Congxian Qiu(klion26) created FLINK-14433:
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Summary: Move generated Jaas conf file from /tmp directory to Job
specific directory
Key: FLINK-14433
URL: https://issues.apache.org/jira/browse/FLINK-14433
Project: Flink
Issue Type: Improvement
Components: API / DataStream
Reporter: Congxian Qiu(klion26)
Fix For: 1.10.0
Currently, we’ll generate a jaas file under tmp directory[1], files generated
the jobs which run on the same machine will all run into the same directory
/tmp, this may be problematic because of the reasons:
* Run out of inode for the disk which directory /tmp on
* The performance of /tmp directory will affect the read/write performance of
jaas file.
So we propose to change place the jaas file under the {{CoreOptions.TMP_DIRS}}
directory other than the /tmp directory.
[1]
https://github.com/apache/flink/blob/dbe1bfa31db4a561b6faa9c1235f02dc130825ca/flink-runtime/src/main/java/org/apache/flink/runtime/security/modules/JaasModule.java#L143
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