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zulip/puppet/zulip_ops/files/postgresql/40-postgresql.conf.master
Tim Abbott 36e336edc3 puppet: Rename zulip_internal to zulip_ops.
The old "zulip_internal" name was from back when Zulip, Inc. had two
distributions of Zulip, the enterprise distribution in puppet/zulip/
and the "internal" SAAS distribution in puppet/zulip_internal.  I
think the name is a bit confusing in the new fully open-source Zulip
work, so we're replacing it with "zulip_ops".  I don't think the new
name is perfect, but it's better.

In the following commits, we'll delete a bunch of pieces of Zulip,
Inc.'s infrastructure that don't exist anymore and thus are no longer
useful (e.g. the old Trac configuration), with the goal of cleaning
the repository of as much unnecessary content as possible.
2016-10-16 19:23:27 -07:00

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# Shared memory settings
# Maximum total size of shared memory in pages (normally 4096 bytes)
kernel.shmall = 6553600
# Maximum size of shared memory segment in bytes
kernel.shmmax = 26843545600
# Virtual memory settings
vm.swappiness = 0
vm.overcommit_memory = 2
# We don't want these numbers to be too large or else performance
# will be too spiky. These seem to give a good balance between low
# numbers and sequential write performance
vm.dirty_ratio = 5
vm.dirty_background_ratio = 2