X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/a7d96c8358a00088b485fadb5966eb4b231d2ff1..fcae5b467309b9a87f4ea0127757cc65cb1c0517:/roles/nominatim.rb diff --git a/roles/nominatim.rb b/roles/nominatim.rb index 401f1f755..cb6866542 100644 --- a/roles/nominatim.rb +++ b/roles/nominatim.rb @@ -1,34 +1,46 @@ name "nominatim" -description "Role applied to all nominatim servers" +description "Role applied to all nominatim servers." default_attributes( :accounts => { :users => { :lonvia => { :status => :administrator }, - :twain => { :status => :administrator } + :twain => { :status => :administrator }, + :nominatim => { + :status => :role, + :members => [:lonvia, :tomh, :twain] + } } }, :apache => { :mpm => "event", - :timeout => 60, + :timeout => 30, :keepalive => false, + :reqtimeout => true, :event => { - :max_clients => 560, - :threads_per_child => 35 + :server_limit => 100, + :max_request_workers => 2400, + :threads_per_child => 50, + :min_spare_threads => 125, + :max_spare_threads => 925, + :async_request_worker_factor => 4, + :listen_cores_buckets_ratio => 6 } }, - :apt => { - :sources => [ "ubuntugis-stable", "ubuntugis-unstable" ] + :networking => { + :firewall => { + :http_rate_limit => "s:2/sec:15" + } }, :postgresql => { - :versions => [ "9.1" ], :settings => { :defaults => { :max_connections => "450", :synchronous_commit => "off", - :checkpoint_segments => "50", + :checkpoint_segments => "32", :checkpoint_timeout => "10min", :checkpoint_completion_target => "0.9", + :shared_buffers => "2GB", :autovacuum_max_workers => "1" } } @@ -36,14 +48,39 @@ default_attributes( :sysctl => { :postgres => { :comment => "Increase shared memory for postgres", - :parameters => { - "kernel.shmmax" => 16 * 1024 * 1024 * 1024, - "kernel.shmall" => 16 * 1024 * 1024 * 1024 / 4096 + :parameters => { + "kernel.shmmax" => 26 * 1024 * 1024 * 1024, + "kernel.shmall" => 26 * 1024 * 1024 * 1024 / 4096 + } + }, + :kernel_scheduler_tune => { + :comment => "Tune kernel scheduler preempt", + :parameters => { + "kernel.sched_min_granularity_ns" => 10000000, + "kernel.sched_wakeup_granularity_ns" => 15000000 + } + }, + :swappiness => { + :comment => "Reduce swap usage", + :parameters => { + "vm.swappiness" => 10 + } + }, + :network_conntrack_time_wait => { + :comment => "Only track completed connections for 30 seconds", + :parameters => { + "net.netfilter.nf_conntrack_tcp_timeout_time_wait" => "30" + } + }, + :network_conntrack_max => { + :comment => "Increase max number of connections tracked", + :parameters => { + "net.netfilter.nf_conntrack_max" => "196608" } } } ) run_list( - "recipe[nominatim]" + "recipe[nominatim::default]" )