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(parent: 53140bf) | patch
Fix base backup rate limiting in presence of slow i/o
authorMagnus Hagander <[email protected]>
Mon, 19 Dec 2016 09:11:04 +0000 (10:11 +0100)
committerMagnus Hagander <[email protected]>
Mon, 19 Dec 2016 09:16:02 +0000 (10:16 +0100)
commitbc53d71308a2b4bd8216932fda3e21cec4915ff8
tree15ac0202812743eca9a7d2380561a24f4a3f2228tree
parent53140bf22bc4b361836b68f08a2946a2fd2ab240commit | diff
Fix base backup rate limiting in presence of slow i/o

When source i/o on disk was too slow compared to the rate limiting
specified, the system could end up with a negative value for sleep that
it never got out of, which caused rate limiting to effectively be
turned off.

Discussion: https://postgr.es/m/CABUevEy_-e0YvL4ayoX8bH_Ja9w%2BBHoP6jUgdxZuG2nEj3uAfQ%40mail.gmail.com

Analysis by me, patch by Antonin Houska
src/backend/replication/basebackup.c diff | blob | blame | history
Heikki's random PostgreSQL patches