Failed to queue ILM history item in index – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.6-7.15

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Briefly, this error occurs when Elasticsearch is unable to queue an Index Lifecycle Management (ILM) history item in the index. This could be due to insufficient disk space, a heavy load on the cluster, or a configuration issue. To resolve this, you can try freeing up disk space, reducing the load on the cluster by optimizing your queries or increasing the cluster’s resources. Additionally, check your ILM policies and configurations to ensure they are set up correctly.

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This guide will help you check for common problems that cause the log ” failed to queue ILM history item in index [{}]: [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: queue, index, plugin.

Log Context

Log “failed to queue ILM history item in index [{}]: [{}]” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                    logger.error(new ParameterizedMessage("failed add ILM history item to queue for index [{}]: [{}]";
                        ILM_HISTORY_DATA_STREAM; item); e);
        } catch (IOException exception) {
            logger.error(new ParameterizedMessage("failed to queue ILM history item in index [{}]: [{}]";
                ILM_HISTORY_DATA_STREAM; item); exception);



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