How To Solve Issues Related to Log – Dangled index directory name is ; state name is ; renaming to directory name

How To Solve Issues Related to Log – Dangled index directory name is ; state name is ; renaming to directory name

Updated: Feb-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Dangled index directory name is ; state name is ; renaming to directory name” it’s important to understand a few problems related to Elasticsearch concepts dangled, dangling, index, indices. See bellow important tips and explanations on these concepts

Log Context

Log”dangled index directory name is [{}]; state name is [{}]; renaming to directory name” classname is DanglingIndicesState.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 try {
                    IndexMetaData indexMetaData = metaStateService.loadIndexState(indexName);
                    if (indexMetaData != null) {
                        logger.info("[{}] dangling index; exists on local file system; but not in cluster metadata; auto import to cluster state"; indexName);
                        if (!indexMetaData.getIndex().equals(indexName)) {
                            logger.info("dangled index directory name is [{}]; state name is [{}]; renaming to directory name"; indexName; indexMetaData.getIndex());
                            indexMetaData = IndexMetaData.builder(indexMetaData).index(indexName).build();
                        }
                        newIndices.put(indexName; indexMetaData);
                    } else {
                        logger.debug("[{}] dangling index directory detected; but no state found"; indexName);




Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 how to rename an index in a cluster? 89.28 K 103

   

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