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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2020/01/27 03:51:31 UTC
[GitHub] [incubator-doris] 10wang commented on issue #2804: [JDK] Support
OpenJDK
10wang commented on issue #2804: [JDK] Support OpenJDK
URL: https://github.com/apache/incubator-doris/pull/2804#issuecomment-578582764
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At 2020-01-20 09:33:25, "yangzhg" <no...@github.com> wrote:
@yangzhg commented on this pull request.
In conf/fe.conf:
> @@ -25,7 +25,10 @@
LOG_DIR = ${DORIS_HOME}/log
DATE = `date +%Y%m%d-%H%M%S`
-JAVA_OPTS="-Xmx4096m -XX:+UseMembar -XX:SurvivorRatio=8 -XX:MaxTenuringThreshold=7 -XX:+PrintGCDateStamps -XX:+PrintGCDetails -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+UseCMSCompactAtFullCollection -XX:CMSFullGCsBeforeCompaction=0 -XX:+CMSClassUnloadingEnabled -XX:-CMSParallelRemarkEnabled -XX:CMSInitiatingOccupancyFraction=80 -XX:SoftRefLRUPolicyMSPerMB=0 -Xloggc:$DORIS_HOME/log/fe.gc.log.$DATE"
+JAVA_OPTS="-Xmx4096m -XX:+UseMembar -XX:SurvivorRatio=8 -XX:MaxTenuringThreshold=7 -XX:+PrintGCDateStamps -XX:+PrintGCDetails -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSClassUnloadingEnabled -XX:-CMSParallelRemarkEnabled -XX:CMSInitiatingOccupancyFraction=80 -XX:SoftRefLRUPolicyMSPerMB=0 -Xloggc:$DORIS_HOME/log/fe.gc.log.$DATE"
+
+# For jdk 9+, you may need to use thgis JAVA_OPTS
+# JAVA_OPTS="-Xmx4096m -XX:SurvivorRatio=8 -XX:MaxTenuringThreshold=7 -XX:+CMSClassUnloadingEnabled -XX:-CMSParallelRemarkEnabled -XX:CMSInitiatingOccupancyFraction=80 -XX:SoftRefLRUPolicyMSPerMB=0 -Xlog:gc*:$DORIS_HOME/log/fe.gc.log.$DATE:time"
If JAVA_OPTS is different between jdks, can we check the java version and chose the right JAVA_OPTS in start_fe.sh
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