JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(4), jvm_TxInjector_1(4)
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OS Image Description |
os_1
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Tuning |
/etc/system parameters- lpg_alloc_prefer=1
- Indicates that extra effort should be taken to ensure that pages are created in the nearby lgroup (NUMA location).
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Notes |
None
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Parts of Benchmark |
Controller
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JVM Instance Description |
jvm_1
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Command Line |
-Djava.awt.headless=true -Xmx2000m -Xms2000m -Xmn1200m -XX:+UseStringCache -XX:LargePageSizeInBytes=4m -XX:MaxInlineSize=200 -XX:FreqInlineSize=2000 -XX:InlineSmallCode=2000 -XX:LoopUnrollLimit=30 -verbose:gc -XX:ParallelGCThreads=4
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Tuning |
Run in processor set #2.
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Notes |
None
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Parts of Benchmark |
Backend
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JVM Instance Description |
jvm_1
|
Command Line |
-verbose:gc -XX:+PrintGCDetails -XX:+UseStringCache -XX:+AlwaysPreTouch -XX:LargePageSizeInBytes=256m -XX:AllocatePrefetchLines=8 -XX:+UnlockDiagnosticVMOptions -XX:ScavengeRootsInCode=1 -XX:NmethodSweepFraction=4 -XX:Tier3BackEdgeThreshold=7000 -XX:InlineSmallCode=2000 -XX:MaxInlineSize=300 -XX:MultiArrayExpandLimit=30 -XX:MaxInlineLevel=30 -XX:MinInliningThreshold=100 -XX:LoopUnrollLimit=30 -XX:FreqInlineSize=2000 -Xms300g -Xmx300g -Xmn280g -XX:+UseParallelOldGC -XX:-UseAdaptiveSizePolicy -XX:ParallelGCThreads=32 -XX:SurvivorRatio=200 -XX:MaxTenuringThreshold=1
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Tuning |
Each group (backend and transaction injector) is run in its own processor set consisting of all the virtual processors (threads) belonging to the same physical CPU.- $GROUPID < $GROUP_COUNT:
- psrset -c <all virtual processors of physical CPU#$GROUPID-1>
- psrset -e $GROUPID $JAVA $JAVA_OPTS_BE -jar specjbb2013.jar -m BACKEND -G=$GROUPID -J=$JVMID
- $GROUPID = $GROUP_COUNT:
- $JAVA $JAVA_OPTS_BE -jar specjbb2013.jar -m BACKEND -G=$GROUPID -J=$JVMID
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Notes |
None
|
Parts of Benchmark |
TxInjector
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xmx2400m -Xms2400m -Xmn1600m -verbose:gc -XX:+PrintGCDetails -XX:ParallelGCThreads=2 -XX:+UseConcMarkSweepGC -XX:ConcGCThreads=1 -XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=90 -XX:MaxTenuringThreshold=8
|
Tuning |
Each group (backend and transaction injector) is run in its own processor set consisting of all the virtual processors (threads) belonging to the same physical CPU.- $GROUPID < $GROUP_COUNT:
- psrset -c <all virtual processors of physical CPU#$GROUPID-1>
- psrset -e $GROUPID $JAVA $JAVA_OPTS_TI -jar specjbb2013.jar -m TXINJECTOR -G=$GROUPID -J=$JVMID
- $GROUPID = $GROUP_COUNT:
- $JAVA $JAVA_OPTS_TI -jar specjbb2013.jar -m TXINJECTOR -G=$GROUPID -J=$JVMID
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Notes |
None
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