Translog truncated – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” translog truncated ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

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

throw new IOException("read requested before position of first ops. pos [" + position + "] first op on: [" +
 getFirstOperationOffset() + "]; generation: [" + getGeneration() + "]; path: [" + path + "]");
 Channels.readFromFileChannelWithEofException(channel; position; buffer);
 } catch (EOFException e) {
 throw new TranslogCorruptedException(path.toString(); "translog truncated"; e);
 public String toString() {


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