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From "Michael Marth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OAK-2592) Commit does not ensure w:majority
Date Thu, 26 Mar 2015 20:55:56 GMT

     [ https://issues.apache.org/jira/browse/OAK-2592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Marth updated OAK-2592:
-------------------------------
    Fix Version/s:     (was: 1.4)
                   1.3.1

> Commit does not ensure w:majority
> ---------------------------------
>
>                 Key: OAK-2592
>                 URL: https://issues.apache.org/jira/browse/OAK-2592
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: core, mongomk
>            Reporter: Marcel Reutegger
>            Assignee: Marcel Reutegger
>             Fix For: 1.3.1
>
>
> The MongoDocumentStore uses {{findAndModify()}} to commit a transaction. This operation
does not allow an application specified write concern and always uses the MongoDB default
write concern {{Acknowledged}}. This means a commit may not make it to a majority of a replica
set when the primary fails. From a MongoDocumentStore perspective it may appear as if a write
was successful and later reverted. See also the test in OAK-1641.
> To fix this, we'd probably have to change the MongoDocumentStore to avoid {{findAndModify()}}
and use {{update()}} instead.



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