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 => {
:timeout => 60,
:keepalive => false,
:event => {
- :max_clients => 560,
- :threads_per_child => 35
+ :server_limit => 32,
+ :max_clients => 1600,
+ :threads_per_child => 50
}
},
:apt => {
- :sources => [ "ubuntugis-stable", "ubuntugis-unstable" ]
+ :sources => ["postgresql"]
},
: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
+ }
+ },
+ :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]"
)