[
https://issues.apache.org/jira/browse/HBASE-9152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13735200#comment-13735200
]
Lars Hofhansl commented on HBASE-9152:
--------------------------------------
We've been bitten by that, didn't think to change it then.
Either way it fine with me as long as can tell from the command line that the
heck that process is.
> Not able to find HMaster and HRegionServer processes with grep by process
> name on ps result because of large classpath as argument.
> -----------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-9152
> URL: https://issues.apache.org/jira/browse/HBASE-9152
> Project: HBase
> Issue Type: Bug
> Components: scripts
> Reporter: rajeshbabu
> Assignee: rajeshbabu
> Priority: Critical
> Fix For: 0.98.0, 0.95.2, 0.94.12
>
> Attachments: HBASE-9152_94.patch, HBASE-9152_trunk.patch
>
>
> Here no class name of HMaster because cmdline file holds 4kb(depends on os).
> So grep on ps output is not giving hbase process details.
> {code}
> HOST-10-18-91-14:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin # cat
> /proc/16885/cmdline
> /opt/jdk1.6.0_31/bin/java-Dproc_master-XX:OnOutOfMemoryError=kill -9
> %p-Xmx1000m-XX:+UseConcMarkSweepGC-Dhbase.log.dir=/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../logs-Dhbase.log.file=hbase-root-master-HOST-10-18-91-14.log-Dhbase.home.dir=/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/..-Dhbase.id.str=root-Dhbase.root.logger=INFO,RFA-Dhbase.security.logger=INFO,RFAS-classpath/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../conf:/opt/jdk1.6.0_31/lib/tools.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/..:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/activation-1.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/asm-3.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-beanutils-1.7.0.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-beanutils-core-1.8.0.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-cli-1.2.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-codec-1.7.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-collections-3.2.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-configuration-1.6.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-digester-1.8.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-el-1.0.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-httpclient-3.0.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-io-2.4.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-lang-2.6.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-logging-1.1.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-math-2.2.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/commons-net-1.4.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/core-3.1.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/findbugs-annotations-1.3.9-1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/guava-12.0.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hadoop-core-1.1.2.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-client-0.97.0-SNAPSHOT.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-common-0.97.0-SNAPSHOT-tests.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-common-0.97.0-SNAPSHOT.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-examples-0.97.0-SNAPSHOT.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-hadoop-compat-0.97.0-SNAPSHOT.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-hadoop1-compat-0.97.0-SNAPSHOT.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-it-0.97.0-SNAPSHOT-tests.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-it-0.97.0-SNAPSHOT.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-prefix-tree-0.97.0-SNAPSHOT.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-protocol-0.97.0-SNAPSHOT.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-server-0.97.0-SNAPSHOT-tests.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/hbase-server-0.97.0-SNAPSHOT.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/high-scale-lib-1.1.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/htrace-1.50.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/httpclient-4.1.3.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/httpcore-4.1.3.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jackson-core-asl-1.8.8.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jackson-jaxrs-1.8.8.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jackson-mapper-asl-1.8.8.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jackson-xc-1.8.8.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jamon-runtime-2.3.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jasper-compiler-5.5.23.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jasper-runtime-5.5.23.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jaxb-api-2.1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jaxb-impl-2.2.3-1.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jersey-core-1.8.jar:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../lib/jersey-json-1.8.jar
> {code}
> Output of grep on ps result :
> =============================
> {code}
> HOST-10-18-91-14:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin # ps ux | grep
> HMaster
> root 17342 0.0 0.0 10640 884 pts/1 R+ 23:19 0:00 grep HMaster
> {code}
> We can export classpath before exec hbase process.
> {code}
> export CLASSPATH=$CLASSPATH
> if [ "${HBASE_NOEXEC}" != "" ]; then
> "$JAVA" -Dproc_$COMMAND -XX:OnOutOfMemoryError="kill -9 %p" $JAVA_HEAP_MAX
> $HBASE_OPTS $CLASS "$@"
> else
> exec "$JAVA" -Dproc_$COMMAND -XX:OnOutOfMemoryError="kill -9 %p"
> $JAVA_HEAP_MAX $HBASE_OPTS $CLASS "$@"
> fi
> {code}
> Here is the output after exporting classpath.
> {code}
> HOST-10-18-91-14:/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin # ps ux | grep
> HMaster
> root 20481 21.2 3.0 1443992 112268 pts/1 Sl 00:04 0:05
> /opt/jdk1.6.0_31/bin/java -Dproc_master -XX:OnOutOfMemoryError=kill -9 %p
> -Xmx1000m -XX:+UseConcMarkSweepGC
> -Dhbase.log.dir=/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/../logs
> -Dhbase.log.file=hbase-root-master-HOST-10-18-91-14.log
> -Dhbase.home.dir=/home/rajeshbabu/hbase-0.97.0-SNAPSHOT/bin/..
> -Dhbase.id.str=root -Dhbase.root.logger=INFO,RFA
> -Dhbase.security.logger=INFO,RFAS org.apache.hadoop.hbase.master.HMaster start
> root 20814 0.0 0.0 10640 876 pts/1 S+ 00:04 0:00 grep HMaster
> {code}
> This will help to find hbase processes dynamically by process name
> (HMaster,HRegionServer). Needed in our use case.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
