[jira] [Created] (FLINK-14166) Reuse cache from previous history server run

[Shang Yuanchun (Jira)]

David Moravek created FLINK-14166:
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             Summary: Reuse cache from previous history server run
                 Key: FLINK-14166
                 URL: https://issues.apache.org/jira/browse/FLINK-14166
             Project: Flink
          Issue Type: Improvement
            Reporter: David Moravek


Currently history server is not able to reuse cache from previous run, even when `historyserver.web.tmpdir` is set. It could simply "warm up" cached job ids set, from previously parsed jobs.

https://github.com/apache/flink/blob/master/flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/history/HistoryServerArchiveFetcher.java#L129

This should be configurable, so it does not break backward compatibility.



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