Shammon created FLINK-25329:
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Summary: Improvement of disk operations in flink session cluster
for jobs
Key: FLINK-25329
URL: https://issues.apache.org/jira/browse/FLINK-25329
Project: Flink
Issue Type: Improvement
Components: Runtime / Coordination
Affects Versions: 1.13.3, 1.12.5, 1.14.0
Reporter: Shammon
Flink session cluster uses files to store info of jobs after they reach
termination with `FileExecutionGraphInfoStore`, each job will generate one
file. When the cluster executes many small jobs concurrently, there will be
many disk related operations, which will
1> Increase the CPU usage of `Dispatcher`
2> Decrease the performance of the jobs in the cluster.
We hope to improve the disk operations in `FileExecutionGraphInfoStore` to
increase the performance of session cluster.
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