64-Bit" or "32-Bit" + JVM_ARCH=`echo "$java_ver_output" | awk 'NR==3 {print $3}'` + ;; + *) + # Help fill in other JVM values + JVM_VENDOR=other + JVM_ARCH=unknown + ;; +esac + + +# Override these to set the amount of memory to allocate to the JVM at +# start-up. For production use you may wish to adjust this for your +# environment. MAX_HEAP_SIZE is the total amount of memory dedicated +# to the Java heap; HEAP_NEWSIZE refers to the size of the young +# generation. Both MAX_HEAP_SIZE and HEAP_NEWSIZE should be either set +# or not (if you set one, set the other). +# +# The main trade-off for the young generation is that the larger it +# is, the longer GC pause times will be. The shorter it is, the more +# expensive GC will be (usually). +# +# The example HEAP_NEWSIZE assumes a modern 8-core+ machine for decent pause +# times. If in doubt, and if you do not particularly want to tweak, go with +# 100 MB per physical CPU core. + +#MAX_HEAP_SIZE="4G" +#HEAP_NEWSIZE="800M" + +# Set this to control the amount of arenas per-thread in glibc +#export MALLOC_ARENA_MAX=4 + +if [ "x$MAX_HEAP_SIZE" = "x" ] && [ "x$HEAP_NEWSIZE" = "x" ]; then + calculate_heap_sizes +else + if [ "x$MAX_HEAP_SIZE" = "x" ] || [ "x$HEAP_NEWSIZE" = "x" ]; then + echo "please set or unset MAX_HEAP_SIZE and HEAP_NEWSIZE in pairs (see cassandra-env.sh)" + exit 1 + fi +fi + +if [ "x$MALLOC_ARENA_MAX" = "x" ] +then + export MALLOC_ARENA_MAX=4 +fi + +# Specifies the default port over which Cassandra will be available for +# JMX connections. +# For security reasons, you should not expose this port to the internet. Firewall it if needed. +JMX_PORT="7199" + + +# Here we create the arguments that will get passed to the jvm when +# starting cassandra. + +# enable assertions. disabling this in production will give a modest +# performance benefit (around 5%). +JVM_OPTS="$JVM_OPTS -ea" + +# add the jamm javaagent +JVM_OPTS="$JVM_OPTS -javaagent:$CASSANDRA_HOME/lib/jamm-0.3.0.jar" + +# some JVMs will fill up their heap when accessed via JMX, see CASSANDRA-6541 +JVM_OPTS="$JVM_OPTS -XX:+CMSClassUnloadingEnabled" + +# enable thread priorities, primarily so we can give periodic tasks +# a lower priority to avoid interfering with client workload +JVM_OPTS="$JVM_OPTS -XX:+UseThreadPriorities" +# allows lowering thread priority without being root. see +# http://tech.stolsvik.com/2010/01/linux-java-thread-priorities-workaround.html +JVM_OPTS="$JVM_OPTS -XX:ThreadPriorityPolicy=42" + +# min and max heap sizes should be set to the same value to avoid +# stop-the-world GC pauses during resize, and so that we can lock the +# heap in memory on startup to prevent any of it from being swapped +# out. +JVM_OPTS="$JVM_OPTS -Xms${MAX_HEAP_SIZE}" +JVM_OPTS="$JVM_OPTS -Xmx${MAX_HEAP_SIZE}" +JVM_OPTS="$JVM_OPTS -Xmn${HEAP_NEWSIZE}" +JVM_OPTS="$JVM_OPTS -XX:+HeapDumpOnOutOfMemoryError" + +# set jvm HeapDumpPath with CASSANDRA_HEAPDUMP_DIR +if [ "x$CASSANDRA_HEAPDUMP_DIR" != "x" ]; then + JVM_OPTS="$JVM_OPTS -XX:HeapDumpPath=$CASSANDRA_HEAPDUMP_DIR/cassandra-`date +%s`-pid$$.hprof" +fi + + +startswith() { [ "${1#$2}" != "$1" ]; } + +# Per-thread stack size. +JVM_OPTS="$JVM_OPTS -Xss256k" + +# Larger interned string table, for gossip's benefit (CASSANDRA-6410) +JVM_OPTS="$JVM_OPTS -XX:StringTableSize=1000003" + +# GC tuning options +JVM_OPTS="$JVM_OPTS -XX:+UseParNewGC" +JVM_OPTS="$JVM_OPTS -XX:+UseConcMarkSweepGC" +JVM_OPTS="$JVM_OPTS -XX:+CMSParallelRemarkEnabled" +JVM_OPTS="$JVM_OPTS -XX:SurvivorRatio=8" +JVM_OPTS="$JVM_OPTS -XX:MaxTenuringThreshold=1" +JVM_OPTS="$JVM_OPTS -XX:CMSInitiatingOccupancyFraction=75" +JVM_OPTS="$JVM_OPTS -XX:+UseCMSInitiatingOccupancyOnly" +JVM_OPTS="$JVM_OPTS -XX:+UseTLAB" +JVM_OPTS="$JVM_OPTS -XX:CompileCommandFile=$CASSANDRA_CONF/hotspot_compiler" +JVM_OPTS="$JVM_OPTS -XX:CMSWaitDuration=10000" + +# note: bash evals '1.7.x' as > '1.7' so this is really a >= 1.7 jvm check +#if { [ "$JVM_VERSION" \> "1.7" ] && [ "$JVM_VERSION" \< "1.8.0" ] && [ "$JVM_PATCH_VERSION" -ge "60" ]; } || [ "$JVM_VERSION" \> "1.8" ] ; then +# JVM_OPTS="$JVM_OPTS -XX:+CMSParallelInitialMarkEnabled -XX:+CMSEdenChunksRecordAlways -XX:CMSWaitDuration=10000" +#fi + +if [ "$JVM_ARCH" = "64-Bit" ] ; then + JVM_OPTS="$JVM_OPTS -XX:+UseCondCardMark" +fi + +# GC logging options -- uncomment to enable +# JVM_OPTS="$JVM_OPTS -XX:+PrintGCDetails" +# JVM_OPTS="$JVM_OPTS -XX:+PrintGCDateStamps" +# JVM_OPTS="$JVM_OPTS -XX:+PrintHeapAtGC" +# JVM_OPTS="$JVM_OPTS -XX:+PrintTenuringDistribution" +# JVM_OPTS="$JVM_OPTS -XX:+PrintGCApplicationStoppedTime" +# JVM_OPTS="$JVM_OPTS -XX:+PrintPromotionFailure" +# JVM_OPTS="$JVM_OPTS -XX:PrintFLSStatistics=1" +# JVM_OPTS="$JVM_OPTS -Xloggc:/var/log/cassandra/gc-`date +%s`.log" +# If you are using JDK 6u34 7u2 or later you can enable GC log rotation +# don't stick the date in the log name if rotation is on. +# JVM_OPTS="$JVM_OPTS -Xloggc:/var/log/cassandra/gc.log" +# JVM_OPTS="$JVM_OPTS -XX:+UseGCLogFileRotation" +# JVM_OPTS="$JVM_OPTS -XX:NumberOfGCLogFiles=10" +# JVM_OPTS="$JVM_OPTS -XX:GCLogFileSize=10M" + +# Configure the following for JEMallocAllocator and if jemalloc is not available in the system +# library path (Example: /usr/local/lib/). Usually "make install" will do the right thing. +# export LD_LIBRARY_PATH=<JEMALLOC_HOME>/lib/ +# JVM_OPTS="$JVM_OPTS -Djava.library.path=<JEMALLOC_HOME>/lib/" + +# uncomment to have Cassandra JVM listen for remote debuggers/profilers on port 1414 +# JVM_OPTS="$JVM_OPTS -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=1414" + +# uncomment to have Cassandra JVM log internal method compilation (developers only) +# JVM_OPTS="$JVM_OPTS -XX:+UnlockDiagnosticVMOptions -XX:+LogCompilation" + +# Prefer binding to IPv4 network intefaces (when net.ipv6.bindv6only=1). See +# http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6342561 (short version: +# comment out this entry to enable IPv6 support). +JVM_OPTS="$JVM_OPTS -Djava.net.preferIPv4Stack=true" + +# jmx: metrics and administration interface +# +# add this if you're having trouble connecting: +# JVM_OPTS="$JVM_OPTS -Djava.rmi.server.hostname=<public name>" +# +# see +# https://blogs.oracle.com/jmxetc/entry/troubleshooting_connection_problems_in_jconsole +# for more on configuring JMX through firewalls, etc. (Short version: +# get it working with no firewall first.) +# +# Cassandra ships with JMX accessible *only* from localhost. +# To enable remote JMX connections, uncomment lines below +# with authentication and/or ssl enabled. See https://wiki.apache.org/cassandra/JmxSecurity +# +if [ "x$LOCAL_JMX" = "x" ]; then + LOCAL_JMX=yes +fi + +if [ "$LOCAL_JMX" = "yes" ]; then + JVM_OPTS="$JVM_OPTS -Dcassandra.jmx.local.port=$JMX_PORT -XX:+DisableExplicitGC" +else + JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.port=$JMX_PORT" + JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.rmi.port=$JMX_PORT" + JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.ssl=false" + JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.authenticate=true" + JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.password.file=/etc/cassandra/jmxremote.password" +# JVM_OPTS="$JVM_OPTS -Djavax.net.ssl.keyStore=/path/to/keystore" +# JVM_OPTS="$JVM_OPTS -Djavax.net.ssl.keyStorePassword=<keystore-password>" +# JVM_OPTS="$JVM_OPTS -Djavax.net.ssl.trustStore=/path/to/truststore" +# JVM_OPTS="$JVM_OPTS -Djavax.net.ssl.trustStorePassword=<truststore-password>" +# JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.ssl.need.client.auth=true" +# JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.registry.ssl=true" +# JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.ssl.enabled.protocols=<enabled-protocols>" +# JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.ssl.enabled.cipher.suites=<enabled-cipher-suites>" +fi + +# To use mx4j, an HTML interface for JMX, add mx4j-tools.jar to the lib/ +# directory. +# See http://wiki.apache.org/cassandra/Operations#Monitoring_with_MX4J +# By default mx4j listens on 0.0.0.0:8081. Uncomment the following lines +# to control its listen address and port. +#MX4J_ADDRESS="-Dmx4jaddress=127.0.0.1" +#MX4J_PORT="-Dmx4jport=8081" + +JVM_OPTS="$JVM_OPTS $MX4J_ADDRESS" +JVM_OPTS="$JVM_OPTS $MX4J_PORT" +JVM_OPTS="$JVM_OPTS $JVM_EXTRA_OPTS" Propchange: uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra-env.sh ------------------------------------------------------------------------------ svn:executable = * Added: uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra.yaml.prep URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra.yaml.prep?rev=1711768&view=auto ============================================================================== --- uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra.yaml.prep (added) +++ uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra.yaml.prep Sun Nov 1 14:09:47 2015 @@ -0,0 +1,813 @@ +# Cassandra storage config YAML + +# +# This is prepared for configureation for DUCC via ducc_post_install +# + +# NOTE: +# See http://wiki.apache.org/cassandra/StorageConfiguration for +# full explanations of configuration directives +# /NOTE + +# The name of the cluster. This is mainly used to prevent machines in +# one logical cluster from joining another. +cluster_name: 'DUCC' + +# This defines the number of tokens randomly assigned to this node on the ring +# The more tokens, relative to other nodes, the larger the proportion of data +# that this node will store. You probably want all nodes to have the same number +# of tokens assuming they have equal hardware capability. +# +# If you leave this unspecified, Cassandra will use the default of 1 token for legacy compatibility, +# and will use the initial_token as described below. +# +# Specifying initial_token will override this setting on the node's initial start, +# on subsequent starts, this setting will apply even if initial token is set. +# +# If you already have a cluster with 1 token per node, and wish to migrate to +# multiple tokens per node, see http://wiki.apache.org/cassandra/Operations +num_tokens: 256 + +# initial_token allows you to specify tokens manually. While you can use # it with +# vnodes (num_tokens > 1, above) -- in which case you should provide a +# comma-separated list -- it's primarily used when adding nodes # to legacy clusters +# that do not have vnodes enabled. +# initial_token: + +# See http://wiki.apache.org/cassandra/HintedHandoff +# May either be "true" or "false" to enable globally, or contain a list +# of data centers to enable per-datacenter. +# hinted_handoff_enabled: DC1,DC2 +hinted_handoff_enabled: true +# this defines the maximum amount of time a dead host will have hints +# generated. After it has been dead this long, new hints for it will not be +# created until it has been seen alive and gone down again. +max_hint_window_in_ms: 10800000 # 3 hours +# Maximum throttle in KBs per second, per delivery thread. This will be +# reduced proportionally to the number of nodes in the cluster. (If there +# are two nodes in the cluster, each delivery thread will use the maximum +# rate; if there are three, each will throttle to half of the maximum, +# since we expect two nodes to be delivering hints simultaneously.) +hinted_handoff_throttle_in_kb: 1024 +# Number of threads with which to deliver hints; +# Consider increasing this number when you have multi-dc deployments, since +# cross-dc handoff tends to be slower +max_hints_delivery_threads: 2 + +# Maximum throttle in KBs per second, total. This will be +# reduced proportionally to the number of nodes in the cluster. +batchlog_replay_throttle_in_kb: 1024 + +# Authentication backend, implementing IAuthenticator; used to identify users +# Out of the box, Cassandra provides org.apache.cassandra.auth.{AllowAllAuthenticator, +# PasswordAuthenticator}. +# +# - AllowAllAuthenticator performs no checks - set it to disable authentication. +# - PasswordAuthenticator relies on username/password pairs to authenticate +# users. It keeps usernames and hashed passwords in system_auth.credentials table. +# Please increase system_auth keyspace replication factor if you use this authenticator. +authenticator: PasswordAuthenticator + +# Authorization backend, implementing IAuthorizer; used to limit access/provide permissions +# Out of the box, Cassandra provides org.apache.cassandra.auth.{AllowAllAuthorizer, +# CassandraAuthorizer}. +# +# - AllowAllAuthorizer allows any action to any user - set it to disable authorization. +# - CassandraAuthorizer stores permissions in system_auth.permissions table. Please +# increase system_auth keyspace replication factor if you use this authorizer. +authorizer: AllowAllAuthorizer + +# Validity period for permissions cache (fetching permissions can be an +# expensive operation depending on the authorizer, CassandraAuthorizer is +# one example). Defaults to 2000, set to 0 to disable. +# Will be disabled automatically for AllowAllAuthorizer. +permissions_validity_in_ms: 2000 + +# Refresh interval for permissions cache (if enabled). +# After this interval, cache entries become eligible for refresh. Upon next +# access, an async reload is scheduled and the old value returned until it +# completes. If permissions_validity_in_ms is non-zero, then this must be +# also. +# Defaults to the same value as permissions_validity_in_ms. +# permissions_update_interval_in_ms: 1000 + +# The partitioner is responsible for distributing groups of rows (by +# partition key) across nodes in the cluster. You should leave this +# alone for new clusters. The partitioner can NOT be changed without +# reloading all data, so when upgrading you should set this to the +# same partitioner