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Posted to oak-issues@jackrabbit.apache.org by "Vinod Holani (JIRA)" <ji...@apache.org> on 2019/07/01 08:41:00 UTC

[jira] [Created] (OAK-8449) LastRev check/fix in DocumentNodeStore MBean

Vinod Holani created OAK-8449:
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             Summary: LastRev check/fix in DocumentNodeStore MBean
                 Key: OAK-8449
                 URL: https://issues.apache.org/jira/browse/OAK-8449
             Project: Jackrabbit Oak
          Issue Type: Task
          Components: documentmk
            Reporter: Vinod Holani


There is existing tooling to check _lastRev consistency of documents in the DocumentStore. Some of the tooling is limited to MongoDB because it is implemented as utility functions for the MongoDB shell ([oak-mongo.js|https://jackrabbit.apache.org/oak/docs/oak-mongo-js/oak.html]). The oak-run [recovery|https://github.com/apache/jackrabbit-oak/tree/trunk/oak-run#recovery-mode] command was initially only available on MongoDB as well, but recently RDB support was added (OAK-8004). The recovery command however has some drawbacks. It scans the entire nodes collection, which can be a rather expensive operation and when started in read-write mode.

This improvement is about adding _lastRev check and fix functionality to the DocumentNodeStore MBean. The scope of the check and fix would be limited to some path(s) in order to keep the runtime of the operation low.



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