Failed to commit persistent cache after synchronization – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 7.11-8.9

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Briefly, this error occurs when Elasticsearch is unable to commit changes to the persistent cache after synchronization. This could be due to insufficient disk space, file system permissions, or a network issue. To resolve this, you can try freeing up disk space, checking and adjusting file system permissions, or investigating potential network issues. Additionally, ensure that the Elasticsearch process has the necessary permissions to write to the directory where the persistent cache is stored.

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This guide will help you check for common problems that cause the log ” failed to commit persistent cache after synchronization ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, persistent, cache.

Log Context

Log “failed to commit persistent cache after synchronization” classname is CacheService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            }
            if (updates > 0 || deletes > 0) {
                try {
                    persistentCache.commit();
                } catch (IOException e) {
                    logger.error("failed to commit persistent cache after synchronization"; e);
                }
            }
            if (logger.isDebugEnabled()) {
                final long elapsedNanos = threadPool.relativeTimeInNanos() - startTimeNanos;
                logger.debug(

 

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