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Allow background writing to be shut down by setting limit values to zero.

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This does not disable the bgwriter process: it still has to wake up often
enough to collect fsync requests from backends in a timely fashion.  But
it responds to the recent gripe about not being able to prevent the disk
from being spun up constantly.
This commit is contained in:
Tom Lane
2004-10-17 22:01:51 +00:00
parent bdbe9c9f06
commit 4347cc2392
4 changed files with 20 additions and 12 deletions
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6
src/backend/utils/misc/postgresql.conf.sample
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@ -98,9 +98,9 @@
# - Background writer -
#bgwriter_delay = 200 # 10-5000 milliseconds
#bgwriter_percent = 1 # 1-100% of dirty buffers
#bgwriter_maxpages = 100 # 1-1000 buffers max at once
#bgwriter_delay = 200 # 10-10000 milliseconds between rounds
#bgwriter_percent = 1 # 0-100% of dirty buffers in each round
#bgwriter_maxpages = 100 # 0-1000 buffers max per round
#---------------------------------------------------------------------------