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refactor(canal): 升级JVM参数 (#5544)

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- 重点升级JVM参数

- 重构SessionHandler代码, 处理错误请求会响应两次包；
This commit is contained in:
sunxien
2026-01-28 11:20:19 +08:00
committed by GitHub
parent c0619c4217
commit dcea8afc93
4 changed files with 147 additions and 154 deletions
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31
deployer/src/main/bin/startup.sh
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@@ -83,24 +83,35 @@ in
exit;;
esac
JavaVersion=`$JAVA -version 2>&1 |awk 'NR==1{ gsub(/"/,""); print $3 }' | awk -F '.' '{print $1}'`
str=`file -L $JAVA | grep 64-bit`
JAVA_OPTS="$JAVA_OPTS -Xss1m -XX:-UseBiasedLocking -XX:-OmitStackTraceInFastThrow -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$base/logs"
JAVA_VERSION=`$JAVA -version 2>&1 |awk 'NR==1{ gsub(/"/,""); print $3 }' | awk -F '.' '{print $1}'`
if [ $JavaVersion -ge 11 ] ; then
JAVA_OPTS="$JAVA_OPTS -Xss1m -XX:+AggressiveOpts -XX:-UseBiasedLocking -XX:-OmitStackTraceInFastThrow"
JAVA_OPTS="$JAVA_OPTS -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$base/logs"
if [ $JAVA_VERSION -ge 11 ] ; then
#JAVA_OPTS="$JAVA_OPTS -Xlog:gc*:$base_log/gc.log:time "
JAVA_OPTS="$JAVA_OPTS"
JAVA_OPTS="$JAVA_OPTS -Xlog:gc*:file=$base/logs/adapter/gc.log::filecount=5,filesize=32M"
else
#JAVA_OPTS="$JAVA_OPTS -Xloggc:$base/logs/canal/gc.log -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCApplicationStoppedTime"
JAVA_OPTS="$JAVA_OPTS -XX:+AggressiveOpts -XX:+UseFastAccessorMethods -XX:+PrintAdaptiveSizePolicy -XX:+PrintTenuringDistribution"
JAVA_OPTS="$JAVA_OPTS -Xloggc:$base/logs/canal/gc.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogFileSize=32M"
JAVA_OPTS="$JAVA_OPTS -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:-PrintHeapAtGC -XX:+PrintGCApplicationStoppedTime"
JAVA_OPTS="$JAVA_OPTS -XX:+UseFastAccessorMethods -XX:-PrintReferenceGC -XX:+PrintAdaptiveSizePolicy -XX:+PrintTenuringDistribution"
JAVA_OPTS="$JAVA_OPTS -XX:+PrintSafepointStatistics -XX:PrintSafepointStatisticsCount=1 -XX:+SafepointTimeout -XX:SafepointTimeoutDelay=2000"
JAVA_OPTS="$JAVA_OPTS -XX:+UseCountedLoopSafepoints -XX:+DisableExplicitGC -XX:+ExplicitGCInvokesConcurrent -XX:+ExplicitGCInvokesConcurrentAndUnloadsClasses"
fi
if [ -n "$str" ]; then
if [ $JavaVersion -ge 11 ] ; then
OS_ARCH=`file -L $JAVA | grep 64-bit`
if [ -n "$OS_ARCH" ]; then
if [ $JAVA_VERSION -ge 11 ] ; then
# For G1
JAVA_OPTS="-server -Xms2g -Xmx3g -XX:+UseG1GC -XX:MaxGCPauseMillis=250 -XX:+UseGCOverheadLimit -XX:+ExplicitGCInvokesConcurrent $JAVA_OPTS"
else
JAVA_OPTS="-server -Xms2g -Xmx3g -Xmn1g -XX:SurvivorRatio=2 -XX:PermSize=96m -XX:MaxPermSize=256m -XX:MaxTenuringThreshold=15 -XX:+DisableExplicitGC $JAVA_OPTS"
# JAVA_OPTS="-server -Xms2g -Xmx3g -Xmn1g -XX:SurvivorRatio=2 -XX:PermSize=96m -XX:MaxPermSize=256m -XX:MaxTenuringThreshold=15 -XX:+DisableExplicitGC $JAVA_OPTS"
## JDK 1.8 2c4g [-XX:ConcGCThreads=1 -XX:ParallelGCThreads=2], 4c8g [-XX:ConcGCThreads=2 -XX:ParallelGCThreads=4]
JAVA_OPTS="$JAVA_OPTS -XX:InitialRAMPercentage=45.0 -XX:MinRAMPercentage=45.0 -XX:MaxRAMPercentage=45.0"
JAVA_OPTS="$JAVA_OPTS -XX:-UseParallelGC -XX:+UseConcMarkSweepGC -XX:ConcGCThreads=2 -XX:ParallelGCThreads=4"
JAVA_OPTS="$JAVA_OPTS -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70"
JAVA_OPTS="-server -XX:NewRatio=1 -XX:SurvivorRatio=2 -XX:MetaspaceSize=96m -XX:MaxMetaspaceSize=128m "
fi
else
JAVA_OPTS="-server -Xms1024m -Xmx1024m -XX:NewSize=256m -XX:MaxNewSize=256m -XX:MaxPermSize=128m $JAVA_OPTS"