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JVM Instances |
jvm_Ctr_1(1), jvm_TxInjector_1(40)
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OS Image Description |
os_2
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Tuning |
- cpupower -c all frequency-set -g performance
- tuned-adm profile throughput-performance
- echo 10000 > /proc/sys/kernel/sched_cfs_bandwidth_slice_us
- echo 0 > /proc/sys/kernel/sched_child_runs_first
- echo 16000000 > /proc/sys/kernel/sched_latency_ns
- echo 1000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 28000000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 9 > /proc/sys/kernel/sched_nr_migrate
- echo 100 > /proc/sys/kernel/sched_rr_timeslice_ms
- echo 1000000 > /proc/sys/kernel/sched_rt_period_us
- echo 990000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 0 > /proc/sys/kernel/sched_schedstats
- echo 1 > /proc/sys/kernel/sched_tunable_scaling
- echo 50000000 > /proc/sys/kernel/sched_wakeup_granularity_ns
- echo 3000 > /proc/sys/vm/dirty_expire_centisecs
- echo 500 > /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
|
Notes |
None
|
Parts of Benchmark |
Controller
|
JVM Instance Description |
jvm_2
|
Command Line |
-Xms6g -Xmx6g -Xmn5g -XX:+UseParallelOldGC -XX:CICompilerCount=12 -XX:ParallelGCThreads=12
|
Tuning |
None
|
Notes |
Used numactl to interleave memory on all Nodes in Driver system
|
Parts of Benchmark |
TxInjector
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms4g -Xmx4g -Xmn3g -XX:+UseParallelOldGC -XX:CICompilerCount=2 -XX:ParallelGCThreads=2
|
Tuning |
None
|
Notes |
Used numactl to affinitize 20 Transaction Injector JVM to one NUMA node in Driver system - Group1:numactl --cpunodebind=0 --membind=0
- Group2:numactl --cpunodebind=0 --membind=0
- Group3:numactl --cpunodebind=0 --membind=0
- ...
- Group20:numactl --cpunodebind=0 --membind=0
- Group21:numactl --cpunodebind=1 --membind=1
- Group22:numactl --cpunodebind=1 --membind=1
- ...
- Group40:numactl --cpunodebind=1 --membind=1
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