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| JVM Instances |
jvm_Composite_1(1)
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| OS Image Description |
os_1
|
| Tuning |
- cpupower -c all frequency-set -g performance
- tuned-adm profile throughput-performance
- echo 400000000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 40000 > /proc/sys/kernel/sched_wakeup_granularity_ns
- echo 40000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 128 > /proc/sys/kernel/sched_nr_migrate
- echo 950000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 400000 > /proc/sys/kernel/sched_latency_ns
- echo 10000 > /proc/sys/vm/dirty_expire_centisecs
- echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
- echo 40 > /proc/sys/vm/dirty_ratio
- echo 10 > /proc/sys/vm/dirty_background_ratio
- echo 10 > /proc/sys/vm/swappiness
- echo 0 > /proc/sys/kernel/numa_balancing
- echo always > /sys/kernel/mm/transparent_hugepage/defrag
- echo always > /sys/kernel/mm/transparent_hugepage/enabled
- Add cgroup_disable=memory,cpu,cpuacct,blkio,hugetlb,pids,cpuset,perf_event,freezer,devices,net_cls,net_prio to GRUB_CMDLINE_LINUX_DEFAULT
- ulimit -n 1024000
- UserTasksMax=970000
- DefaultTasksMax=970000
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| Notes |
None
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|
| Parts of Benchmark |
Composite
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| JVM Instance Description |
jvm_1
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| Command Line |
-Xms490g -Xmx490g -Xmn480g -server -XX:+UseParallelOldGC -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:MaxTenuringThreshold=1 -XX:+ScavengeBeforeFullGC -XX:-UseAdaptiveSizePolicy -XX:ParallelGCThreads=128 -XX:-UseBiasedLocking -XX:SurvivorRatio=200 -XX:TargetSurvivorRatio=95 -XX:+UseNUMA -XX:-UseNUMAInterleaving -XX:+UseTransparentHugePages
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| Tuning |
None
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| Notes |
Used numactl to run on all available nodes - numactl --cpunodebind=0-1 --interleave=0-1
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