| From: | Magnus Hagander <magnus(at)hagander(dot)net> |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql: Fix base backup rate limiting in presence of slow i/o |
| Date: | 2016-12-19 09:17:35 |
| Message-ID: | E1cIu4d-0008UK-5G@gemulon.postgresql.org |
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| Lists: | pgsql-committers |
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
------
REL9_6_STABLE
Details
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http://git.postgresql.org/pg/commitdiff/1c8ad594e5cb46952bd70f8a0f2f8681912dc223
Modified Files
--------------
src/backend/replication/basebackup.c | 24 +++++++-----------------
1 file changed, 7 insertions(+), 17 deletions(-)
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