Hey, Arthur: Could you show me the error message for rm2. please ?
Thanks Xuan Gong On Mon, Aug 11, 2014 at 10:17 PM, arthur.hk.c...@gmail.com < arthur.hk.c...@gmail.com> wrote: > Hi, > > Thank y very much! > > At the moment if I run ./sbin/start-yarn.sh in rm1, the standby STANDBY > ResourceManager > in rm2 is not started accordingly. Please advise what would be wrong? > Thanks > > Regards > Arthur > > > > > On 12 Aug, 2014, at 1:13 pm, Xuan Gong <xg...@hortonworks.com> wrote: > > Some questions: > Q1) I need start yarn in EACH master separately, is this normal? Is there > a way that I just run ./sbin/start-yarn.sh in rm1 and get the > STANDBY ResourceManager in rm2 started as well? > > No, need to start multiple RMs separately. > > Q2) How to get alerts (e.g. by email) if the ACTIVE ResourceManager is > down in an auto-failover env? or how do you monitor the status of > ACTIVE/STANDBY ResourceManager? > > Interesting question. But one of the design for auto-failover is that the > down-time of RM is invisible to end users. The end users can submit > applications normally even if the failover happens. > > We can monitor the status of RMs by using the command-line (you did > previously) or from webUI/webService > (rm_address:portnumber/cluster/cluster). We can get the current status from > there. > > Thanks > > Xuan Gong > > > On Mon, Aug 11, 2014 at 5:12 PM, arthur.hk.c...@gmail.com < > arthur.hk.c...@gmail.com> wrote: > >> Hi, >> >> it is a multiple-node cluster, two master nodes (rm1 and rm2), below is >> my yarn-site.xml. >> >> At the moment, the ResourceManager HA works if: >> >> 1) at rm1, run ./sbin/start-yarn.sh >> >> yarn rmadmin -getServiceState rm1 >> active >> >> yarn rmadmin -getServiceState rm2 >> 14/08/12 07:47:59 INFO ipc.Client: Retrying connect to server: rm1/ >> 192.168.1.1:23142. Already tried 0 time(s); retry policy is >> RetryUpToMaximumCountWithFixedSleep(maxRetries=1, sleepTime=1000 >> MILLISECONDS) >> Operation failed: Call From rm2/192.168.1.2 to rm2:23142 failed on >> connection exception: java.net.ConnectException: Connection refused; For >> more details see: http://wiki.apache.org/hadoop/ConnectionRefused >> >> >> 2) at rm2, run ./sbin/start-yarn.sh >> >> yarn rmadmin -getServiceState rm1 >> standby >> >> >> Some questions: >> Q1) I need start yarn in EACH master separately, is this normal? Is >> there a way that I just run ./sbin/start-yarn.sh in rm1 and get the >> STANDBY ResourceManager in rm2 started as well? >> >> Q2) How to get alerts (e.g. by email) if the ACTIVE ResourceManager is >> down in an auto-failover env? or how do you monitor the status of >> ACTIVE/STANDBY ResourceManager? >> >> >> Regards >> Arthur >> >> >> <?xml version="1.0"?> >> <configuration> >> >> <!-- Site specific YARN configuration properties --> >> >> <property> >> <name>yarn.nodemanager.aux-services</name> >> <value>mapreduce_shuffle</value> >> </property> >> >> <property> >> <name>yarn.resourcemanager.address</name> >> <value>192.168.1.1:8032</value> >> </property> >> >> <property> >> <name>yarn.resourcemanager.resource-tracker.address</name> >> <value>192.168.1.1:8031</value> >> </property> >> >> <property> >> <name>yarn.resourcemanager.admin.address</name> >> <value>192.168.1.1:8033</value> >> </property> >> >> <property> >> <name>yarn.resourcemanager.scheduler.address</name> >> <value>192.168.1.1:8030</value> >> </property> >> >> <property> >> <name>yarn.nodemanager.loacl-dirs</name> >> <value>/edh/hadoop_data/mapred/nodemanager</value> >> <final>true</final> >> </property> >> >> <property> >> <name>yarn.web-proxy.address</name> >> <value>192.168.1.1:8888</value> >> </property> >> >> <property> >> <name>yarn.nodemanager.aux-services.mapreduce.shuffle.class</name> >> <value>org.apache.hadoop.mapred.ShuffleHandler</value> >> </property> >> >> >> >> >> <property> >> <name>yarn.nodemanager.resource.memory-mb</name> >> <value>18432</value> >> </property> >> >> <property> >> <name>yarn.scheduler.minimum-allocation-mb</name> >> <value>9216</value> >> </property> >> >> <property> >> <name>yarn.scheduler.maximum-allocation-mb</name> >> <value>18432</value> >> </property> >> >> >> >> <property> >> <name