Shard didn t fully recover yet – How to solve this OpenSearch exception

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when a shard in OpenSearch hasn’t completed its recovery process. This could be due to a variety of reasons such as network issues, disk space problems, or a heavy indexing load. To resolve this issue, you can try the following: 1) Check the cluster health and ensure all nodes are up and running. 2) Verify there’s enough disk space available. 3) Reduce the indexing load if it’s too high. 4) If the problem persists, consider increasing the recovery speed limit or adjusting the shard allocation settings.

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This guide will help you check for common problems that cause the log ” shard didn’t fully recover yet ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: shard.

Log Context

Log “shard didn’t fully recover yet” class name is We extracted the following from OpenSearch source code for those seeking an in-depth context :

 }  final IndexShardState indexShardState = indexShard.state();
 if (indexShardState == IndexShardState.CREATED || indexShardState == IndexShardState.RECOVERING) {
 // shard has just been created; or still recovering
 throw new IndexShardSnapshotFailedException(shardId; "shard didn't fully recover yet");
 }  final Repository repository = repositoriesService.repository(snapshot.getRepository());
 GatedCloseable wrappedSnapshot = null;
 try {


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