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Posted to issues@ignite.apache.org by "Maxim Muzafarov (JIRA)" <ji...@apache.org> on 2019/02/24 11:08:00 UTC
[jira] [Updated] (IGNITE-11073) Add Copy-on-Write machinery to the
Checkpoiner
[ https://issues.apache.org/jira/browse/IGNITE-11073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Maxim Muzafarov updated IGNITE-11073:
-------------------------------------
Ignite Flags: (was: Docs Required)
> Add Copy-on-Write machinery to the Checkpoiner
> ----------------------------------------------
>
> Key: IGNITE-11073
> URL: https://issues.apache.org/jira/browse/IGNITE-11073
> Project: Ignite
> Issue Type: Sub-task
> Reporter: Maxim Muzafarov
> Assignee: Maxim Muzafarov
> Priority: Major
> Labels: iep-28
>
> *Checkpointer*
> When the supplier node receives the cache partition file demand request it will send the file over the CommunicationSpi. The cache partition file can be concurrently updated by checkpoint thread during its transmission. To guarantee the file consistency Š”heckpointer must use Copy-on-Write [3] tehnique and save a copy of updated chunk into the temporary file.
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