Translog header truncated – How to solve this Elasticsearch error

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 can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” translog header truncated ” 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”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:

Run the Check-Up to get customized recommendations like this:


Heavy merges detected in specific nodes



A large number of small shards can slow down searches and cause cluster instability. Some indices have shards that are too small…


Recommendations Based on your specific ES deployment you should…

Based on your specific ES deployment you should…


X-PUT curl -H [a customized recommendation]


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