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puppet: Tweak Postgres master tunables for its hardware

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(imported from commit 8644e82d00944203728a3214b2141f778e1c54ed)
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Zev Benjamin
2013-04-17 16:14:20 -04:00
parent 336db5c709
commit e7cdea1c43
2 changed files with 17 additions and 13 deletions
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4
servers/puppet/modules/humbug/files/postgresql/30-postgresql-shm.conf.master
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@@ -9,5 +9,5 @@
# Maximum total size of shared memory in pages (normally 4096 bytes) # Maximum total size of shared memory in pages (normally 4096 bytes)
#kernel.shmall = 2097152 #kernel.shmall = 2097152
kernel.shmall = 1703936 kernel.shmall = 6553600
kernel.shmmax = 6979321856 kernel.shmmax = 26843545600

26
servers/puppet/modules/humbug/files/postgresql/postgresql.conf.master
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@@ -554,18 +554,22 @@ default_text_search_config = 'pg_catalog.english'
#------------------------------------------------------------------------------ #------------------------------------------------------------------------------
#custom_variable_classes = '' # list of custom variable class names #custom_variable_classes = '' # list of custom variable class names
maintenance_work_mem = 448MB # pgtune wizard 2012-12-12 maintenance_work_mem = 1GB # pgtune wizard 2013-04-12
checkpoint_completion_target = 0.7 # pgtune wizard 2012-12-12 checkpoint_completion_target = 0.7 # pgtune wizard 2013-04-12
effective_cache_size = 5632MB # pgtune wizard 2012-12-12 effective_cache_size = 22GB # pgtune wizard 2013-04-12
work_mem = 36MB # pgtune wizard 2012-12-12 work_mem = 160MB # pgtune wizard 2013-04-12
wal_buffers = 4MB # pgtune wizard 2012-12-12 wal_buffers = 4MB # pgtune wizard 2013-04-12
checkpoint_segments = 8 # pgtune wizard 2012-12-12 checkpoint_segments = 8 # pgtune wizard 2013-04-12
shared_buffers = 1792MB # pgtune wizard 2012-12-12 shared_buffers = 7680MB # pgtune wizard 2013-04-12
max_connections = 200 # pgtune wizard 2012-12-12 max_connections = 200 # pgtune wizard 2013-04-12
timezone = 'UTC' timezone = 'UTC'
# EBS supposedly has very similar sequential and random access performance # From http://www.databasesoup.com/2012/05/random-page-cost-revisited.html
random_page_cost = 1.1 # This needs actual measurement, as bonnie++ random seek latency is
# actually a read/write test
random_page_cost = 2.0
effective_io_concurrency = 2 # As suggested by Postgres manual, set to number of disks in RAID
listen_addresses = '*' listen_addresses = '*'
log_destination = 'stderr' log_destination = 'stderr'
@@ -582,7 +586,7 @@ log_autovacuum_min_duration = 100
# Master replication settings (ignored on standby) # Master replication settings (ignored on standby)
wal_level = hot_standby wal_level = hot_standby
max_wal_senders = 2 max_wal_senders = 5
archive_mode = on archive_mode = on
archive_command = 'cp -f %p /var/lib/postgresql/9.1/main/archive/%f </dev/null' archive_command = 'cp -f %p /var/lib/postgresql/9.1/main/archive/%f </dev/null'