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Briefly, this error occurs when OpenSearch is unable to delete a specified repository. This could be due to a variety of reasons such as incorrect repository name, insufficient permissions, or the repository being in use. To resolve this issue, you can verify the repository name, ensure you have the necessary permissions, or check if the repository is currently being used for a snapshot or restore operation. If it is, you may need to wait until the operation is complete before attempting to delete the repository again.
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This guide will help you check for common problems that cause the log ” delete repository [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: repositories, repository, delete.
Quick links
Overview
An OpenSearch snapshot provides a backup mechanism that takes the current state and data in the cluster and saves it to a repository (read snapshot for more information). The backup process requires a repository to be created first. The repository needs to be registered using the _snapshot endpoint, and multiple repositories can be created per cluster. The following repository types are supported:
Repository types
| Repository type | Configuration type |
|---|---|
| Shared file system | Type: “fs” |
| S3 | Type : “s3” |
| HDFS | Type :“hdfs” |
| Azure | Type: “azure” |
| Google Cloud Storage | Type : “gcs” |
Examples
To register an “fs” repository:
PUT _snapshot/my_repo_01
{
"type": "fs",
"settings": {
"location": "/mnt/my_repo_dir"
}
}Notes and good things to know
- S3, HDFS, Azure and Google Cloud require a relevant plugin to be installed before it can be used for a snapshot.
- The setting, path.repo: /mnt/my_repo_dir needs to be added to opensearch.yml on all the nodes if you are planning to use the repo type of file system. Otherwise, it will fail.
- When using remote repositories, the network bandwidth and repository storage throughput should be high enough to complete the snapshot operations normally, otherwise you will end up with partial snapshots.
Overview
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.
Log Context
Log “delete repository [{}]” classname is RepositoriesService.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :
ListrepositoriesMetadata = new ArrayList(repositories.repositories().size()); boolean changed = false; for (RepositoryMetadata repositoryMetadata : repositories.repositories()) { if (Regex.simpleMatch(request.name(); repositoryMetadata.name())) { ensureRepositoryNotInUse(currentState; repositoryMetadata.name()); logger.info("delete repository [{}]"; repositoryMetadata.name()); changed = true; } else { repositoriesMetadata.add(repositoryMetadata); } }
