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From "Maxim Muzafarov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-11073) Add Copy-on-Write machinery to the Checkpoiner
Date Fri, 25 Jan 2019 07:48:00 GMT
Maxim Muzafarov created IGNITE-11073:
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             Summary: 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


*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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