Failed to delete temp file – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.2

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Briefly, this error occurs when Elasticsearch is unable to delete a temporary file. This could be due to insufficient permissions, a locked file, or a disk space issue. To resolve this, you can manually delete the file if it’s not in use, ensure that Elasticsearch has the necessary permissions to delete files, or free up disk space. Additionally, check if any process is locking the file and terminate it if necessary.

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

Log Context

Log “failed to delete temp file {}” classname is Translog.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        } finally {
            if (tempFileRenamed == false) {
                try {
                    Files.delete(tempFile);
                } catch (IOException ex) {
                    logger.warn(() -> new ParameterizedMessage("failed to delete temp file {}"; tempFile); ex);
                }
            }
        }
    }

 

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