Failed to renew sync commit – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.17

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Briefly, this error occurs when Elasticsearch is unable to renew a sync commit due to issues like network problems, disk space issues, or node failures. To resolve this, you can check your network connectivity, ensure there’s enough disk space, and verify the health of your nodes. If the issue persists, consider increasing the timeout value or reducing the load on your Elasticsearch cluster.

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This guide will help you check for common problems that cause the log ” failed to renew sync commit ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.

Log Context

Log “failed to renew sync commit” class name is InternalEngine.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 lastCommittedSegmentInfos = store.readLastCommittedSegmentsInfo();
 renewed = true;
 }
 } catch (IOException ex) {
 maybeFailEngine("renew sync commit"; ex);
 throw new EngineException(shardId; "failed to renew sync commit"; ex);
 }
 if (renewed) {
 // refresh outside of the write lock
 // we have to refresh internal reader here to ensure we release unreferenced segments.
 refresh("renew sync commit"; SearcherScope.INTERNAL; true);

 

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