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From "Davide Giannella (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OAK-5602) avoid missing journal entries
Date Mon, 03 Jul 2017 11:23:00 GMT

     [ https://issues.apache.org/jira/browse/OAK-5602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Davide Giannella updated OAK-5602:
----------------------------------
    Fix Version/s:     (was: 1.7.3)
                   1.7.4

> avoid missing journal entries
> -----------------------------
>
>                 Key: OAK-5602
>                 URL: https://issues.apache.org/jira/browse/OAK-5602
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.6.0
>            Reporter: Stefan Egli
>             Fix For: 1.8, 1.7.4
>
>
> As a follow up of OAK-5601: that one is about a situation where backgroundRead falls
way behind and journal GC cleans up journal entries before it was able to read it. We should
generally look into improving this situation, eg by having journal GC not do the clean up
as long as there are instances that haven't read the entry. This could perhaps be achieved
by periodically having each instance inform the rest about what journal entries it has processed
(or simpler: how far back it would be -find- fine for journal entries to be GC'ed)



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