JVM Instances |
jvm_Ctr_1(1), jvm_Backend_1(2), jvm_TxInjector_1(2)
|
OS Image Description |
os_1
|
Tuning |
- cpupower frequency-set -g performance
- tuned-adm profile throughput-performance
- ulimit -n 1048576
ulimit -i unlimited- ulimit -s unlimited
- ulimit -u unlimited
- ulimit -l unlimited
- ulimit -v unlimited
- ulimit -m unlimited
- systemctl stop systemd-update-utmp-runlevel.service
- 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 400 > /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages
- echo always > /sys/kernel/mm/transparent_hugepage/defrag
- echo always > /sys/kernel/mm/transparent_hugepage/enabled
- echo 0 > /proc/sys/kernel/numa_balancing
- echo 3 > /proc/sys/vm/drop_caches
|
Notes |
None
|
Parts of Benchmark |
Controller
|
JVM Instance Description |
jvm_1
|
Command Line |
-server -Xms2g -Xmx2g -Xmn1536m -XX:+UseLargePages -XX:LargePageSizeInBytes=1G -XX:+UseParallelGC -XX:ParallelGCThreads=2
|
Tuning |
Used numactl to interleave memory on all CPUs
|
Notes |
None
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-XX:-UsePerfData -Xnoclassgc -XX:+UseParallelGC -XX:+UseLargePages -XX:+AlwaysPreTouch -XX:-UseAdaptiveSizePolicy -XX:MaxTenuringThreshold=15 -server -XX:TargetSurvivorRatio=90 -XX:SurvivorRatio=34 -XX:LargePageSizeInBytes=2G -Xms460g -Xmx460g -Xmn450g -XX:ParallelGCThreads=64 -XX:InitialCodeCacheSize=25m -XX:InlineSmallCode=20k
|
Tuning |
Used numactl to affinitize each Backend JVM to one NUMA node - numactl --cpunodebind=0 --membind=0
- numactl --cpunodebind=1 --membind=1
|
Notes |
None
|
Parts of Benchmark |
TxInjector
|
JVM Instance Description |
jvm_1
|
Command Line |
-server -Xms2g -Xmx2g -Xmn1536m -XX:+UseLargePages -XX:LargePageSizeInBytes=1G -XX:+UseParallelGC -XX:ParallelGCThreads=2
|
Tuning |
Used numactl to affinitize each TxInjector JVM to one NUMA node - numactl --cpunodebind=0 --membind=0
- numactl --cpunodebind=1 --membind=1
|
Notes |
None
|