On 11/2/2018 3:23 PM, Shawn Heisey wrote:
I will attempt to reproduce on another Linux machine. Does this seem
like a bug?
The problem is not reproducing on another Linux machine (Ubuntu 18) with
an earlier version of Java:
Process listing:
solr 10709 1 20 15:44 ? 00:00:15
/usr/lib/jvm/java-8-oracle/bin/java -server -Xms3072m -Xmx3072m
-XX:+UseG1GC -XX:+PerfDisableSharedMem -XX:+ParallelRefProcEnabled
-XX:G1HeapRegionSize=8m -XX:MaxGCPauseMillis=250
-XX:InitiatingHeapOccupancyPercent=75 -XX:+UseLargePages
-XX:+AggressiveOpts -verbose:gc -XX:+PrintHeapAtGC -XX:+PrintGCDetails
-XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps
-XX:+PrintTenuringDistribution -XX:+PrintGCApplicationStoppedTime
-Xloggc:/storage0/solr740/logs/solr_gc.log -XX:+UseGCLogFileRotation
-XX:NumberOfGCLogFiles=9 -XX:GCLogFileSize=20M
-Dsolr.log.dir=/storage0/solr740/logs -Djetty.port=8900 -DSTOP.PORT=7900
-DSTOP.KEY=solrrocks -Duser.timezone=UTC
-Djetty.home=/storage0/solr7/server
-Dsolr.solr.home=/storage0/solr740/data -Dsolr.data.home=
-Dsolr.install.dir=/storage0/solr7
-Dsolr.default.confdir=/storage0/solr7/server/solr/configsets/_default/conf
-Dlog4j.configurationFile=file:/storage0/solr740/log4j2.xml -Xss256k
-Dsolr.jetty.https.port=8900 -Dsolr.log.muteconsole
-XX:OnOutOfMemoryError=/storage0/solr7/bin/oom_solr.sh 8900
/storage0/solr740/logs -jar start.jar --module=http
In the GC log:
Java HotSpot(TM) 64-Bit Server VM (25.171-b11) for linux-amd64 JRE
(1.8.0_171-b11), built on Mar 28 2018 17:07:08 by "java_re" with gcc
4.3.0 20080428 (Red Hat 4.3.0-8)
Memory: 4k page, physical 24628836k(9793172k free), swap
8000508k(8000508k free)
CommandLine flags: -XX:+AggressiveOpts -XX:G1HeapRegionSize=8388608
-XX:GCLogFileSize=20971520 -XX:InitialHeapSize=3221225472
-XX:InitiatingHeapOccupancyPercent=75 -XX:MaxGCPauseMillis=250
-XX:MaxHeapSize=3221225472 -XX:NumberOfGCLogFiles=9
-XX:OnOutOfMemoryError=/storage0/solr7/bin/oom_solr.sh 8900
/storage0/solr740/logs -XX:+ParallelRefProcEnabled
-XX:+PerfDisableSharedMem -XX:+PrintGC
-XX:+PrintGCApplicationStoppedTime -XX:+PrintGCDateStamps
-XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintHeapAtGC
-XX:+PrintTenuringDistribution -XX:ThreadStackSize=256
-XX:+UseCompressedClassPointers -XX:+UseCompressedOops -XX:+UseG1GC
-XX:+UseGCLogFileRotation -XX:+UseLargePages
I don't have a lot of other combinations I can easily try.
Thanks,
Shawn
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