you were already using. +# +# Besides Murmur3Partitioner, partitioners included for backwards +# compatibility include RandomPartitioner, ByteOrderedPartitioner, and +# OrderPreservingPartitioner. +# +partitioner: org.apache.cassandra.dht.Murmur3Partitioner + +# Directories where Cassandra should store data on disk. Cassandra +# will spread data evenly across them, subject to the granularity of +# the configured compaction strategy. +# If not set, the default directory is $CASSANDRA_HOME/data/data. +data_file_directories: + - DUCC_HOME/database/data + +# commit log. when running on magnetic HDD, this should be a +# separate spindle than the data directories. +# If not set, the default directory is $CASSANDRA_HOME/data/commitlog. +commitlog_directory: DUCC_HOME/database/commitlog + +# policy for data disk failures: +# die: shut down gossip and client transports and kill the JVM for any fs errors or +# single-sstable errors, so the node can be replaced. +# stop_paranoid: shut down gossip and client transports even for single-sstable errors, +# kill the JVM for errors during startup. +# stop: shut down gossip and client transports, leaving the node effectively dead, but +# can still be inspected via JMX, kill the JVM for errors during startup. +# best_effort: stop using the failed disk and respond to requests based on +# remaining available sstables. This means you WILL see obsolete +# data at CL.ONE! +# ignore: ignore fatal errors and let requests fail, as in pre-1.2 Cassandra +disk_failure_policy: stop + +# policy for commit disk failures: +# die: shut down gossip and Thrift and kill the JVM, so the node can be replaced. +# stop: shut down gossip and Thrift, leaving the node effectively dead, but +# can still be inspected via JMX. +# stop_commit: shutdown the commit log, letting writes collect but +# continuing to service reads, as in pre-2.0.5 Cassandra +# ignore: ignore fatal errors and let the batches fail +commit_failure_policy: stop + +# Maximum size of the key cache in memory. +# +# Each key cache hit saves 1 seek and each row cache hit saves 2 seeks at the +# minimum, sometimes more. The key cache is fairly tiny for the amount of +# time it saves, so it's worthwhile to use it at large numbers. +# The row cache saves even more time, but must contain the entire row, +# so it is extremely space-intensive. It's best to only use the +# row cache if you have hot rows or static rows. +# +# NOTE: if you reduce the size, you may not get you hottest keys loaded on startup. +# +# Default value is empty to make it "auto" (min(5% of Heap (in MB), 100MB)). Set to 0 to disable key cache. +key_cache_size_in_mb: + +# Duration in seconds after which Cassandra should +# save the key cache. Caches are saved to saved_caches_directory as +# specified in this configuration file. +# +# Saved caches greatly improve cold-start speeds, and is relatively cheap in +# terms of I/O for the key cache. Row cache saving is much more expensive and +# has limited use. +# +# Default is 14400 or 4 hours. +key_cache_save_period: 14400 + +# Number of keys from the key cache to save +# Disabled by default, meaning all keys are going to be saved +# key_cache_keys_to_save: 100 + +# Maximum size of the row cache in memory. +# NOTE: if you reduce the size, you may not get you hottest keys loaded on startup. +# +# Default value is 0, to disable row caching. +row_cache_size_in_mb: 0 + +# Duration in seconds after which Cassandra should +# save the row cache. Caches are saved to saved_caches_directory as specified +# in this configuration file. +# +# Saved caches greatly improve cold-start speeds, and is relatively cheap in +# terms of I/O for the key cache. Row cache saving is much more expensive and +# has limited use. +# +# Default is 0 to disable saving the row cache. +row_cache_save_period: 0 + +# Number of keys from the row cache to save +# Disabled by default, meaning all keys are going to be saved +# row_cache_keys_to_save: 100 + +# Maximum size of the counter cache in memory. +# +# Counter cache helps to reduce counter locks' contention for hot counter cells. +# In case of RF = 1 a counter cache hit will cause Cassandra to skip the read before +# write entirely. With RF > 1 a counter cache hit will still help to reduce the duration +# of the lock hold, helping with hot counter cell updates, but will not allow skipping +# the read entirely. Only the local (clock, count) tuple of a counter cell is kept +# in memory, not the whole counter, so it's relatively cheap. +# +# NOTE: if you reduce the size, you may not get you hottest keys loaded on startup. +# +# Default value is empty to make it "auto" (min(2.5% of Heap (in MB), 50MB)). Set to 0 to disable counter cache. +# NOTE: if you perform counter deletes and rely on low gcgs, you should disable the counter cache. +counter_cache_size_in_mb: + +# Duration in seconds after which Cassandra should +# save the counter cache (keys only). Caches are saved to saved_caches_directory as +# specified in this configuration file. +# +# Default is 7200 or 2 hours. +counter_cache_save_period: 7200 + +# Number of keys from the counter cache to save +# Disabled by default, meaning all keys are going to be saved +# counter_cache_keys_to_save: 100 + +# The off-heap memory allocator. Affects storage engine metadata as +# well as caches. Experiments show that JEMAlloc saves some memory +# than the native GCC allocator (i.e., JEMalloc is more +# fragmentation-resistant). +# +# Supported values are: NativeAllocator, JEMallocAllocator +# +# If you intend to use JEMallocAllocator you have to install JEMalloc as library and +# modify cassandra-env.sh as directed in the file. +# +# Defaults to NativeAllocator +# memory_allocator: NativeAllocator + +# saved caches +# If not set, the default directory is $CASSANDRA_HOME/data/saved_caches. +saved_caches_directory: DUCC_HOME/database/saved_caches + +# commitlog_sync may be either "periodic" or "batch." +# +# When in batch mode, Cassandra won't ack writes until the commit log +# has been fsynced to disk. It will wait +# commitlog_sync_batch_window_in_ms milliseconds between fsyncs. +# This window should be kept short because the writer threads will +# be unable to do extra work while waiting. (You may need to increase +# concurrent_writes for the same reason.) +# +# commitlog_sync: batch +# commitlog_sync_batch_window_in_ms: 2 +# +# the other option is "periodic" where writes may be acked immediately +# and the CommitLog is simply synced every commitlog_sync_period_in_ms +# milliseconds. +commitlog_sync: periodic +commitlog_sync_period_in_ms: 10000 + +# The size of the individual commitlog file segments. A commitlog +# segment may be archived, deleted, or recycled once all the data +# in it (potentially from each columnfamily in the system) has been +# flushed to sstables. +# +# The