Timed out while waiting for a dynamic mapping update – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch takes too long to update the mapping dynamically. This could be due to heavy indexing load, slow disk I/O, or insufficient resources. To resolve this issue, you can: 1) Increase the timeout value for dynamic mapping updates. 2) Optimize your indexing operations to reduce load. 3) Predefine your mappings instead of relying on dynamic mapping. 4) Upgrade your hardware or allocate more resources to Elasticsearch if resource constraints are causing the delay.

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

Log Context

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

 mappingUpdateListener.onFailure(new NodeClosedException(clusterService.localNode()));
 }  @Override
 public void onTimeout(TimeValue timeout) {
 mappingUpdateListener.onFailure(new MapperException("timed out while waiting for a dynamic mapping update"));
 }); listener; threadPool; executor(primary); postWriteRefresh; postWriteAction);
 }  @Override


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