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

Opster Team

Aug-23, Version: 8.4-8.6

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Briefly, this error occurs when Elasticsearch is unable to queue an Index Lifecycle Management (ILM) history item in a specific index. This could be due to insufficient disk space, a configuration issue, or a problem with the ILM policy. To resolve this issue, you can check and free up disk space, review and correct the ILM policy, or check the Elasticsearch configuration for any errors. Additionally, ensure that the Elasticsearch cluster is healthy and functioning properly.

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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 [%s]: [%s] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index, queue, plugin.

Log Context

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

                        e
                    );
                }
            });
        } catch (IOException exception) {
            logger.error(() -> format("failed to queue ILM history item in index [%s]: [%s]"; ILM_HISTORY_DATA_STREAM; item); exception);
        }
    }

    @Override
    public void close() {

 

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