Timed out waiting for mapping updates – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-7.15

Briefly, this error occurs when Elasticsearch takes too long to update its index mappings, possibly due to heavy indexing load or insufficient resources. To resolve this, you can increase the timeout value for mapping updates, reduce the indexing load, or scale up your Elasticsearch cluster to provide more resources. Additionally, ensure that your mappings are not overly complex, as this can also slow down updates.

This guide will help you check for common problems that cause the log ” timed out waiting for mapping updates ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: mapping, indices, recovery.

Log Context

Log “timed out waiting for mapping updates” class name is PeerRecoveryTargetService.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }  @Override
 public void onTimeout(TimeValue timeout) {
 // note that we do not use a timeout (see comment above)
 listener.onFailure(new ElasticsearchTimeoutException("timed out waiting for mapping updates " +
 "(timeout [" + timeout + "])"));
 }
 });
 };
 final IndexMetadata indexMetadata = clusterService.state().metadata().index(request.shardId().getIndex());

 

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