Ivan Veselovsky created IGNITE-1778:
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Summary: IGFS: implement rollback procedure: cleanup the
"reserved" data.
Key: IGNITE-1778
URL: https://issues.apache.org/jira/browse/IGNITE-1778
Project: Ignite
Issue Type: Sub-task
Reporter: Ivan Veselovsky
Assignee: Ivan Veselovsky
The following procedure is applied if the file is locked:
1) take Node id from the lock Id.
2) see via discovery service if this node is alive.
3) if yes, return (we cannot lock the file).
4) if not: do a rollback:
- delete all the blocks in "reserved" range from the data cache.
- set reserved range to zero.
- remove the lock from the FileInfo.
The above procedure should be performed upon every attempt to take a lock, and
(may be) periodically while traversing the file system.
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