[jira] [Created] (FLINK-27099) RestClient fills /tmp directory

["Mexicapita (Jira)" <ji...@apache.org>]

Mexicapita created FLINK-27099:
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             Summary: RestClient fills /tmp directory
                 Key: FLINK-27099
                 URL: https://issues.apache.org/jira/browse/FLINK-27099
             Project: Flink
          Issue Type: Bug
          Components: Client / Job Submission, Runtime / REST
    Affects Versions: 1.14.4, 1.12.1, 1.7.2
            Reporter: Mexicapita


I have some problems with my apache flink stream system. 
A few days ago, we detect that flink was using too much space in the hard disk, and explorint them, we found to many (around a thousand) `.jar` files in `/tmp` directory on jobmanager container.

The .jar files always have a similar name, but with diferent numbers:
- 1695477181_3183563526079495551lib_org.eclipse.paho.client.mqttv3-1.1.0.jar
- 1798263280_2346102789822957064lib_com.google.protobuf_2.6.0.jar

The .jar files was created when I use the 'Submit New Job' menu

In this menu, flink start to polling `GET http://myflink:myport/jars/` (once at second). 
For each request, a couple of .jar files are created.

I can't find any information about this and I'm not sure if its a bug or something. Any help please ?

My installations:
- Flink 1.12.1 running with docker swarm
- Flink 1.7 running with docker compose
- Flink 1.14.4 java 11 running with docker-compose


The three installations have the same problem

Thanks !!!



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