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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2013/12/03 14:52:35 UTC

[jira] [Resolved] (OAK-760) MongoBlobStore: read from a secondary member when possible

     [ https://issues.apache.org/jira/browse/OAK-760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Mueller resolved OAK-760.
--------------------------------

    Resolution: Fixed

Revision 1547390 basic implementation. I only test it with a single MongoDB instances however.

> MongoBlobStore: read from a secondary member when possible
> ----------------------------------------------------------
>
>                 Key: OAK-760
>                 URL: https://issues.apache.org/jira/browse/OAK-760
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: mongomk
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>             Fix For: 0.13
>
>
> Currently, the MongoBlobStore always read from the primary in a replica set.
> To improve read performance, reads should be distributed to all members in a replica set.
> One possible solution is: first try to read the data on any member. If not found, force reading from the primary.
> This is related to OAK-759, but not for the MongoMK (nodes) but for the MongoBlobStore (data store).



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