default size is 32, which is almost always fine, but if you are +# archiving commitlog segments (see commitlog_archiving.properties), +# then you probably want a finer granularity of archiving; 8 or 16 MB +# is reasonable. +commitlog_segment_size_in_mb: 32 + +# Reuse commit log files when possible. The default is false, and this +# feature will be removed entirely in future versions of Cassandra. +#commitlog_segment_recycling: false + +# any class that implements the SeedProvider interface and has a +# constructor that takes a Map<String, String> of parameters will do. +seed_provider: + # Addresses of hosts that are deemed contact points. + # Cassandra nodes use this list of hosts to find each other and learn + # the topology of the ring. You must change this if you are running + # multiple nodes! + - class_name: org.apache.cassandra.locator.SimpleSeedProvider + parameters: + # seeds is actually a comma-delimited list of addresses. + # Ex: "<ip1>,<ip2>,<ip3>" + - seeds: "DUCC_HEAD" + +# For workloads with more data than can fit in memory, Cassandra's +# bottleneck will be reads that need to fetch data from +# disk. "concurrent_reads" should be set to (16 * number_of_drives) in +# order to allow the operations to enqueue low enough in the stack +# that the OS and drives can reorder them. Same applies to +# "concurrent_counter_writes", since counter writes read the current +# values before incrementing and writing them back. +# +# On the other hand, since writes are almost never IO bound, the ideal +# number of "concurrent_writes" is dependent on the number of cores in +# your system; (8 * number_of_cores) is a good rule of thumb. +concurrent_reads: 32 +concurrent_writes: 32 +concurrent_counter_writes: 32 + +# Total memory to use for sstable-reading buffers. Defaults to +# the smaller of 1/4 of heap or 512MB. +# file_cache_size_in_mb: 512 + +# Total permitted memory to use for memtables. Cassandra will stop +# accepting writes when the limit is exceeded until a flush completes, +# and will trigger a flush based on memtable_cleanup_threshold +# If omitted, Cassandra will set both to 1/4 the size of the heap. +# memtable_heap_space_in_mb: 2048 +# memtable_offheap_space_in_mb: 2048 + +# Ratio of occupied non-flushing memtable size to total permitted size +# that will trigger a flush of the largest memtable. Lager mct will +# mean larger flushes and hence less compaction, but also less concurrent +# flush activity which can make it difficult to keep your disks fed +# under heavy write load. +# +# memtable_cleanup_threshold defaults to 1 / (memtable_flush_writers + 1) +# memtable_cleanup_threshold: 0.11 + +# Specify the way Cassandra allocates and manages memtable memory. +# Options are: +# heap_buffers: on heap nio buffers +# offheap_buffers: off heap (direct) nio buffers +# offheap_objects: native memory, eliminating nio buffer heap overhead +memtable_allocation_type: heap_buffers + +# Total space to use for commitlogs. Since commitlog segments are +# mmapped, and hence use up address space, the default size is 32 +# on 32-bit JVMs, and 8192 on 64-bit JVMs. +# +# If space gets above this value (it will round up to the next nearest +# segment multiple), Cassandra will flush every dirty CF in the oldest +# segment and remove it. So a small total commitlog space will tend +# to cause more flush activity on less-active columnfamilies. +# commitlog_total_space_in_mb: 8192 + +# This sets the amount of memtable flush writer threads. These will +# be blocked by disk io, and each one will hold a memtable in memory +# while blocked. +# +# memtable_flush_writers defaults to the smaller of (number of disks, +# number of cores), with a minimum of 2 and a maximum of 8. +# +# If your data directories are backed by SSD, you should increase this +# to the number of cores. +#memtable_flush_writers: 8 + +# A fixed memory pool size in MB for for SSTable index summaries. If left +# empty, this will default to 5% of the heap size. If the memory usage of +# all index summaries exceeds this limit, SSTables with low read rates will +# shrink their index summaries in order to meet this limit. However, this +# is a best-effort process. In extreme conditions Cassandra may need to use +# more than this amount of memory. +index_summary_capacity_in_mb: + +# How frequently index summaries should be resampled. This is done +# periodically to redistribute memory from the fixed-size pool to sstables +# proportional their recent read rates. Setting to -1 will disable this +# process, leaving existing index summaries at their current sampling level. +index_summary_resize_interval_in_minutes: 60 + +# Whether to, when doing sequential writing, fsync() at intervals in +# order to force the operating system to flush the dirty +# buffers. Enable this to avoid sudden dirty buffer flushing from +# impacting read latencies. Almost always a good idea on SSDs; not +# necessarily on platters. +trickle_fsync: false +trickle_fsync_interval_in_kb: 10240 + +# TCP port, for commands and data +# For security reasons, you should not expose this port to the internet. Firewall it if needed. +storage_port: 7000 + +# SSL port, for encrypted communication. Unused unless enabled in +# encryption_options +# For security reasons, you should not expose this port to the internet. Firewall it if needed. +ssl_storage_port: 7001 + +# Address or interface to bind to and tell other Cassandra nodes to connect to. +# You _must_ change this if you want multiple nodes to be able to communicate! +# +# Set listen_address OR listen_interface, not both. Interfaces must correspond +# to a single address, IP aliasing is not supported. +# +# Leaving it blank leaves it up to InetAddress.getLocalHost(). This +# will always do the Right Thing _if_ the node is properly configured +# (hostname, name resolution, etc), and the Right Thing is to use the +# address associated with the hostname (it might not be). +# +# Setting listen_address to 0.0.0.0 is always wrong. +# +# If you choose to specify the interface by name and the interface has an ipv4 and an ipv6 address +# you can specify which should be chosen using listen_interface_prefer_ipv6. If false the first ipv4 +# address will be used. If true the first ipv6 address will be used. Defaults to false preferring +# ipv4. If there is only one address it will be selected regardless of ipv4/ipv6. +listen_address: DUCC_HEAD +# listen_interface: eth0 +# listen_interface_prefer_ipv6: false + +# Address to broadcast to other Cassandra nodes +# Leaving this blank will set it to the same value as listen_address +# broadcast_address: 1.2.3.4 + +# Internode authentication backend, implementing IInternodeAuthenticator; +# used to allow/disallow connections from peer nodes. +# internode_authenticator: org.apache.cassandra.auth.AllowAllInternodeAuthenticator + +# Whether to start the native transport server. +# Please note that the address on which the native transport is bound is the +# same as the rpc_address. The port however is different and specified below. +start_native_transport: true +# port for the CQL native transport to listen for clients on +# For security reasons, you should not expose this port to the internet. Firewall it if needed. +native_transport_port: 9042 +# The maximum threads for handling requests when the native transport is used. +# This is similar to rpc_max_threads though the default differs slightly (and +# there is no native_transport_min_threads, idle threads will always be stopped +# after 30 seconds). +# native_transport_max_threads: 128 +# +# The maximum size of allowed frame. Frame (requests) larger than this will +# be rejected as invalid. The default is 256MB. +# native_transport_max_frame_size_in_mb: 256 + +# The maximum number of concurrent client connections. +# The default is -1, which means unlimited. +# native_transport_max_concurrent_connections: -1 + +# The maximum number of concurrent client connections per source ip. +# The default is -1, which means unlimited. +# native_transport_max_concurrent_connections_per_ip: -1 + +# Whether to start the thrift rpc server. +start_rpc: true + +# The address or interface to bind the Thrift RPC service and native transport +# server to. +# +# Set rpc_address OR rpc_interface, not both. Interfaces must correspond +# to a single address, IP aliasing is not supported. +# +# Leaving rpc_address blank has the same effect as on listen_address +# (i.e. it will be based on the configured hostname of the node). +# +# Note that unlike listen_address, you can specify 0.0.0.0, but you must also +# set broadcast_rpc_address to a value other than 0.0.0.0. +# +# For security reasons, you should not expose this port to the internet. Firewall it if needed. +# +# If you choose to specify the interface by name and the interface has an ipv4 and an ipv6 address +# you can specify which should be chosen using rpc_interface_prefer_ipv6. If false the first ipv4 +# address will be used. If true the first ipv6 address will be used. Defaults to false preferring +# ipv4. If there is only one address it will be selected regardless of ipv4/ipv6. +rpc_address: DUCC_HEAD +# rpc_interface: eth1 +# rpc_interface_prefer_ipv6: false + +# port for Thrift to listen for clients on +rpc_port: 9160 + +# RPC address to broadcast to drivers and other Cassandra nodes. This cannot +# be set to 0.0.0.0. If left blank, this will be set to the value of +# rpc_address. If rpc_address is set to 0.0.0.0, broadcast_rpc_address must +# be set. +# broadcast_rpc_address: 1.2.3.4 + +# enable or disable keepalive on rpc/native connections +rpc_keepalive: true + +# Cassandra provides two out-of-the-box options for the RPC Server: +# +# sync -> One thread per thrift connection. For a very large number of clients, memory +# will be your limiting factor. On a 64 bit JVM, 180KB is the minimum stack size +# per thread, and that will correspond to your use of virtual memory (but physical memory +# may be limited depending on use of stack space). +# +# hsha -> Stands for "half synchronous, half asynchronous." All thrift clients are handled +# asynchronously using a small number of threads that does not vary with the amount +# of thrift clients (and thus scales well to many clients). The rpc requests are still +# synchronous (one thread per active request). If hsha is selected then it is essential +# that rpc_max_threads is changed from the default value of unlimited. +# +# The default is sync because on Windows hsha is about 30% slower. On Linux, +# sync/hsha performance is about the same, with hsha of course using less memory. +# +# Alternatively, can provide your own RPC server by providing the fully-qualified class name +# of an o.a.c.t.TServerFactory that can create an instance of it. +rpc_server_type: sync + +# Uncomment rpc_min|max_thread to set request pool size limits. +# +# Regardless of your choice of RPC server (see above), the number of maximum requests in the +# RPC thread pool dictates how many concurrent requests are possible (but if you are using the sync +# RPC server, it also dictates the number of clients that can be connected at all). +# +# The default is unlimited and thus provides no protection against clients overwhelming the server. You are +# encouraged to set a maximum that makes sense for you in production, but do keep in mind that +# rpc_max_threads represents the maximum number of client requests this server may execute concurrently. +# +# rpc_min_threads: 16 +# rpc_max_threads: 2048 + +# uncomment to set socket buffer sizes on rpc connections +# rpc_send_buff_size_in_bytes: +# rpc_recv_buff_size_in_bytes: + +# Uncomment to set socket buffer size for internode communication +# Note that when setting this, the buffer size is limited by net.core.wmem_max +# and when not setting it it is defined by net.ipv4.tcp_wmem +# See: +# /proc/sys/net/core/wmem_max +# /proc/sys/net/core/rmem_max +# /proc/sys/net/ipv4/tcp_wmem +# /proc/sys/net/ipv4/tcp_wmem +# and: man tcp +# internode_send_buff_size_in_bytes: +# internode_recv_buff_size_in_bytes: + +# Frame size for thrift (maximum message length). +thrift_framed_transport_size_in_mb: 15 + +# Set to true to have Cassandra create a hard link to each sstable +# flushed or streamed locally in a backups/ subdirectory of the +# keyspace data. Removing these links is the operator's +# responsibility. +incremental_backups: false + +# Whether or not to take a snapshot before each compaction. Be +# careful using this option, since Cassandra won't clean up the +# snapshots for you. Mostly useful if you're paranoid when there +# is a data format change. +snapshot_before_compaction: false + +# Whether or not a snapshot is taken of the data before keyspace truncation +# or dropping of column families. The STRONGLY advised default of true +# should be used to provide data safety. If you set this flag to false, you will +# lose data on truncation or drop. +auto_snapshot: true + +# When executing a scan, within or across a partition, we need to keep the +# tombstones seen in memory so we can return them to the coordinator, which +# will use them to make sure other replicas also know about the deleted rows. +# With workloads that generate a lot of tombstones, this can cause performance +# problems and even exaust the server heap. +# (http://www.datastax.com/dev/blog/cassandra-anti-patterns-queues-and-queue-like-datasets) +# Adjust the thresholds here if you understand the dangers and want to +# scan more tombstones anyway. These thresholds may also be adjusted at runtime +# using the StorageService mbean. +tombstone_warn_threshold: 1000 +tombstone_failure_threshold: 100000 + +# Granularity of the collation index of rows within a partition. +# Increase if your rows are large, or if you have a very large +# number of rows per partition. The competing goals are these: +# 1) a smaller granularity means more index entries are generated +# and looking up rows withing the partition by collation column +# is faster +# 2) but, Cassandra will keep the collation index in memory for hot +# rows (as part of the key cache), so a larger granularity means +# you can cache more hot rows +column_index_size_in_kb: 64 + + +# Log WARN on any batch size exceeding this value. 