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HDDS-14890. Improve ozone_add_default_gc_opts #10021

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Merged
adoroszlai merged 1 commit into from
Apr 1, 2026
+7 −9
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HDDS-14890. Improve ozone_add_default_gc_opts #10021

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16 changes: 7 additions & 9 deletions hadoop-ozone/dist/src/shell/ozone/ozone-functions.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -1520,17 +1520,15 @@ function ozone_translate_cygwin_path
## @replaceable yes
function ozone_add_default_gc_opts
{
java_major_version=$(ozone_get_java_major_version)
if [[ "${OZONE_SUBCMD_SUPPORTDAEMONIZATION}" == true ]]; then
if [[ ! "$OZONE_OPTS" =~ "-XX" ]] ; then
OZONE_OPTS="${OZONE_OPTS} -XX:ParallelGCThreads=8"
if [[ "$java_major_version" -lt 15 ]]; then
OZONE_OPTS="${OZONE_OPTS} -XX:+UseConcMarkSweepGC -XX:NewRatio=3 -XX:CMSInitiatingOccupancyFraction=70 -XX:+CMSParallelRemarkEnabled"
ozone_error "No '-XX:...' jvm parameters are set. Adding safer GC settings '-XX:ParallelGCThreads=8 -XX:+UseConcMarkSweepGC -XX:NewRatio=3 -XX:CMSInitiatingOccupancyFraction=70 -XX:+CMSParallelRemarkEnabled' to the OZONE_OPTS"
else
ozone_error "No '-XX:...' jvm parameters are set. Adding safer GC settings '-XX:ParallelGCThreads=8' to the OZONE_OPTS"
fi
local gc_opts
local java_major_version
java_major_version=$(ozone_get_java_major_version)
gc_opts="-XX:ParallelGCThreads=8"
if [[ "$java_major_version" -lt 15 ]]; then
gc_opts="${gc_opts} -XX:+UseConcMarkSweepGC -XX:NewRatio=3 -XX:CMSInitiatingOccupancyFraction=70 -XX:+CMSParallelRemarkEnabled"
fi
ozone_add_param OZONE_OPTS XX "${gc_opts}"
fi
}

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