>yarn.resourcemanager.connect.retry-interval.ms</name> >> <value>2000</value> >> </property> >> <property> >> <name>yarn.resourcemanager.ha.enabled</name> >> <value>true</value> >> </property> >> <property> >> <name>yarn.resourcemanager.ha.automatic-failover.enabled</name> >> <value>true</value> >> </property> >> <property> >> <name>yarn.resourcemanager.ha.automatic-failover.embedded</name> >> <value>true</value> >> </property> >> <property> >> <name>yarn.resourcemanager.cluster-id</name> >> <value>cluster_rm</value> >> </property> >> <property> >> <name>yarn.resourcemanager.ha.rm-ids</name> >> <value>rm1,rm2</value> >> </property> >> <property> >> <name>yarn.resourcemanager.hostname.rm1</name> >> <value>192.168.1.1</value> >> </property> >> <property> >> <name>yarn.resourcemanager.hostname.rm2</name> >> <value>192.168.1.2</value> >> </property> >> <property> >> <name>yarn.resourcemanager.scheduler.class</name> >> >> <value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler</value> >> </property> >> <property> >> <name>yarn.resourcemanager.recovery.enabled</name> >> <value>true</value> >> </property> >> <property> >> <name>yarn.resourcemanager.store.class</name> >> >> <value>org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore</value> >> </property> >> <property> >> <name>yarn.resourcemanager.zk-address</name> >> <value>rm1:2181,m135:2181,m137:2181</value> >> </property> >> <property> >> >> <name>yarn.app.mapreduce.am.scheduler.connection.wait.interval-ms</name> >> <value>5000</value> >> </property> >> >> <!-- RM1 configs --> >> <property> >> <name>yarn.resourcemanager.address.rm1</name> >> <value>192.168.1.1:23140</value> >> </property> >> <property> >> <name>yarn.resourcemanager.scheduler.address.rm1</name> >> <value>192.168.1.1:23130</value> >> </property> >> <property> >> <name>yarn.resourcemanager.webapp.https.address.rm1</name> >> <value>192.168.1.1:23189</value> >> </property> >> <property> >> <name>yarn.resourcemanager.webapp.address.rm1</name> >> <value>192.168.1.1:23188</value> >> </property> >> <property> >> <name>yarn.resourcemanager.resource-tracker.address.rm1</name> >> <value>192.168.1.1:23125</value> >> </property> >> <property> >> <name>yarn.resourcemanager.admin.address.rm1</name> >> <value>192.168.1.1:23142</value> >> </property> >> >> >> <!-- RM2 configs --> >> <property> >> <name>yarn.resourcemanager.address.rm2</name> >> <value>192.168.1.2:23140</value> >> </property> >> <property> >> <name>yarn.resourcemanager.scheduler.address.rm2</name> >> <value>192.168.1.2:23130</value> >> </property> >> <property> >> <name>yarn.resourcemanager.webapp.https.address.rm2</name> >> <value>192.168.1.2:23189</value> >> </property> >> <property> >> <name>yarn.resourcemanager.webapp.address.rm2</name> >> <value>192.168.1.2:23188</value> >> </property> >> <property> >> <name>yarn.resourcemanager.resource-tracker.address.rm2</name> >> <value>192.168.1.2:23125</value> >> </property> >> <property> >> <name>yarn.resourcemanager.admin.address.rm2</name> >> <value>192.168.1.2:23142</value> >> </property> >> >> <property> >> <name>yarn.nodemanager.remote-app-log-dir</name> >> <value>/edh/hadoop_logs/hadoop/</value> >> </property> >> >> </configuration> >> >> >> >> On 12 Aug, 2014, at 1:49 am, Xuan Gong <xg...@hortonworks.com> wrote: >> >> Hey, Arthur: >> >> Did you use single node cluster or multiple nodes cluster? Could you >> share your configuration file (yarn-site.xml) ? This looks like a >> configuration issue. >> >> Thanks >> >> Xuan Gong >> >> >> On Mon, Aug 11, 2014 at 9:45 AM, arthur.hk.c...@gmail.com < >> arthur.hk.c...@gmail.com> wrote: >> >>> Hi, >>> >>> If I have TWO nodes for ResourceManager HA, what should be the correct >>> steps and commands to start and stop ResourceManager in a ResourceManager >>> HA cluster ? >>> Unlike ./sbin/start-dfs.sh (which can start all NNs from a NN), it >>> seems that ./sbin/start-yarn.sh can only start YARN in a node at a >>> time. >>> >>> Regards >>> Arthur >>> >>> >>> >> > > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity > to which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. 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