Updating flush-threshold-ops from to – How to solve related issues

Updating flush-threshold-ops 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 can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Updating flush-threshold-ops from to ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: index.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

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

     class ApplySettings implements IndexSettingsService.Listener {
        
Override
        public void onRefreshSettings(Settings settings) {
            int flushThresholdOperations = settings.getAsInt(INDEX_TRANSLOG_FLUSH_THRESHOLD_OPS; TranslogService.this.flushThresholdOperations);
            if (flushThresholdOperations != TranslogService.this.flushThresholdOperations) {
                logger.info("updating flush_threshold_ops from [{}] to [{}]"; TranslogService.this.flushThresholdOperations; flushThresholdOperations);
                TranslogService.this.flushThresholdOperations = flushThresholdOperations;
            }
            ByteSizeValue flushThresholdSize = settings.getAsBytesSize(INDEX_TRANSLOG_FLUSH_THRESHOLD_SIZE; TranslogService.this.flushThresholdSize);
            if (!flushThresholdSize.equals(TranslogService.this.flushThresholdSize)) {
                logger.info("updating flush_threshold_size from [{}] to [{}]"; TranslogService.this.flushThresholdSize; flushThresholdSize);



 

Run the Check-Up to get a customized report like this:

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