michaeljmarshall commented on a change in pull request #11285:
URL: https://github.com/apache/pulsar/pull/11285#discussion_r715810211
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File path: conf/bkenv.sh
##########
@@ -30,16 +30,26 @@ BOOKIE_CONF=${BOOKIE_CONF:-"$BK_HOME/conf/bookkeeper.conf"}
# BOOKIE_LOG_CONF=
# Logs location
-# BOOKIE_LOG_DIR=
+BOOKIE_LOG_DIR=${BOOKIE_LOG_DIR:-"$BK_HOME/logs"}
+mkdir -p "$BOOKIE_LOG_DIR"
# Memory size options
BOOKIE_MEM=${BOOKIE_MEM:-${PULSAR_MEM:-"-Xms2g -Xmx2g
-XX:MaxDirectMemorySize=2g"}}
# Garbage collection options
BOOKIE_GC=${BOOKIE_GC:-${PULSAR_GC:-"-XX:+UseG1GC -XX:MaxGCPauseMillis=10
-XX:+ParallelRefProcEnabled -XX:+UnlockExperimentalVMOptions
-XX:+DoEscapeAnalysis -XX:ParallelGCThreads=32 -XX:ConcGCThreads=32
-XX:G1NewSizePercent=50 -XX:+DisableExplicitGC -XX:-ResizePLAB"}}
+IS_JAVA_8=`java -version 2>&1 |grep version|grep '"1\.8'`
+# java version has space, use [[ -n $PARAM ]] to judge if variable exists
+if [[ -n $IS_JAVA_8 ]]; then
+ Bookie_GC_LOG=${Bookie_GC_LOG:-"-Xloggc:logs/pulsar_bookie_gc_%p.log
-XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+UseGCLogFileRotation
-XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=20M"}
Review comment:
Nit. I might be missing something, but I think this variable should be
all caps.
```suggestion
BOOKIE_GC_LOG=${BOOKIE_GC_LOG:-"-Xloggc:logs/pulsar_bookie_gc_%p.log
-XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+UseGCLogFileRotation
-XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=20M"}
```
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