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Posted to oak-issues@jackrabbit.apache.org by "Tomek Rękawek (JIRA)" <ji...@apache.org> on 2018/09/08 14:14:00 UTC

[jira] [Created] (OAK-7744) Persistent cache for the Segment Node Store

Tomek Rękawek created OAK-7744:
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             Summary: Persistent cache for the Segment Node Store
                 Key: OAK-7744
                 URL: https://issues.apache.org/jira/browse/OAK-7744
             Project: Jackrabbit Oak
          Issue Type: Story
          Components: segment-tar
            Reporter: Tomek Rękawek
             Fix For: 1.10


With the introduction of custom, remote persistence mechanisms for the SegmentMK (namely the Azure Segment Store), it makes sense to create another level of cache, apart from the on-heap segment cache which is currently used.

Let's implement the persistent cache, using the existing {{TarFiles}} class and storing the processed segments on disk. It may be created as a pass-through {{SegmentNodeStorePersistence}} implementation, so it can be composed with other existing persistence implementations, eg. [split persistence|OAK-7735].



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