[jira] [Resolved] (IGNITE-1778) IGFS: Implement rollback procedure: cleanup the "reserved" data.

["Vladimir Ozerov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-1778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov resolved IGNITE-1778.
-------------------------------------
    Resolution: Won't Fix

No longer relevant.

> IGFS: Implement rollback procedure: cleanup the "reserved" data.
> ----------------------------------------------------------------
>
>                 Key: IGNITE-1778
>                 URL: https://issues.apache.org/jira/browse/IGNITE-1778
>             Project: Ignite
>          Issue Type: Task
>          Components: igfs
>    Affects Versions: 1.6
>            Reporter: Ivan Veselovsky
>            Priority: Major
>
> The following procedure is applied if the file is locked:
> 1) take Node id from the lock Id.
> 2) see via discovery service if this node is alive.
> 3) if yes, return (we cannot lock the file).
> 4) if not: do a rollback:
>  -  delete all the blocks in "reserved" range from the data cache.
>  -  set reserved range to zero.
>  -  remove the lock from the FileInfo. 
> The above procedure should be performed upon every attempt to take a lock, and (may be) periodically while traversing the file system.



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