5kb per batch by default. +# Caution should be taken on increasing the size of this threshold as it can lead to node instability. +batch_size_warn_threshold_in_kb: 5 + +# Number of simultaneous compactions to allow, NOT including +# validation "compactions" for anti-entropy repair. Simultaneous +# compactions can help preserve read performance in a mixed read/write +# workload, by mitigating the tendency of small sstables to accumulate +# during a single long running compactions. The default is usually +# fine and if you experience problems with compaction running too +# slowly or too fast, you should look at +# compaction_throughput_mb_per_sec first. +# +# concurrent_compactors defaults to the smaller of (number of disks, +# number of cores), with a minimum of 2 and a maximum of 8. +# +# If your data directories are backed by SSD, you should increase this +# to the number of cores. +#concurrent_compactors: 1 + +# Throttles compaction to the given total throughput across the entire +# system. The faster you insert data, the faster you need to compact in +# order to keep the sstable count down, but in general, setting this to +# 16 to 32 times the rate you are inserting data is more than sufficient. +# Setting this to 0 disables throttling. Note that this account for all types +# of compaction, including validation compaction. +compaction_throughput_mb_per_sec: 16 + +# Log a warning when compacting partitions larger than this value +compaction_large_partition_warning_threshold_mb: 100 + +# When compacting, the replacement sstable(s) can be opened before they +# are completely written, and used in place of the prior sstables for +# any range that has been written. This helps to smoothly transfer reads +# between the sstables, reducing page cache churn and keeping hot rows hot +sstable_preemptive_open_interval_in_mb: 50 + +# Throttles all outbound streaming file transfers on this node to the +# given total throughput in Mbps. This is necessary because Cassandra does +# mostly sequential IO when streaming data during bootstrap or repair, which +# can lead to saturating the network connection and degrading rpc performance. +# When unset, the default is 200 Mbps or 25 MB/s. +# stream_throughput_outbound_megabits_per_sec: 200 + +# Throttles all streaming file transfer between the datacenters, +# this setting allows users to throttle inter dc stream throughput in addition +# to throttling all network stream traffic as configured with +# stream_throughput_outbound_megabits_per_sec +# inter_dc_stream_throughput_outbound_megabits_per_sec: + +# How long the coordinator should wait for read operations to complete +read_request_timeout_in_ms: 5000 +# How long the coordinator should wait for seq or index scans to complete +range_request_timeout_in_ms: 10000 +# How long the coordinator should wait for writes to complete +write_request_timeout_in_ms: 2000 +# How long the coordinator should wait for counter writes to complete +counter_write_request_timeout_in_ms: 5000 +# How long a coordinator should continue to retry a CAS operation +# that contends with other proposals for the same row +cas_contention_timeout_in_ms: 1000 +# How long the coordinator should wait for truncates to complete +# (This can be much longer, because unless auto_snapshot is disabled +# we need to flush first so we can snapshot before removing the data.) +truncate_request_timeout_in_ms: 60000 +# The default timeout for other, miscellaneous operations +request_timeout_in_ms: 10000 + +# Enable operation timeout information exchange between nodes to accurately +# measure request timeouts. If disabled, replicas will assume that requests +# were forwarded to them instantly by the coordinator, which means that +# under overload conditions we will waste that much extra time processing +# already-timed-out requests. +# +# Warning: before enabling this property make sure to ntp is installed +# and the times are synchronized between the nodes. +cross_node_timeout: false + +# Enable socket timeout for streaming operation. +# When a timeout occurs during streaming, streaming is retried from the start +# of the current file. This _can_ involve re-streaming an important amount of +# data, so you should avoid setting the value too low. +# Default value is 3600000, which means streams timeout after an hour. +# streaming_socket_timeout_in_ms: 3600000 + +# phi value that must be reached for a host to be marked down. +# most users should never need to adjust this. +# phi_convict_threshold: 8 + +# endpoint_snitch -- Set this to a class that implements +# IEndpointSnitch. The snitch has two functions: +# - it teaches Cassandra enough about your network topology to route +# requests efficiently +# - it allows Cassandra to spread replicas around your cluster to avoid +# correlated failures. It does this by grouping machines into +# "datacenters" and "racks." Cassandra will do its best not to have +# more than one replica on the same "rack" (which may not actually +# be a physical location) +# +# IF YOU CHANGE THE SNITCH AFTER DATA IS INSERTED INTO THE CLUSTER, +# YOU MUST RUN A FULL REPAIR, SINCE THE SNITCH AFFECTS WHERE REPLICAS +# ARE PLACED. +# +# Out of the box, Cassandra provides +# - SimpleSnitch: +# Treats Strategy order as proximity. This can improve cache +# locality when disabling read repair. Only appropriate for +# single-datacenter deployments. +# - GossipingPropertyFileSnitch +# This should be your go-to snitch for production use. The rack +# and datacenter for the local node are defined in +# cassandra-rackdc.properties and propagated to other nodes via +# gossip. If cassandra-topology.properties exists, it is used as a +# fallback, allowing migration from the PropertyFileSnitch. +# - PropertyFileSnitch: +# Proximity is determined by rack and data center, which are +# explicitly configured in cassandra-topology.properties. +# - Ec2Snitch: +# Appropriate for EC2 deployments in a single Region. Loads Region +# and Availability Zone information from the EC2 API. The Region is +# treated as the datacenter, and the Availability Zone as the rack. +# Only private IPs are used, so this will not work across multiple +# Regions. +# - Ec2MultiRegionSnitch: +# Uses public IPs as broadcast_address to allow cross-region +# connectivity. (Thus, you should set seed addresses to the public +# IP as well.) You will need to open the storage_port or +# ssl_storage_port on the public IP firewall. (For intra-Region +# traffic, Cassandra will switch to the private IP after +# establishing a connection.) +# - RackInferringSnitch: +# Proximity is determined by rack and data center, which are +# assumed to correspond to the 3rd and 2nd octet of each node's IP +# address, respectively. Unless this happens to match your +# deployment conventions, this is best used as an example of +# writing a custom Snitch class and is provided in that spirit. +# +# You can use a custom Snitch by setting this to the full class name +# of the snitch, which will be assumed to be on your classpath. +endpoint_snitch: SimpleSnitch + +# controls how often to perform the more expensive part of host score +# calculation +dynamic_snitch_update_interval_in_ms: 100 +# controls how often to reset all host scores, allowing a bad host to +# possibly recover +dynamic_snitch_reset_interval_in_ms: 600000 +# if set greater than zero and read_repair_chance is < 1.0, this will allow +# 'pinning' of replicas to hosts in order to increase cache capacity. +# The badness threshold will control how much worse the pinned host has to be +# before the dynamic snitch will prefer other replicas over it. This is +# expressed as a double which represents a percentage. Thus, a value of +# 0.2 means Cassandra would continue to prefer the static snitch values +# until the pinned host was 20% worse than the fastest. +dynamic_snitch_badness_threshold: 0.1 + +# request_scheduler -- Set this to a class that implements +# RequestScheduler, which will schedule incoming client requests +# according to the specific policy. This is useful for multi-tenancy +# with a single Cassandra cluster. +# NOTE: This is specifically for requests from the client and does +# not affect inter node communication. +# org.apache.cassandra.scheduler.NoScheduler - No scheduling takes place +# org.apache.cassandra.scheduler.RoundRobinScheduler - Round robin of +# client requests to a node with a separate queue for each +# request_scheduler_id. The scheduler is further customized by +# request_scheduler_options as described below. +request_scheduler: org.apache.cassandra.scheduler.NoScheduler + +# Scheduler Options vary based on the type of scheduler +# NoScheduler - Has no options +# RoundRobin +# - throttle_limit -- The throttle_limit is the number of in-flight +# requests per client. Requests beyond +# that limit are queued up until +# running requests can complete. +# The value of 80 here is twice the number of +# concurrent_reads + concurrent_writes. +# - default_weight -- default_weight is optional and allows for +# overriding the default which is 1. +# - weights -- Weights are optional and will default to 1 or the +# overridden default_weight. The weight translates into how +# many requests are handled during each turn of the +# RoundRobin, based on the scheduler id. +# +# request_scheduler_options: +# throttle_limit: 80 +# default_weight: 5 +# weights: +# Keyspace1: 1 +# Keyspace2: 5 + +# request_scheduler_id -- An identifier based on which to perform +# the request scheduling. Currently the only valid option is keyspace. +# request_scheduler_id: keyspace + +# Enable or disable inter-node encryption +# Default settings are TLS v1, RSA 1024-bit keys (it is imperative that +# users generate their own keys) TLS_RSA_WITH_AES_128_CBC_SHA as the cipher +# suite for authentication, key exchange and encryption of the actual data transfers. +# Use the DHE/ECDHE ciphers if running in FIPS 140 compliant mode. +# NOTE: No custom encryption options are enabled at the moment +# The available internode options are : all, none, dc, rack +# +# If set to dc cassandra will encrypt the traffic between the DCs +# If set to rack cassandra will encrypt the traffic between the racks +# +# The passwords used in these options must match the passwords used when generating +# the keystore and truststore. For instructions on generating these files, see: +# http://download.oracle.com/javase/6/docs/technotes/guides/security/jsse/JSSERefGuide.html#CreateKeystore +# +server_encryption_options: + internode_encryption: none + keystore: conf/.keystore + keystore_password: cassandra + truststore: conf/.truststore + truststore_password: cassandra + # More advanced defaults below: + # protocol: TLS + # algorithm: SunX509 + # store_type: JKS + # cipher_suites: [TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA,TLS_DHE_RSA_WITH_AES_128_CBC_SHA,TLS_DHE_RSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA] + # require_client_auth: false + +# enable or disable client/server encryption. +client_encryption_options: + enabled: false + keystore: conf/.keystore + keystore_password: cassandra + # require_client_auth: false + # Set trustore and truststore_password if require_client_auth is true + # truststore: conf/.truststore + # truststore_password: cassandra + # More advanced defaults below: + # protocol: TLS + # algorithm: SunX509 + # store_type: JKS + # cipher_suites: [TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA,TLS_DHE_RSA_WITH_AES_128_CBC_SHA,TLS_DHE_RSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA] + +# internode_compression controls whether traffic between nodes is +# compressed. +# can be: all - all traffic is compressed +# dc - traffic between different datacenters is compressed +# none - nothing is compressed. +internode_compression: all + +# Enable or disable tcp_nodelay for inter-dc communication. +# Disabling it will result in larger (but fewer) network packets being sent, +# reducing overhead from the TCP protocol itself, at the cost of increasing +# latency if you block for cross-datacenter responses. +inter_dc_tcp_nodelay: false + +# GC Pauses greater than gc_warn_threshold_in_ms will be logged at WARN level +# Adjust the threshold based on your application throughput requirement +# By default, Cassandra logs GC Pauses greater than 200 ms at INFO level +# gc_warn_threshold_in_ms: 1000 Propchange: uima/sandbox/uima-ducc/trunk/src/main/resources/cassandra.yaml.prep ------------------------------------------------------------------------------ svn:executable = * Modified: uima/sandbox/uima-ducc/trunk/src/main/resources/default.ducc.properties URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/src/main/resources/default.ducc.properties?rev=1711768&r1=1711767&r2=1711768&view=diff ============================================================================== --- uima/sandbox/uima-ducc/trunk/src/main/resources/default.ducc.properties (original) +++ uima/sandbox/uima-ducc/trunk/src/main/resources/default.ducc.properties Sun Nov 1 14:09:47 2015 @@ -511,13 +511,9 @@ ducc.flow-controller.specifier=org.apach # database -# Directory