apollo/docs/en/misc/apollo-benchmark.md

Many people are concerned about the performance and reliability of Apollo. The following data is collected from a single machine in Ctrip's internal production environment. The monitoring tool is Cat.

I. Test machine configuration

1.1 Machine configuration

4C12G

1.2 JVM parameters

-Xms6144m -Xmx6144m -Xss256k -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=384m -XX:NewSize=4096m -XX:MaxNewSize=4096m -XX:SurvivorRatio=8
-XX:+UseParNewGC -XX:ParallelGCThreads=4 -XX:MaxTenuringThreshold=9 -XX:+UseConcMarkSweepGC -XX:+DisableExplicitGC -XX:+ UseCMSInitiatingOccupancyOnly -XX:+ScavengeBeforeFullGC -XX:+UseCMSCompactAtFullCollection -XX:+CMSParallelRemarkEnabled -XX: CMSFullGCsBeforeCompaction=9 -XX:CMSInitiatingOccupancyFraction=60 -XX:+CMSClassUnloadingEnabled -XX:SoftRefLRUPolicyMSPerMB=0 -XX:+ CMSPermGenSweepingEnabled -XX:CMSInitiatingPermOccupancyFraction=70 -XX:+ExplicitGCInvokesConcurrent -XX:+PrintGCDetails -XX:+ PrintGCDateStamps -XX:+PrintGCApplicationConcurrentTime -XX:+PrintHeapAtGC -XX:+HeapDumpOnOutOfMemoryError -XX:- OmitStackTraceInFastThrow -Duser.timezone=Asia/Shanghai -Dclient.encoding.override=UTF-8 -Dfile.encoding=UTF-8 -Djava.security.egd= file:/dev/./urandom

1.3 JVM Versions

1.8.0_60

1.4 Apollo version

0.9.0

1.5 Number of client connections per machine (number of clients)

5600

1.6 Total number of client connections (number of clients) in the cluster

10W+

II. Performance Metrics

2.1 Get configured Http interface response time

QPS: 160

Average response time: 0.1ms

95 line response time: 0.3ms

999 line response time: 2.5ms

Note: config service has config cache enabled, for more information you can refer to Cache Configuration in Distributed Deployment Guide

2.2 Config Server GC Status

YGC: average 2Min once, one time 300ms

OGC: average 1H once, one time consuming 380ms

2.3 CPU metrics

LoadAverage: 0.5

System CPU utilization: 6%

Process CPU utilization: 8%