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From "Ivan Veselovsky (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-1298) Data and Meta in IGFS should be updated in one transaction.
Date Wed, 26 Aug 2015 17:32:46 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-1298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14715203#comment-14715203

Ivan Veselovsky commented on IGNITE-1298:

The solution plan looks like the following: make data and meta update synchronous and pack
them into one transaction.
Key methods are: 

> Data and Meta in IGFS should be updated in one transaction.
> -----------------------------------------------------------
>                 Key: IGNITE-1298
>                 URL: https://issues.apache.org/jira/browse/IGNITE-1298
>             Project: Ignite
>          Issue Type: Bug
>          Components: general
>    Affects Versions: ignite-1.4
>            Reporter: Ivan Veselovsky
>            Assignee: Ivan Veselovsky
>             Fix For: ignite-1.4
> Tests written to check behavior IGNITE-1277 revealed problems on file data writing when
some nodes have left the topology (see tests added in IGNITE-1277). 
> In particular, meta data and file data are processed in separate transactions. So, one
can complete while another may not. To fix that we need to link them together in one transaction.
> In more detail, this means that blocks writing and appropriate file size update should
happen in one transaction.

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