default_attributes(
:devices => {
- :ubuntu => {
- :comment => "RAID array backing the ubuntu volume group",
+ :areca_ld_tune => {
+ :comment => "RAID arrays on areca",
:type => "block",
:bus => "scsi",
- :serial => "20004d927fffff800",
+ :serial => "20004d927fffff*",
:attrs => {
- "queue/scheduler" => "deadline"
+ "queue/scheduler" => "deadline",
+ "queue/read_ahead_kb" => "2048"
}
},
- :nominatim => {
- :comment => "RAID array backing the nominatim volume group",
+ :ssd_samsung_tune => {
+ :comment => "Tune Samsung SSD",
:type => "block",
- :bus => "scsi",
- :serial => "20004d927fffff801",
+ :bus => "ata",
+ :serial => "Samsung_SSD_840_PRO_Series_*",
:attrs => {
- "queue/scheduler" => "deadline"
+ "queue/scheduler" => "noop",
+ "queue/nr_requests" => "256",
+ "queue/read_ahead_kb" => "2048"
}
- },
- :nominatim2 => {
- :comment => "RAID array backing the nominatim2 volume group",
- :type => "block",
- :bus => "scsi",
- :serial => "20004d927fffff802",
- :attrs => {
- "queue/scheduler" => "deadline"
+ }
+ },
+ :sysfs => {
+ :md_tune => {
+ :comment => "Tune the md sync performance so as not to kill system performance",
+ :parameters => {
+ "block/md0/md/sync_speed_min" => "100",
+ "block/md0/md/sync_speed_max" => "100000"
}
}
},
:postgresql => {
:settings => {
:defaults => {
- :shared_buffers => "12GB",
+ :shared_buffers => "24GB",
:work_mem => "160MB",
:maintenance_work_mem => "10GB",
:random_page_cost => "1.5",
:effective_cache_size => "48GB"
}
}
+ },
+ :nominatim => {
+ :fpm_pools => {
+ :www => {
+ :pm => "dynamic",
+ :max_children => "70"
+ },
+ :bulk => {
+ :pm => "static",
+ :max_children => "10"
+ }
+ }
+ },
+ :munin => {
+ :plugins => {
+ :sensors_volt => {
+ :volt6 => {
+ :warning => "2.992:3.536"
+ },
+ :volt10 => {
+ :warning => "2.71:3.29"
+ }
+ }
+ }
}
)