Translog header 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 Error Check-Up which analyzes 2 JSON files to detect many configuration 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 ” translog header truncated ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.

Log Context

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

" this translog file belongs to a different translog");
 return new TranslogHeader(translogUUID; primaryTerm; headerSizeInBytes);
 } catch (EOFException e) {
 throw new TranslogCorruptedException(path.toString(); "translog header truncated"; e);
 private static void tryReportOldVersionError(final Path path; final FileChannel channel) throws IOException {
 // Lucene's CodecUtil writes a magic number of 0x3FD76C17 with the header; in binary this looks like:


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