Discussion:
[mongodb-dev] proper handling of fsync and EIO
MarkCallaghan
2018-04-19 01:48:42 UTC
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PostgreSQL, MyRocks and InnoDB have bugs related to this, but RocksDB is OK.
Is the right thing done by WiredTiger and the replication log

https://www.postgresql.org/message-id/flat/CAMsr%2BYHh%2B5Oq4xziwwoEfhoTZgr07vdGG%2Bhu%3D1adXx59aTeaoQ%40mail.gmail.com#CAMsr+YHh+5Oq4xziwwoEfhoTZgr07vdGG+hu=***@mail.gmail.com

LWN has a story, but it is subscriber only until next week
- https://lwn.net/Articles/752063/
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Alex Gorrod
2018-04-19 02:08:12 UTC
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Thanks for the heads up Mark - WiredTiger does retry fsync calls, so may
have the same issue. I've opened https://jira.mongodb.org/browse/WT-4045 to
track the diagnosis.
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