|
| 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 : 4
- L3 cache as NUMA Domain : Enabled
- System Profile : Custom
- Determinism Slider : Power Determinism
- Algorithm Performance Boost Disable (ApbDis) : Enabled
- ApbDis Fixed Socket P-State : P0
|
| Notes |
None
|
|
|
| JVM Instances |
jvm_Backend_1(12)
|
| OS Image Description |
os_1
|
| Tuning |
- 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 9000 > /proc/sys/kernel/sched_nr_migrate
- 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 |
-Xms31g -Xmx31g -Xmn29g -XX:AllocatePrefetchInstr=2 -XX:+UseParallelGC -XX:ParallelGCThreads=16 -XX:LargePageSizeInBytes=2m -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:SurvivorRatio=18 -XX:TargetSurvivorRatio=95 -XX:MaxTenuringThreshold=15 -XX:InlineSmallCode=11k -XX:MaxGCPauseMillis=100 -XX:LoopUnrollLimit=200 -XX:+UseTransparentHugePages -XX:TLABAllocationWeight=2 -XX:ThreadStackSize=140 -XX:CompileThresholdScaling=120 -XX:CICompilerCount=4 -XX:AutoBoxCacheMax=32 -XX:OnStackReplacePercentage=100 -XX:TLABSize=1m -XX:MinTLABSize=1m -XX:-ResizeTLAB -XX:TLABWasteTargetPercent=1 -XX:TLABWasteIncrement=1 -XX:YoungPLABSize=1m -XX:OldPLABSize=1m
|
| Tuning |
Used numactl to affinitize each Backend JVM to 8 Core / 16 Threads- Group1: --physcpubind=0-7,96-103 --localalloc
- Group2: --physcpubind=8-15,104-111 --localalloc
- Group3: --physcpubind=16-23,112-119 --localalloc
- Group4: --physcpubind=24-31,120-127 --localalloc
- Group5: --physcpubind=32-39,128-135 --localalloc
- Group6: --physcpubind=40-47,136-143 --localalloc
- Group7: --physcpubind=48-55,144-151 --localalloc
- Group8: --physcpubind=56-63,152-159 --localalloc
- Group9: --physcpubind=64-71,160-167 --localalloc
- Group10: --physcpubind=72-79,168-175 --localalloc
- Group11: --physcpubind=80-87,176-183 --localalloc
- Group12: --physcpubind=88-95,184-191 --localalloc
|
| Notes |
None
|
|
