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Elasticsearch Error Guide In Page Navigation :
Troubleshooting Background – start here to get the full picture
Related Issues – selected resources on related issues
Log Context – usefull for experts
About Opster – offering a diffrent approach to troubleshoot Elasticsearch
Troubleshooting background
To troubleshoot Elasticsearch log “Failed to delete shard snapshot file” it’s important to know common problems related to Elasticsearch concepts: blobstore, delete, discovery-file, repositories, repository-azure, shard, snapshot. See below-detailed explanations complete with common problems, examples and useful tips.
DELETE Elasticsearch API
What is it
DELETE is an Elasticsearch API which removes a document from a specific index. This API requires an index name and _id document to delete the document.
Delete a document
DELETE /my_index/_doc/1
Notes
- A delete request throws 404 error code if the document does not already exist in the index.
- If you want to delete a set of documents that matches a query, you need to use delete by query API.
Related issues to this log
To help troubleshoot related issues we have gathered selected Q&A from the community and issues from Github , please review the following for further information :
Github Issue Number 27061
github.com/elastic/elasticsearch/issues/27061
Github Issue Number 23716
github.com/elastic/elasticsearch/issues/23716
Log Context
Log ”Failed to delete shard snapshot file” classname is BlobStoreRepository.java
We have extracted the following from Elasticsearch source code to get an in-depth context :
<pre class="wp-block-syntaxhighlighter-code"> int fileListGeneration = tuple.v2();
try {
indexShardSnapshotFormat.delete(blobContainer; snapshotId.getUUID());
} catch (IOException e) {
logger.warn(new ParameterizedMessage("[{}] [{}] failed to delete shard snapshot file"; shardId; snapshotId); e);
}
// Build a list of snapshots that should be preserved
List<SnapshotFiles> newSnapshotsList = new ArrayList<>();
for (SnapshotFiles point : snapshots) {
</pre>
About Opster
Incorporating deep knowledge and broad history of Elasticsearch issues. Opster’s solution identifies and predicts root causes of Elasticsearch problems, provides recommendations and can automatically perform various actions to manage, troubleshoot and prevent issues
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