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Posted to dev@kylin.apache.org by MrWell <hu...@foxmail.com> on 2019/11/22 07:00:07 UTC

metastore clean OutOfMemoryError

Hi, Kylin Team.

When I execute "bin/metastore.sh clean --delete true" , I get a "OutOfMemoryError" like this



java.lang.OutOfMemoryError: Java heap space
Dumping heap to java_pid4839.hprof ...
Heap dump file created [317991670&nbsp;bytes in 2.120 secs]
#
# java.lang.OutOfMemoryError: Java heap space
# -XX:OnOutOfMemoryError="kill -9 %p"
#&nbsp; &nbsp;Executing /bin/sh -c "kill -9 4839"...
bin/metastore.sh: line 109:&nbsp; 4839 Killed&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ${KYLIN_HOME}/bin/kylin.sh org.apache.kylin.tool.MetadataCleanupJob "${@:2}"





I have set 'setenv.sh' file, like this


export KYLIN_JVM_SETTINGS="-Xms16g -Xmx16g -XX:MaxPermSize=512m -XX:NewSize=3g -XX:MaxNewSize=3g -XX:SurvivorRatio=4 -XX:+CMSClassUnloadingEnabled -XX:+CMSParallelRemarkEnabled -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:CMSInitiatingOccupancyFraction=70 -XX:+UseCMSInitiatingOccupancyOnly -XX:+DisableExplicitGC -XX:+HeapDumpOnOutOfMemoryError -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:$KYLIN_HOME/logs/kylin.gc.$$ -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=64M"


Dose it means heap memory is still small?

Re: metastore clean OutOfMemoryError

Posted by Xiaoxiang Yu <xi...@kyligence.io>.
You should a log like hs_err_pid19438.log, could you please show the content to us?

----------------
Best wishes,
Xiaoxiang Yu 
 

在 2019/11/22 15:00，“MrWell”<hu...@foxmail.com> 写入:

    Hi, Kylin Team.
    
    When I execute "bin/metastore.sh clean --delete true" , I get a "OutOfMemoryError" like this
    
    
    
    java.lang.OutOfMemoryError: Java heap space
    Dumping heap to java_pid4839.hprof ...
    Heap dump file created [317991670&nbsp;bytes in 2.120 secs]
    #
    # java.lang.OutOfMemoryError: Java heap space
    # -XX:OnOutOfMemoryError="kill -9 %p"
    #&nbsp; &nbsp;Executing /bin/sh -c "kill -9 4839"...
    bin/metastore.sh: line 109:&nbsp; 4839 Killed&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ${KYLIN_HOME}/bin/kylin.sh org.apache.kylin.tool.MetadataCleanupJob "${@:2}"
    
    
    
    
    
    I have set 'setenv.sh' file, like this
    
    
    export KYLIN_JVM_SETTINGS="-Xms16g -Xmx16g -XX:MaxPermSize=512m -XX:NewSize=3g -XX:MaxNewSize=3g -XX:SurvivorRatio=4 -XX:+CMSClassUnloadingEnabled -XX:+CMSParallelRemarkEnabled -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:CMSInitiatingOccupancyFraction=70 -XX:+UseCMSInitiatingOccupancyOnly -XX:+DisableExplicitGC -XX:+HeapDumpOnOutOfMemoryError -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:$KYLIN_HOME/logs/kylin.gc.$$ -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=64M"
    
    
    Dose it means heap memory is still small?