[jira] [Created] (IGNITE-2820) IGFS: Ensure that all participating IDs are locked right after TX start.

[Anton Vinogradov (Jira)]

Vladimir Ozerov created IGNITE-2820:
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             Summary: IGFS: Ensure that all participating IDs are locked right after TX start.
                 Key: IGNITE-2820
                 URL: https://issues.apache.org/jira/browse/IGNITE-2820
             Project: Ignite
          Issue Type: Task
          Components: IGFS
    Affects Versions: 1.5.0.final
            Reporter: Vladimir Ozerov
            Priority: Critical
             Fix For: 1.7


*Problem*
Sometimes we have to create new entries during some operation on metadata. If we do not lock this ID along with other participating IDs right after TX start, subsequent cache operation on this ID will result in network calls to block this key on other nodes.

*Solution*
Create potentially new key before entering TX and lock it with other keys. This should decrease number of network calls.



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