Freeze index request failed to be acknowledged – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.6-7.17

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Briefly, this error occurs when Elasticsearch fails to acknowledge a request to freeze an index. Freezing an index makes it read-only and reduces memory usage. This error could be due to insufficient permissions, network issues, or a problem with the index itself. To resolve this, ensure the user has the correct permissions, check the network connectivity, and verify the health of the index. If the index is corrupted, it may need to be repaired or recreated. Also, ensure that the Elasticsearch cluster is not under heavy load, as this could delay or prevent acknowledgement of the request.

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

Log Context

Log “freeze index request failed to be acknowledged” class name is FreezeStep.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 .execute(
 FreezeIndexAction.INSTANCE;
 new FreezeRequest(indexMetadata.getIndex().getName()).masterNodeTimeout(TimeValue.MAX_VALUE);
 ActionListener.wrap(response -> {
 if (response.isAcknowledged() == false) {
 throw new ElasticsearchException("freeze index request failed to be acknowledged");
 }
 listener.onResponse(null);
 }; listener::onFailure)
 );
 }

 

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