OS Images |
os_Image_1(1)
|
Hardware Description |
hw_1
|
Number of Systems |
1
|
SW Environment |
non-virtual
|
Tuning |
BIOS Configuration:- Operating Mode set to Maximum Performance and then set to Custom Mode
- NUMA Nodes per Socket set to NPS4
- L1 Stream HW Prefetcher set to Disable
- L2 Stream HW Prefetcher set to Disable
- ACPI SRAT L3 Cache as NUMA Domain set to Enabled
- SOC P-states set to P0
|
Notes |
None
|
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JVM Instances |
jvm_Backend_1(8)
|
OS Image Description |
os_1
|
Tuning |
- cpupower frequency-set -g performance
- echo 950000 > /proc/sys/kernel/sched_rt_runtime_us
- echo 100000000 > /proc/sys/kernel/sched_latency_ns
- echo 80000 > /proc/sys/kernel/sched_migration_cost_ns
- echo 600000 > /proc/sys/kernel/sched_min_granularity_ns
- echo 100000 > /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 always > /sys/kernel/mm/transparent_hugepage/enabled
- echo always > /sys/kernel/mm/transparent_hugepage/defrag
- sysctl net.core.wmem_max=12582912
- sysctl net.core.rmem_max=12582912
- sysctl net.ipv4.tcp_rmem='10240 87380 12582912'
- sysctl net.ipv4.tcp_wmem='10240 87380 12582912'
- sysctl net.core.netdev_max_backlog=655560
- sysctl net.core.somaxconn=32768
- sysctl net.ipv4.tcp_no_metrics_save=1
|
Notes |
None
|
Parts of Benchmark |
Backend
|
JVM Instance Description |
jvm_1
|
Command Line |
-Xms30g -Xmx30g -Xmn27g -XX:AllocatePrefetchInstr=2 -XX:+UseParallelGC -XX:LargePageSizeInBytes=2m -XX:-UseAdaptiveSizePolicy -XX:+AlwaysPreTouch -XX:+UseLargePages -XX:SurvivorRatio=30 -XX:TargetSurvivorRatio=99 -XX:MaxTenuringThreshold=15 -XX:ParallelGCThreads=16 -XX:+UseTransparentHugePages -XX:MaxInlineSize=900 -XX:FreqInlineSize=900 -XX:LoopUnrollLimit=30 -XX:InlineSmallCode=3k -XX:AutoBoxCacheMax=5000 -XX:MetaspaceSize=2048m -XX:MaxMetaspaceSize=2048m
|
Tuning |
None
|
Notes |
Used numactl to run on all available nodes- numactl --physcpubind=0-7,64-71 --membind=0
- numactl --physcpubind=8-15,72-79 --membind=1
- numactl --physcpubind=16-23,80-87 --membind=2
- numactl --physcpubind=24-31,88-95 --membind=3
- numactl --physcpubind=32-39,96-103 --membind=4
- numactl --physcpubind=40-47,104-111 --membind=5
- numactl --physcpubind=48-55,112-117 --membind=6
- numactl --physcpubind=56-63,118-125 --membind=7
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