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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2015/03/09 08:56:38 UTC
[jira] [Updated] (OAK-2549) Persistent Cache: support append-only
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[ https://issues.apache.org/jira/browse/OAK-2549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thomas Mueller updated OAK-2549:
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Summary: Persistent Cache: support append-only mode (was: Persistent Cache: use append-only mode)
> Persistent Cache: support append-only mode
> ------------------------------------------
>
> Key: OAK-2549
> URL: https://issues.apache.org/jira/browse/OAK-2549
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core
> Reporter: Thomas Mueller
> Assignee: Thomas Mueller
> Fix For: 1.2, 1.1.8, 1.0.13
>
>
> The persistent cache mainly adds data (in some rare cases it overwrites existing entries: the list of child nodes, if more child nodes are read). Because of that, the storage backend (H2 MVStore currently) can operate in append-only mode.
> This should also avoid the following problem: "IllegalStateException: Chunk ... no longer exists [1.4.185/9]". This is probably a bug in H2, where old chunks are removed too early. This error is not (yet) reproducible, but happened while testing.
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