[IGNITE-7754] WAL in LOG_ONLY mode doesn't execute fsync on checkpoint begin - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Critical
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 2.5
Component/s: persistence
Labels:
None

Description

On checkpoint begin method IgniteWriteAheadLogManager.fsync(WALPointer ptr) will be called, but it won't actually perform fsync because mode isn't FSYNC. It might lead to LFS corruption if OS or hardware failed until checkpoint had been finished.

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screenshot-2.png
21/Mar/18 14:41
78 kB
Ivan Rakov
screenshot-1.png
21/Mar/18 14:39
77 kB
Ivan Rakov
image-2018-03-20-19-08-42-234.png
20/Mar/18 16:08
78 kB
Ivan Rakov

Issue Links

causes

IGNITE-8057 Execute WAL fsync preventively before checkpoint begin

Open

links to

GitHub Pull Request #3656

Activity

People

Assignee:: Ivan Rakov

Reporter:: Ilya Lantukh

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Dates

Created:: 19/Feb/18 15:37

Updated:: 27/Mar/18 17:15

Resolved:: 27/Mar/18 17:14