description "Master role applied to karm"
default_attributes(
+ :apt => {
+ :sources => ["postgresql"]
+ },
+ :db => {
+ :cluster => "9.5/main"
+ },
:networking => {
:interfaces => {
:internal_ipv4 => {
}
}
},
+ :postgresql => {
+ :settings => {
+ :defaults => {
+ :shared_buffers => "64GB",
+ :work_mem => "64MB",
+ :maintenance_work_mem => "1GB",
+ :effective_cache_size => "180GB",
+ :effective_io_concurrency => "256",
+ :random_page_cost => "1.1"
+ }
+ }
+ },
+ :sysctl => {
+ :postgres => {
+ :comment => "Increase shared memory for postgres",
+ :parameters => {
+ "kernel.shmmax" => 66 * 1024 * 1024 * 1024,
+ "kernel.shmall" => 66 * 1024 * 1024 * 1024 / 4096
+ }
+ }
+ },
:sysfs => {
:md_tune => {
:comment => "Enable request merging for NVMe devices",
"block/nvme2n1/queue/nomerges" => "1",
"block/nvme3n1/queue/nomerges" => "1",
"block/nvme4n1/queue/nomerges" => "1",
- "block/nvme5n1/queue/nomerges" => "1"
+ "block/nvme5n1/queue/nomerges" => "1",
+ "block/nvme6n1/queue/nomerges" => "1",
+ "block/nvme7n1/queue/nomerges" => "1"
}
}
}
)
run_list(
- "role[ic]"
+ "role[ic]",
+ "role[db-master]",
+ "role[db-backup]"
)