Myasuka commented on a change in pull request #43:
URL: https://github.com/apache/flink-docker/pull/43#discussion_r525867175
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File path: docker-entrypoint.sh
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@@ -93,21 +94,49 @@ prepare_job_manager_start() {
envsubst < "${CONF_FILE}" > "${CONF_FILE}.tmp" && mv "${CONF_FILE}.tmp"
"${CONF_FILE}"
}
+disable_jemalloc_env() {
+ if [ "$1" = ${COMMAND_DISABLE_JEMALLOC} ]; then
+ echo "Disable Jemalloc as the memory allocator"
+ return 0
+ else
+ echo "Enable Jemalloc as the memory allocator via appending env variable
LD_PRELOAD with /usr/lib/x86_64-linux-gnu/libjemalloc.so"
+ export LD_PRELOAD=$LD_PRELOAD:/usr/lib/x86_64-linux-gnu/libjemalloc.so
+ return 1
+ fi
+}
+
if [ "$1" = "help" ]; then
- echo "Usage: $(basename "$0")
(jobmanager|${COMMAND_STANDALONE}|taskmanager|${COMMAND_NATIVE_KUBERNETES}|${COMMAND_HISTORY_SERVER}|help)"
+ printf "Usage: $(basename "$0")
(jobmanager|${COMMAND_STANDALONE}|taskmanager|${COMMAND_NATIVE_KUBERNETES}|${COMMAND_HISTORY_SERVER})
[${COMMAND_DISABLE_JEMALLOC}]\n"
+ printf " Or $(basename "$0") help\n\n"
+ printf "By default, Flink image adopts jemalloc as default memory
allocator and will disable jemalloc if option '${COMMAND_DISABLE_JEMALLOC}'
given.\n"
exit 0
elif [ "$1" = "jobmanager" ]; then
shift 1
+ disable_jemalloc_env $@
+ disabled_jemalloc="$?"
+ if [ ${disabled_jemalloc} = 0 ]; then
+ shift 1
+ fi
Review comment:
I have refactored the function and update the array of arguments within
the new `disable_jemalloc_env` function and then passed to next commands.
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