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if the log dir does not exist, create it first to avoid copy failue #171

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if the log dir does not exist, create it first to avoid copy failue #171

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8 changes: 5 additions & 3 deletions vjstar/src/main/script/jvm-options/jvm-options.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -76,13 +76,15 @@ GC_OPTS="$GC_OPTS -XX:+UnlockDiagnosticVMOptions -XX:ParGCCardsPerStrideChunk=10

# 默认使用/dev/shm 内存文件系统避免在高IO场景下写GC日志时被阻塞导致STW时间延长
if [ -d /dev/shm/ ]; then
GC_LOG_FILE=/dev/shm/gc-${APPID}.log
GC_LOG_FILE=/dev/shm/gc-${APPID}.log
else
GC_LOG_FILE=${LOGDIR}/gc-${APPID}.log
GC_LOG_FILE=${LOGDIR}/gc-${APPID}.log
fi


if [ -f ${GC_LOG_FILE} ]; then
[ ! -d ${LOGDIR} ] && mkdir -p ${LOGDIR}

GC_LOG_BACKUP=${LOGDIR}/gc-${APPID}-$(date +'%Y%m%d_%H%M%S').log
echo "saving gc log ${GC_LOG_FILE} to ${GC_LOG_BACKUP}"
mv ${GC_LOG_FILE} ${GC_LOG_BACKUP}
Expand All @@ -94,7 +96,7 @@ GCLOG_OPTS="-Xloggc:${GC_LOG_FILE} -XX:+PrintGCDetails -XX:+PrintGCDateStamps -X

#打印GC原因，JDK8默认打开
if [[ "$JAVA_VERSION" < "1.8" ]]; then
GCLOG_OPTS="$GCLOG_OPTS -XX:+PrintGCCause"
GCLOG_OPTS="$GCLOG_OPTS -XX:+PrintGCCause"
fi


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