Datafeed for – 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.

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 ” Datafeed for ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Datafeed for [” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                    } catch (DatafeedJob.EmptyDataCountException e) {
                        int emptyDataCount = holder.problemTracker.reportEmptyDataCount();
                        if (e.haveEverSeenData == false && holder.shouldStopAfterEmptyData(emptyDataCount)) {
                            logger.warn("Datafeed for [" + jobId + "] has seen no data in [" + emptyDataCount
                                + "] attempts; and never seen any data previously; so stopping...");
                            // In this case we auto-close the job; as though a lookback-only datafeed stopped
                            holder.stop("no_data"; TimeValue.timeValueSeconds(20); e; true);


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