wipe shard directories: – How to solve related issues

Opster Team

Feb-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run 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 ” wipe shard directories: ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: shard.

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 “{} wipe shard directories: [{}]” classname is MultiDataPathUpgrader.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         upgradeFiles(shard; targetPath; targetPath.resolveTranslog(); ShardPath.TRANSLOG_FOLDER_NAME; paths);

        logger.info("{} wipe upgraded directories"; shard);
        for (Path path : paths) {
            if (path.equals(targetPath.getShardStatePath()) == false) {
                logger.info("{} wipe shard directories: [{}]"; shard; path);
                IOUtils.rm(path);
            }
        }

        if (FileSystemUtils.files(targetPath.resolveIndex()).length == 0) {




 

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