Updating refresh-interval from to – How to solve related issues

Opster Team

Feb-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many errors.

Briefly, this error message indicates that the refresh interval is being updated. The refresh interval controls how often Elasticsearch refreshes the index. To resolve the issue, Elasticsearch should be restarted to apply the updated value.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” Updating refresh-interval from to ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index and shard.

Log Context

Log “updating refresh_interval from [{}] to [{}]” classname is IndexShard.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                     translogConfig.setDurabilty(durabilty);
                }

                TimeValue refreshInterval = settings.getAsTime(INDEX_REFRESH_INTERVAL; IndexShard.this.refreshInterval);
                if (!refreshInterval.equals(IndexShard.this.refreshInterval)) {
                    logger.info("updating refresh_interval from [{}] to [{}]"; IndexShard.this.refreshInterval; refreshInterval);
                    if (refreshScheduledFuture != null) {
                        // NOTE: we pass false here so we do NOT attempt Thread.interrupt if EngineRefresher.run is currently running.
                        // This is
                        // very important; because doing so can cause files to suddenly be closed if they were doing IO when the interrupt
                        // hit.  See https://issues.apache.org/jira/browse/LUCENE-2239




 

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