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Posted to issues@ignite.apache.org by "Maxim Muzafarov (Jira)" <ji...@apache.org> on 2019/10/10 12:47:00 UTC
[jira] [Updated] (IGNITE-11073) Take consistent cache partitions
snapshot
[ https://issues.apache.org/jira/browse/IGNITE-11073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Maxim Muzafarov updated IGNITE-11073:
-------------------------------------
Fix Version/s: 2.9
> Take consistent cache partitions snapshot
> -----------------------------------------
>
> 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
> Fix For: 2.9
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> *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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