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Posted to oak-issues@jackrabbit.apache.org by "Davide Giannella (JIRA)" <ji...@apache.org> on 2016/01/22 10:21:41 UTC
[jira] [Closed] (OAK-2592) Commit does not ensure w:majority
[ https://issues.apache.org/jira/browse/OAK-2592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Davide Giannella closed OAK-2592.
---------------------------------
Bulk close for 1.3.14
> 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
> Affects Versions: 1.0, 1.2
> Reporter: Marcel Reutegger
> Assignee: Marcel Reutegger
> Labels: candidate_oak_1_0, candidate_oak_1_2, resilience
> Fix For: 1.3.14
>
>
> 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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