:defaults => {
:max_connections => "450",
:synchronous_commit => "off",
- :checkpoint_segments => "32",
:checkpoint_timeout => "10min",
:checkpoint_completion_target => "0.9",
:jit => "off",
:autovacuum_max_workers => "1",
:max_parallel_workers_per_gather => "0",
:maintenance_work_mem => "10GB",
- :random_page_cost => "1.5",
- :effective_cache_size => "60GB"
+ :seq_page_cost => "3.0",
+ :random_page_cost => "3.0",
+ :effective_cache_size => "60GB",
+ :wal_level => "minimal",
+ :max_wal_senders => "0"
}
}
},
"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 => {
"iaux" => "/ssd/tablespaces/iaux"
}
}
-
)
run_list(