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Posted to issues@ignite.apache.org by "Maxim Muzafarov (JIRA)" <ji...@apache.org> on 2019/01/25 07:48:00 UTC
[jira] [Created] (IGNITE-11073) Add Copy-on-Write machinery to the
Checkpoiner
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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