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https://issues.apache.org/jira/browse/CASSANDRA-10764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15046458#comment-15046458
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Michael Shuler commented on CASSANDRA-10764:
--------------------------------------------
+1
{noformat}
INFO 06:41:19 CMS Old Gen Heap memory: init = 3718250496(3631104K) used =
0(0K) committed = 3718250496(3631104K) max = 3718250496(3631104K)
INFO 06:41:19 Classpath:
/home/mshuler/git/cassandra/bin/../conf:/home/mshuler/git/cassandra/bin/../build/classes/main:/home/mshuler/git/cassandra/bin/../build/classes/thrift:/home/mshuler/git/cassandra/bin/../lib/ST4-4.0.8.jar:/home/mshuler/git/cassandra/bin/../lib/airline-0.6.jar:/home/mshuler/git/cassandra/bin/../lib/antlr-runtime-3.5.2.jar:/home/mshuler/git/cassandra/bin/../lib/commons-cli-1.1.jar:/home/mshuler/git/cassandra/bin/../lib/commons-codec-1.2.jar:/home/mshuler/git/cassandra/bin/../lib/commons-lang3-3.1.jar:/home/mshuler/git/cassandra/bin/../lib/commons-math3-3.2.jar:/home/mshuler/git/cassandra/bin/../lib/compress-lzf-0.8.4.jar:/home/mshuler/git/cassandra/bin/../lib/concurrentlinkedhashmap-lru-1.4.jar:/home/mshuler/git/cassandra/bin/../lib/disruptor-3.0.1.jar:/home/mshuler/git/cassandra/bin/../lib/guava-16.0.jar:/home/mshuler/git/cassandra/bin/../lib/high-scale-lib-1.0.6.jar:/home/mshuler/git/cassandra/bin/../lib/jackson-core-asl-1.9.2.jar:/home/mshuler/git/cassandra/bin/../lib/jackson-mapper-asl-1.9.2.jar:/home/mshuler/git/cassandra/bin/../lib/jamm-0.3.0.jar:/home/mshuler/git/cassandra/bin/../lib/javax.inject.jar:/home/mshuler/git/cassandra/bin/../lib/jbcrypt-0.3m.jar:/home/mshuler/git/cassandra/bin/../lib/jline-1.0.jar:/home/mshuler/git/cassandra/bin/../lib/jna-4.0.0.jar:/home/mshuler/git/cassandra/bin/../lib/json-simple-1.1.jar:/home/mshuler/git/cassandra/bin/../lib/libthrift-0.9.2.jar:/home/mshuler/git/cassandra/bin/../lib/logback-classic-1.1.2.jar:/home/mshuler/git/cassandra/bin/../lib/logback-core-1.1.2.jar:/home/mshuler/git/cassandra/bin/../lib/lz4-1.2.0.jar:/home/mshuler/git/cassandra/bin/../lib/metrics-core-2.2.0.jar:/home/mshuler/git/cassandra/bin/../lib/netty-all-4.0.23.Final.jar:/home/mshuler/git/cassandra/bin/../lib/reporter-config-2.1.0.jar:/home/mshuler/git/cassandra/bin/../lib/slf4j-api-1.7.2.jar:/home/mshuler/git/cassandra/bin/../lib/snakeyaml-1.11.jar:/home/mshuler/git/cassandra/bin/../lib/snappy-java-1.0.5.2.jar:/home/mshuler/git/cassandra/bin/../lib/stream-2.5.2.jar:/home/mshuler/git/cassandra/bin/../lib/super-csv-2.1.0.jar:/home/mshuler/git/cassandra/bin/../lib/thrift-server-0.3.7.jar:/home/mshuler/git/cassandra/bin/../lib/jamm-0.3.0.jar
INFO 06:41:19 JVM Arguments: [-ea,
-javaagent:/home/mshuler/git/cassandra/bin/../lib/jamm-0.3.0.jar,
-XX:+CMSClassUnloadingEnabled, -XX:+UseThreadPriorities,
-XX:ThreadPriorityPolicy=42, -Xms3946M, -Xmx3946M, -Xmn400M,
-XX:+HeapDumpOnOutOfMemoryError, -Xss256k, -XX:StringTableSize=1000003,
-XX:+UseParNewGC, -XX:+UseConcMarkSweepGC, -XX:+CMSParallelRemarkEnabled,
-XX:SurvivorRatio=8, -XX:MaxTenuringThreshold=1,
-XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly,
-XX:+UseTLAB,
-XX:CompileCommandFile=/home/mshuler/git/cassandra/bin/../conf/hotspot_compiler,
-XX:CMSWaitDuration=10000, -XX:+CMSParallelInitialMarkEnabled,
-XX:+CMSEdenChunksRecordAlways, -XX:CMSWaitDuration=10000,
-XX:+UseCondCardMark, -Djava.net.preferIPv4Stack=true,
-Dcassandra.jmx.local.port=7199, -XX:+DisableExplicitGC,
-Dlogback.configurationFile=logback.xml,
-Dcassandra.logdir=/home/mshuler/git/cassandra/bin/../logs,
-Dcassandra.storagedir=/home/mshuler/git/cassandra/bin/../data,
-Dcassandra-foreground=yes]
INFO 06:41:20 JNA mlockall successful
{noformat}
> Cassandra Daemon should print JVM arguments
> -------------------------------------------
>
> Key: CASSANDRA-10764
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10764
> Project: Cassandra
> Issue Type: Improvement
> Environment: PROD
> Reporter: Anubhav Kale
> Assignee: Robert Stupp
> Priority: Minor
> Fix For: 2.1.x
>
> Attachments: 10764.patch
>
>
> While debugging, its useful to check if Cassandra indeed is picking up the
> JVM args supplied to it. Therefore, we should print those on startup.
> Patch is attached, and straightforward.
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