Timeout while blocking operations after new TimeValue timeout timeUnit – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.7-8.9

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Briefly, this error occurs when an operation in Elasticsearch exceeds the specified timeout limit. This could be due to heavy indexing, slow queries, or insufficient resources. To resolve this, you can increase the timeout limit, optimize your queries for better performance, or scale up your Elasticsearch cluster to handle more load. Additionally, ensure your hardware resources like CPU, memory, and disk space are sufficient and not over-utilized.

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This guide will help you check for common problems that cause the log ” timeout while blocking operations after [” + new TimeValue(timeout; timeUnit) + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: shard, index.

Log Context

Log “timeout while blocking operations after [” + new TimeValue(timeout; timeUnit) + “]” class name is IndexShardOperationPermits.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 return Releasables.releaseOnce(() -> {
 assert semaphore.availablePermits() == 0;
 semaphore.release(TOTAL_PERMITS);
 });
 } else {
 throw new ElasticsearchTimeoutException("timeout while blocking operations after [" + new TimeValue(timeout; timeUnit) + "]");
 }
 }  private void releaseDelayedOperations() {
 final List> queuedActions;

 

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