OS Images |
os_Image_1(1)
|
Hardware Description |
hw_1
|
Number of Systems |
1
|
SW Environment |
non-virtual
|
Tuning |
- Hyper Threading=Enabled
- QPI Snoop Configuration=Cluster on Die
- Power Profile=Maximum Performance
- Thermal Configuration=Maximum Cooling
- Collaborative Power Control=Disabled
- Processor Power and Utilization Monitoring=Disabled
- Memory Patrol Scrub=Disabled
- Memory Refresh Rate=1x Refresh
|
Notes |
None
|
|
JVM Instances |
jvm_Backend_1(4)
|
OS Image Description |
os_1
|
Tuning |
- SELINUX=disabled
- tuned-adm profile=throughput-performance
- echo 16000000 > /proc/sys/kernel/sched_latency_ns
- echo 6000000 > /proc/sys/kernel/sched_min_granularity_ns
|
Notes |
None
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
None
|
Tuning |
-Xms29g -Xmx29g -Xmn27g -server -XX:AllocatePrefetchInstr=2 -Xnoclassgc -XX:LargePageSizeInBytes=2m -XX:-UsePerfData -XX:+AggressiveOpts -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:-UseBiasedLocking -XX:+UseLargePages -XX:+UseParallelOldGC -XX:SurvivorRatio=28 -XX:TargetSurvivorRatio=95 -XX:ParallelGCThreads=22 -XX:MaxTenuringThreshold=15 -XX:+PrintTenuringDistribution -XX:+PrintGCDetails -XX:+PrintGCTimeStamps
|
Notes |
Used numactl to affinitize each Backend JVM to physical cores in a NUMA node. - numactl --physcpubind=0-10,44-54 --membind=0
- numactl --physcpubind=11-21,55-65 --membind=1
- numactl --physcpubind=22-32,66-76 --membind=2
- numactl --physcpubind=33-43,77-87 --membind=3
|
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