where the databases and associated stuff is kept, relative to DUCC_HOME. This -# is ORIENTDB_HOME +# Directory where the databases and associated stuff is kept, relative to DUCC_HOME. ducc.database.location = database -# DB defined config file, relative to DUCC_HOME. Must be in private because it has root pw in plaintext. -ducc.database.config.file = resources.private/database.xml - ducc.database.host = --disabled-- # Name of the database with active state. Svc registry, etc. @@ -525,15 +521,15 @@ ducc.state.database.url = ${ducc.h # This class implementes the persistence interface for the services registry #ducc.service.persistence.impl = org.apache.uima.ducc.database.StateServicesDb -ducc.service.persistence.impl = org.apache.uima.ducc.common.persistence.services.StateServices +ducc.service.persistence.impl = org.apache.uima.ducc.common.persistence.services.StateServices # This class implements the persistence interface for Job, Reservation, Service, and AP instances, plus # the Orchestrator checkpoint. #ducc.job.history.impl = org.apache.uima.ducc.database.HistoryManagerDb -ducc.job.history.impl = org.apache.uima.ducc.transport.event.common.history.HistoryPersistenceManager +ducc.job.history.impl = org.apache.uima.ducc.transport.event.common.history.HistoryPersistenceManager -ducc.rm.persistence.impl = org.apache.uima.ducc.common.persistence.rm.NullRmStatePersistence #ducc.rm.persistence.impl = org.apache.uima.ducc.database.RmStatePersistence +ducc.rm.persistence.impl = org.apache.uima.ducc.common.persistence.rm.NullRmStatePersistence # end database things ------------------------------------------------------------------------------- Modified: uima/sandbox/uima-ducc/trunk/src/main/resources/log4j.xml URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/src/main/resources/log4j.xml?rev=1711768&r1=1711767&r2=1711768&view=diff ============================================================================== --- uima/sandbox/uima-ducc/trunk/src/main/resources/log4j.xml (original) +++ uima/sandbox/uima-ducc/trunk/src/main/resources/log4j.xml Sun Nov 1 14:09:47 2015 @@ -200,6 +200,10 @@ <appender-ref ref="jderr" /> </category> + <category name="com.datastax.driver.core"> + <priority value="warn"/> + </category> + <category name="org.apache.activemq"> <priority value="warn"/> </category> Added: uima/sandbox/uima-ducc/trunk/uima-ducc-database/src/main/java/org/apache/uima/ducc/database/DbAlive.java URL: http://svn.apache.org/viewvc/uima/sandbox/uima-ducc/trunk/uima-ducc-database/src/main/java/org/apache/uima/ducc/database/DbAlive.java?rev=1711768&view=auto ============================================================================== --- uima/sandbox/uima-ducc/trunk/uima-ducc-database/src/main/java/org/apache/uima/ducc/database/DbAlive.java (added) +++ uima/sandbox/uima-ducc/trunk/uima-ducc-database/src/main/java/org/apache/uima/ducc/database/DbAlive.java Sun Nov 1 14:09:47 2015 @@ -0,0 +1,166 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. +*/ + +package org.apache.uima.ducc.database; + +import java.util.Collection; + +import com.datastax.driver.core.Cluster; +import com.datastax.driver.core.Host; +import com.datastax.driver.core.KeyspaceMetadata; +import com.datastax.driver.core.Metadata; +import com.datastax.driver.core.PlainTextAuthProvider; +import com.datastax.driver.core.Session; +import com.datastax.driver.core.TableMetadata; +import com.datastax.driver.core.exceptions.AuthenticationException; +import com.datastax.driver.core.exceptions.NoHostAvailableException; + +public class DbAlive +{ + String dburl; + String adminid = null; + String adminpw = null; + + enum RC { + OK { + public String message() { return "OK"; } + public int rc() { return 0; } + }, + NOT_INITIALIZED { + public String message() { return "DB Not Initialized"; } + public int rc() { return 1; } + }, + CANT_CONNECT { + public String message() { return "DB Cannot Connect"; } + public int rc() { return 2; } + }, + NOT_AUTHORIZED { + public String message() { return "DB Not Authorized"; } + public int rc() { return 3; } + }, + UNKNOWN { + public String message() { return "DB Unknown Error"; } + public int rc() { return 4; } + }, + ; + public abstract String message(); + public abstract int rc(); + }; + + private Cluster cluster; + private Session session; + + public DbAlive(String dburl, String adminid, String adminpw) + { + this.dburl = dburl; + this.adminid = adminid; + this.adminpw = adminpw; + } + + public RC connect() + throws Exception + { + RC ret = RC.OK; + try { + PlainTextAuthProvider auth = new PlainTextAuthProvider(adminid, adminpw); + cluster = Cluster.builder() + .withAuthProvider(auth) + .addContactPoint(dburl) + .build(); + + Metadata metadata = cluster.getMetadata(); + System.out.println("Connected to cluster: " + metadata.getClusterName()); + String x = DbCreate.DUCC_KEYSPACE; + KeyspaceMetadata duccKs = metadata.getKeyspace(DbCreate.DUCC_KEYSPACE); + if ( duccKs == null ) { + System.out.println("DUCC keyspace not found."); + ret = RC.NOT_INITIALIZED; + } else { + String tables = ""; + Collection<TableMetadata> tableset = duccKs.getTables(); + for ( TableMetadata tmd : tableset ) { + tables = tables + tmd.getName() + " "; + } + System.out.println("Tables found: " + tables); + } + + for ( Host host : metadata.getAllHosts() ) { + System.out.println(String.format("Datatacenter: %s; Host: %s; Rack: %s\n", host.getDatacenter(), host.getAddress(), host.getRack())); + } + } catch ( NoHostAvailableException e ) { + // If this never clears the db is either not started, or is broken and can't talk + System.out.println("Waiting for DB to start ..."); + ret = RC.CANT_CONNECT; + } catch ( AuthenticationException e ) { + // If this never clears the db is not correctly configured + System.out.println("Waiting for authentication ..."); + ret = RC.NOT_AUTHORIZED; + } catch ( Exception e ) { + e.printStackTrace(); + ret = RC.UNKNOWN; + } finally { + if ( cluster != null ) cluster.close(); + } + return ret; + } + + public void close() { + cluster.close(); + } + + public Session getSession() + { + return this.session; + } + + static void usage() + { + System.out.println("Usage: DbAlive database_url id pw"); + System.exit(1); + } + + public static void main(String[] args) + { + if ( args.length != 3 ) { + usage(); + } + + int max = 10; // we'll wait up to 60 seconds: 20 x 3 seconds + DbAlive client = null; + RC rc = RC.OK; + try { + client = new DbAlive(args[0], args[1], args[2]); + for ( int i = 0; i < max; i++ ) { + rc = client.connect(); + System.out.println(rc.message()); + if ( rc == RC.OK) { + break; + } else { + try { Thread.sleep(3000); } catch ( Exception e ) {} + } + } + } catch ( Throwable e ) { + System.out.println("Errors contacting database"); + e.printStackTrace(); + System.exit(rc.rc()); + } + System.exit(rc.rc()); + } + +}