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Posted to dev@flink.apache.org by "Jun Qin (Jira)" <ji...@apache.org> on 2020/07/24 09:34:00 UTC
[jira] [Created] (FLINK-18702) Flink elasticsearch connector leaks
threads and classloaders thereof
Jun Qin created FLINK-18702:
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Summary: Flink elasticsearch connector leaks threads and classloaders thereof
Key: FLINK-18702
URL: https://issues.apache.org/jira/browse/FLINK-18702
Project: Flink
Issue Type: Bug
Components: Connectors / ElasticSearch
Affects Versions: 1.10.1
Reporter: Jun Qin
Flink elasticsearch connector leaking threads and classloaders thereof. This results in OOM Metaspace when ES sink fails and restarted many times.
This issue is visible in Flink 1.10 but not in 1.11 because Flink 1.11 does not create new class loaders in case of recoveries ([FLINK-16408|https://issues.apache.org/jira/browse/FLINK-16408])
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