Translog truncated – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch encounters an issue with the transaction log (translog), which is used to keep track of all operations not yet committed to the index. This could be due to a disk space issue, a sudden shutdown, or corruption. To resolve this, you can try to increase the disk space, ensure a proper shutdown process, or restore from a snapshot. If the issue persists, you may need to recreate the index. Always ensure to have a backup strategy to prevent data loss.

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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.

Log Context

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

 + "]"
 Channels.readFromFileChannelWithEofException(channel; position; buffer);
 } catch (EOFException e) {
 throw new TranslogCorruptedException(path.toString(); "translog truncated"; e);
 }  @Override
 public String toString() {


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