name "nominatim"
-description "Role applied to all nominatim servers"
+description "Role applied to all nominatim servers."
default_attributes(
:accounts => {
:twain => { :status => :administrator },
:nominatim => {
:status => :role,
- :members => [ :lonvia, :tomh, :twain ]
- },
+ :members => [:lonvia, :tomh, :twain]
+ }
}
},
:apache => {
:mpm => "event",
:timeout => 60,
:keepalive => false,
+ :reqtimeout => true,
:event => {
- :max_clients => 560,
- :threads_per_child => 35
+ :server_limit => 32,
+ :max_request_workers => 1600,
+ :threads_per_child => 50,
+ :min_spare_threads => 125,
+ :max_spare_threads => 925
}
},
:apt => {
- :sources => [ "ubuntugis-stable", "ubuntugis-unstable" ]
+ :sources => ["postgresql"]
+ },
+ :networking => {
+ :firewall => {
+ :http_rate_limit => "s:7/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"
}
}
: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
}
- }
- },
- :nominatim => {
- :repository => "git://git.openstreetmap.org/nominatim.git",
- :database => {
- :cluster => "9.1/main",
- :dbname => "nominatim"
},
- :fpm_pools => {
- :www => {
- :pm => "dynamic",
- :max_children => "25"
- },
- :bulk => {
- :pm => "static",
- :max_children => "7"
- }
+ :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" => "131072"
+ }
}
}
)
run_list(
- "recipe[nominatim]"
+ "recipe[nominatim::default]"
)