OS Images |
os_Image_1(1)
|
Hardware Description |
hw_1
|
Number of Systems |
1
|
SW Environment |
Non-virtual
|
Tuning |
- Logical Processor : Enabled
- L1 Stream HW Prefetcher : Disabled
- L2 Stream HW Prefetcher : Disabled
- MADT Core Enumeration : Linear
- NUMA Nodes Per Socket : 2
- L3 cache as NUMA Domain : Enabled
- System Profile : Custom
- Determinism Slider : Power Determinism
- ACPI CST C2 Latency : 18
|
Notes |
None
|
|
JVM Instances |
jvm_Backend_1(8)
|
OS Image Description |
os_1
|
Tuning |
- cpupower -c all frequency-set -g performance
- tuned-adm profile throughput-performance
- echo 960000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 40000000 > /proc/sys/kernel/sched_latency_ns
- echo 40000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 900000000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 200000000 > /proc/sys/kernel/sched_wakeup_granularity_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 0 > /proc/sys/vm/numa_stat
- echo always > /sys/kernel/mm/transparent_hugepage/enabled
- echo always > /sys/kernel/mm/transparent_hugepage/defrag
- ulimit -n 1024000
- UserTasksMax=970000
- DefaultTasksMax=970000
- sysctl -w net.ipv4.icmp_echo_ignore_broadcasts=1
- sysctl -w net.ipv4.conf.all.rp_filter=1
- sysctl -w fs.inotify.max_user_watches=65536
- sysctl -w net.ipv4.conf.default.promote_secondaries=1
- sysctl -w net.ipv4.conf.all.promote_secondaries=1
- sysctl -w vm.dirty_background_ratio=1
- sysctl -w vm.swappiness=0
- sysctl -w vm.overcommit_memory=0
- sysctl -w net.ipv4.tcp_mtu_probing=1
- sysctl -w net.core.wmem_max=12582912
- sysctl -w net.core.rmem_max=12582912
- sysctl -w net.ipv4.tcp_rmem='10240 87380 12582912'
- sysctl -w net.ipv4.tcp_wmem='10240 87380 12582912'
- sysctl -w net.core.netdev_max_backlog=655560
- sysctl -w net.core.somaxconn=32768
- sysctl -w net.ipv4.tcp_no_metrics_save=1
|
Notes |
None
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms32736M -Xmx32736M -Xmn30736M -XX:AllocatePrefetchInstr=2 -XX:+UseParallelGC -XX:ParallelGCThreads=16 -XX:LargePageSizeInBytes=2m -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:SurvivorRatio=16 -XX:TargetSurvivorRatio=95 -XX:MaxTenuringThreshold=15 -XX:InlineSmallCode=11k -XX:MaxGCPauseMillis=300 -XX:LoopUnrollLimit=200 -XX:AdaptiveSizeMajorGCDecayTimeScale=12 -XX:AdaptiveSizeDecrementScaleFactor=2 -XX:+UseTransparentHugePages -XX:TLABAllocationWeight=55 -XX:ThreadStackSize=512
|
Tuning |
Used numactl to affinitize each Backend JVM to 8 Core / 16 Threads- Group1: --physcpubind=0-7,64-71 --localalloc
- Group2: --physcpubind=8-15,72-79 --localalloc
- Group3: --physcpubind=16-23,80-87 --localalloc
- Group4: --physcpubind=24-31,88-95 --localalloc
- Group5: --physcpubind=32-39,96-103 --localalloc
- Group6: --physcpubind=40-47,104-111 --localalloc
- Group7: --physcpubind=48-55,112-119 --localalloc
- Group8: --physcpubind=56-63,120-127 --localalloc
|
Notes |
None
|
|