[ https://issues.apache.org/jira/browse/CASSANDRA-16153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thomas Steinmaurer updated CASSANDRA-16153: ------------------------------------------- Attachment: system.log.2020-10-01.0.zip > Cassandra 4b2 - JVM options from *.options not read/set > ------------------------------------------------------- > > Key: CASSANDRA-16153 > URL: https://issues.apache.org/jira/browse/CASSANDRA-16153 > Project: Cassandra > Issue Type: Bug > Components: Local/Scripts > Reporter: Thomas Steinmaurer > Priority: Normal > Attachments: system.log.2020-10-01.0.zip > > > Trying out Cassandra 4 beta 2 with Java 8 (AdoptOpenJDK) in AWS. > {noformat} > NAME="Amazon Linux AMI" > VERSION="2018.03" > ID="amzn" > ID_LIKE="rhel fedora" > VERSION_ID="2018.03" > PRETTY_NAME="Amazon Linux AMI 2018.03" > ANSI_COLOR="0;33" > CPE_NAME="cpe:/o:amazon:linux:2018.03:ga" > HOME_URL="http://aws.amazon.com/amazon-linux-ami/" > {noformat} > It seems the Cassandra JVM results in using Parallel GC. > {noformat} > INFO [Service Thread] 2020-10-01 00:00:56,233 GCInspector.java:299 - PS > Scavenge GC in 541ms. PS Old Gen: 5152844776 -> 5726724752; > WARN [Service Thread] 2020-10-01 00:00:56,234 GCInspector.java:297 - PS > MarkSweep GC in 1969ms. PS Eden Space: 2111307776 -> 0; PS Old Gen: > 5726724752 -> 2581334376; PS Survivor Space: 363850224 -> 0 > {noformat} > Although {{jvm8-server.options}} is using CMS. > {noformat} > ################# > # GC SETTINGS # > ################# > ### CMS Settings > -XX:+UseParNewGC > -XX:+UseConcMarkSweepGC > -XX:+CMSParallelRemarkEnabled > -XX:SurvivorRatio=8 > -XX:MaxTenuringThreshold=1 > -XX:CMSInitiatingOccupancyFraction=75 > -XX:+UseCMSInitiatingOccupancyOnly > -XX:CMSWaitDuration=10000 > -XX:+CMSParallelInitialMarkEnabled > -XX:+CMSEdenChunksRecordAlways > ## some JVMs will fill up their heap when accessed via JMX, see CASSANDRA-6541 > -XX:+CMSClassUnloadingEnabled > ... > {noformat} > In Cassandra 3, default has been CMS. > So, possibly there is something wrong in reading/processing > {{jvm8-server.options}}? -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org