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ZOOKEEPER-4391: Unable to use newer JVM memory settings as Xmx overrides #2061

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ZOOKEEPER-4391: Unable to use newer JVM memory settings as Xmx overrides #2061

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acf502c
ZOOKEEPER-4391: Unable to use newer JVM memory settings as Xmx overrides
smoldenhauer-ish Sep 8, 2023
7e73a38
ZOOKEEPER-4391: simplify regex, omit not needed curly braces
smoldenhauer-ish Oct 1, 2025
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12 changes: 10 additions & 2 deletions bin/zkEnv.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -136,8 +136,16 @@ export CLASSPATH

# default heap for zookeeper server
ZK_SERVER_HEAP="${ZK_SERVER_HEAP:-1000}"
export SERVER_JVMFLAGS="-Xmx${ZK_SERVER_HEAP}m $SERVER_JVMFLAGS"
if [[ $ZK_SERVER_HEAP =~ ^[1-9][0-9]*$ ]]; then
export SERVER_JVMFLAGS="-Xmx${ZK_SERVER_HEAP}m $SERVER_JVMFLAGS"
else
export SERVER_JVMFLAGS="$ZK_SERVER_HEAP $SERVER_JVMFLAGS"
fi

# default heap for zookeeper client
ZK_CLIENT_HEAP="${ZK_CLIENT_HEAP:-256}"
export CLIENT_JVMFLAGS="-Xmx${ZK_CLIENT_HEAP}m $CLIENT_JVMFLAGS"
if [[ $ZK_CLIENT_HEAP =~ ^[1-9][0-9]*$ ]]; then
export CLIENT_JVMFLAGS="-Xmx${ZK_CLIENT_HEAP}m $CLIENT_JVMFLAGS"
else
export CLIENT_JVMFLAGS="$ZK_CLIENT_HEAP $CLIENT_JVMFLAGS"
fi