jiasheng55 opened a new pull request #11331: [FLINK-15447][yarn] Add config to define 'java.io.tmpdir' property of… URL: https://github.com/apache/flink/pull/11331 … Yarn containers ## What is the purpose of the change Currently, the `java.io.tmpdir` property of Flink Yarn containers is set to the default value, which is "/tmp". This directory is shared by all processes and not cleaned automatically by Yarn, as a result, the users may encounter exceptions caused by a full "/tmp" directory. This PR aims to enable configuring the `java.io.tmpdir` property of Yarn containers. ## Brief change log *(for example:)* - Add a configuration named "yarn.container.tmpdir" to `YarnConfigOptions`, with a default value "/tmp", which is consistent with the previous behavior. - Add "-Djava.io.tmpdir=xxxx" options to Java start command, with the value configured in the above option. ## Verifying this change This change is already covered by existing tests, such as `org.apache.flink.yarn.YarnClusterDescriptorTest`. This test is updated accordingly. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (no) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (no) - The serializers: (no) - The runtime per-record code paths (performance sensitive): (no) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (**yes, Yarn deployment**) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (**yes**) - If yes, how is the feature documented? (JavaDocs)
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