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 PreFailure Notification=Disabled
- Memory Patrol Scrub=Disabled
|
Notes |
None
|
|
JVM Instances |
jvm_Backend_1(4)
|
OS Image Description |
os_1
|
Tuning |
- tuned-adm profile=throughput-performance
- echo 16000000 > /proc/sys/kernel/sched_latency_ns
- echo 6000000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 990000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 1000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 10000 > /proc/sys/vm/dirty_expire_centisecs
- echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
|
Notes |
None
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-server -XX:AllocatePrefetchInstr=2 -XX:LargePageSizeInBytes=2m -XX:-UsePerfData -XX:+AggressiveOpts -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:-UseBiasedLocking -XX:+UseLargePages -XX:+UseParallelOldGC -Xms29g -Xmx29g -Xmn27g -XX:SurvivorRatio=28 -XX:TargetSurvivorRatio=95 -XX:ParallelGCThreads=24 -XX:MaxTenuringThreshold=15 -Xnoclassgc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps
|
Tuning |
Used numactl to affinitize each Backend JVM to physical cores in a NUMA node. - numactl --physcpubind=0-11,96-107 --membind=0
- numactl --physcpubind=12-23,108-119 --membind=1
- numactl --physcpubind=24-35,120-131 --membind=2
- numactl --physcpubind=36-47,132-143 --membind=3
- numactl --physcpubind=48-59,144-155 --membind=4
- numactl --physcpubind=60-71,156-167 --membind=5
- numactl --physcpubind=72-83,168-179 --membind=6
- numactl --physcpubind=84-95,180-191 --membind=7
|
Notes |
None
|
|