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
Branch
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REL9_5_STABLE
Details
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http://git.postgresql.org/pg/commitdiff/bc53d71308a2b4bd8216932fda3e21cec4915ff8
Modified Files
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src/backend/replication/basebackup.c | 24 +++++++-----------------
1 file changed, 7 insertions(+), 17 deletions(-)
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