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Posted to dev@sling.apache.org by "Timothee Maret (Jira)" <ji...@apache.org> on 2020/05/29 20:52:00 UTC

[jira] [Resolved] (SLING-9482) Seed the cache from offset persisted in the source repository

     [ https://issues.apache.org/jira/browse/SLING-9482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Timothee Maret resolved SLING-9482.
-----------------------------------
    Resolution: Fixed

> Seed the cache from offset persisted in the source repository
> -------------------------------------------------------------
>
>                 Key: SLING-9482
>                 URL: https://issues.apache.org/jira/browse/SLING-9482
>             Project: Sling
>          Issue Type: Bug
>          Components: Content Distribution
>            Reporter: Timothee Maret
>            Assignee: Timothee Maret
>            Priority: Major
>             Fix For: Content Distribution Journal Core 0.1.16
>
>
> The approach taken in SLING-9460 to avoid sending seeding messages does not address some scenarios like publishing content without subscriber agents. Without subscriber agents.
> To be sure we always have a recent seed available, we should persist seed offsets in the source repository (typ. author) and seed caches from it. We do have the local store class that allows to easily write the offsets in the repository. To not stress the repository too much, we should batch those writes (e.g. 1 offset update every 10 package processed). To support a cluster, the writes must be initiated only from the cluster leader instance.  



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