[FLINK-21048][docs] Refactor documentation related to switch memory a…

…llocator
is · Jan 29, 2021 · 4f5747f · 4f5747f
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diff --git a/docs/deployment/resource-providers/standalone/docker.md b/docs/deployment/resource-providers/standalone/docker.md
@@ -336,10 +336,12 @@ $ docker build --tag pyflink:latest .
 Flink introduced `jemalloc` as default memory allocator to resolve memory fragmentation problem (please refer to [FLINK-19125](https://issues.apache.org/jira/browse/FLINK-19125)).
 
 You could switch back to use `glibc` as memory allocator to restore the old behavior or if any unexpected memory consumption or problem observed
-(and please report the issue via JIRA or mailing list if you found any), by passing `disable-jemalloc` parameter:
+(and please report the issue via JIRA or mailing list if you found any), by setting environment variable `DISABLE_JEMALLOC` as true:
 
 ```sh
- $ docker run <jobmanager|standalone-job|taskmanager> disable-jemalloc
+ $ docker run \
+ --env DISABLE_JEMALLOC=true \
+ flink:{% if site.is_stable %}{{site.version}}-scala{{site.scala_version_suffix}}{% else %}latest{% endif %} <jobmanager|standalone-job|taskmanager>
 ```
 
 ### Advanced customization

diff --git a/docs/deployment/resource-providers/standalone/docker.zh.md b/docs/deployment/resource-providers/standalone/docker.zh.md
@@ -326,10 +326,12 @@ $ docker build --tag pyflink:latest .
 Flink introduced `jemalloc` as default memory allocator to resolve memory fragmentation problem (please refer to [FLINK-19125](https://issues.apache.org/jira/browse/FLINK-19125)).
 
 You could switch back to use `glibc` as memory allocator to restore the old behavior or if any unexpected memory consumption or problem observed
-(and please report the issue via JIRA or mailing list if you found any), by passing `disable-jemalloc` parameter:
+(and please report the issue via JIRA or mailing list if you found any), by setting environment variable `DISABLE_JEMALLOC` as true:
 
 ```sh
- $ docker run <jobmanager|standalone-job|taskmanager> disable-jemalloc
+ $ docker run \
+ --env DISABLE_JEMALLOC=true \
+ flink:{% if site.is_stable %}{{site.version}}-scala{{site.scala_version_suffix}}{% else %}latest{% endif %} <jobmanager|standalone-job|taskmanager>
 ```
 
 ### Advanced customization