geniusjoe commented on code in PR #25274:
URL: https://github.com/apache/pulsar/pull/25274#discussion_r2878773792
##########
bin/function-localrunner:
##########
@@ -76,8 +76,11 @@ if [[ -z "$PULSAR_GC_LOG" ]]; then
fi
fi
-# Extra options to be passed to the jvm
-PULSAR_EXTRA_OPTS=${PULSAR_EXTRA_OPTS:-" -Dpulsar.allocator.exit_on_oom=true
-Dio.netty.recycler.maxCapacityPerThread=4096"}
+# Extra options to be passed to the jvm，typically used for passing
user-defined JVM OPTS configurations.
+# This PULSAR_EXTRA_OPTS parameter has a higher priority than the predefined
JVM OPTS.
+# Therefore, in addition to defining extra JVM parameters here, it can also be
used to override JVM parameters with the same name in OPTS
+# For example, if IPv6 functionality needs to be enabled, configure:
PULSAR_EXTRA_OPTS="-Djava.net.preferIPv4Stack=false".
+PULSAR_EXTRA_OPTS="${PULSAR_EXTRA_OPTS}"
Review Comment:
The duplicate initialization code for `PULSAR_EXTRA_OPTS`, along with its
corresponding comments, has been removed.
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