Have you restarted Cassandra after making changes in cassandra-env.sh? Yabin
On Mon, Oct 3, 2016 at 7:44 AM, Jean Carlo <jean.jeancar...@gmail.com> wrote: > OK I got the response to one of my questions. In the script > /etc/init.d/cassandra we set the path for the heap dump by default in the > cassandra_home. > > Now the thing I don't understand is, why do the dumps are located by the > file set by /etc/init.d/cassandra and not by the conf file > cassandra-env.sh? > > Anyone any idea? > > > Saludos > > Jean Carlo > > "The best way to predict the future is to invent it" Alan Kay > > On Mon, Oct 3, 2016 at 12:00 PM, Jean Carlo <jean.jeancar...@gmail.com> > wrote: > >> >> Hi >> >> I see in the log of my node cassandra that the parameter -XX:HeapDumpPath >> is charged two times. >> >> INFO [main] 2016-10-03 04:21:29,941 CassandraDaemon.java:205 - JVM >> Arguments: [-ea, -javaagent:/usr/share/cassandra/lib/jamm-0.3.0.jar, >> -XX:+CMSClassUnloadingEnabled, -XX:+UseThreadPriorities, >> -XX:ThreadPriorityPolicy=42, -Xms6G, -Xmx6G, -Xmn600M, >> *-XX:+HeapDumpOnOutOfMemoryError, >> -XX:HeapDumpPath=/cassandra/dumps/cassandra-1475461287-pid34435.hprof*, >> -Xss256k, -XX:StringTableSize=1000003, -XX:+UseParNewGC, >> -XX:+UseConcMarkSweepGC, -XX:+CMSParallelRemarkEnabled, >> -XX:SurvivorRatio=8, -XX:MaxTenuringThreshold=1, >> -XX:CMSInitiatingOccupancyFraction=30, -XX:+UseCMSInitiatingOccupancyOnly, >> -XX:+UseTLAB, -XX:CompileCommandFile=/etc/cassandra/hotspot_compiler, >> -XX:CMSWaitDuration=10000, -XX:+CMSParallelInitialMarkEnabled, >> -XX:+CMSEdenChunksRecordAlways, -XX:CMSWaitDuration=10000, >> -XX:+UseCondCardMark, -XX:+PrintGCDetails, -XX:+PrintGCDateStamps, >> -XX:+PrintGCApplicationStoppedTime, >> -Xloggc:/var/opt/hosting/log/cassandra/gc.log, >> -XX:+UseGCLogFileRotation, -XX:NumberOfGCLogFiles=20, >> -XX:GCLogFileSize=20M, -Djava.net.preferIPv4Stack=true, >> -Dcom.sun.management.jmxremote.port=7199, >> -Dcom.sun.management.jmxremote.rmi.port=7199, >> -Dcom.sun.management.jmxremote.ssl=false, >> -Dcom.sun.management.jmxremote.authenticate=false, >> -Dcom.sun.management.jmxremote.password.file=/etc/cassandra/jmxremote.password, >> -Djava.io.tmpdir=/var/opt/hosting/db/cassandra/tmp, >> -javaagent:/usr/share/cassandra/lib/jolokia-jvm-1.0.6-agent.jar=port=8778,host=0.0.0.0, >> -Dcassandra.auth_bcrypt_gensalt_log2_rounds=4, >> -Dlogback.configurationFile=logback.xml, >> -Dcassandra.logdir=/var/log/cassandra, >> -Dcassandra.storagedir=, >> -Dcassandra-pidfile=/var/run/cassandra/cassandra.pid, >> *-XX:HeapDumpPath=/var/lib/cassandra/java_1475461286.hprof*, >> -XX:ErrorFile=/var/lib/cassandra/hs_err_1475461286.log] >> >> This option is defined in cassandra-env.sh >> >> if [ "x$CASSANDRA_HEAPDUMP_DIR" != "x" ]; then >> JVM_OPTS="$JVM_OPTS >> -XX:HeapDumpPath=$CASSANDRA_HEAPDUMP_DIR/cassandra-`date >> +%s`-pid$$.hprof" >> fi >> and we defined before the value of CASSANDRA_HEAPDUMP_DIR before to >> >> >> */cassandra/dumps/* >> It is seems that cassandra does not care about the conf in >> cassandra-env.sh and he only takes in account the last set for HeapDumpPath >> >> */var/lib/cassandra/java_1475461286.hprof* >> This causes problems when we have to dump the heap because cassandra uses >> the disk not suitable to do it. >> >> Is *XX:HeapDumpPath *set in another place/file that I dont know? >> >> Thxs >> >> Jean Carlo >> >> "The best way to predict the future is to invent it" Alan Kay >> > >
