Re: Sudden insert performance degradation

2020-07-15 Thread Justin Pryzby
On Wed, Jul 15, 2020 at 02:49:16PM -0400, Henrique Montenegro wrote: > Any idea why the actual time is in the 3ms range? If I query that partition > directly, like this: > > As you can see, the `actual_time` when querying the partition table > directly goes to 0.002 which is almost 2000x faster.

Re: Sudden insert performance degradation

2020-07-15 Thread Henrique Montenegro
On Wed, Jul 15, 2020 at 8:24 AM Henrique Montenegro wrote: > > > On Wed, Jul 15, 2020 at 4:03 AM Sebastian Dressler > wrote: > >> Hi Henrique, >> >> On 15. Jul 2020, at 03:13, Henrique Montenegro wrote: >> [...] >> >> ``` >> ssl = off >> shared_buffers = 160GB # min 128kB >> wo

Re: Sudden insert performance degradation

2020-07-15 Thread Henrique Montenegro
On Wed, Jul 15, 2020 at 4:03 AM Sebastian Dressler wrote: > Hi Henrique, > > On 15. Jul 2020, at 03:13, Henrique Montenegro wrote: > [...] > > ``` > ssl = off > shared_buffers = 160GB # min 128kB > work_mem = 96GB # min 64kB > maintenance_work_mem = 12GB

Re: Sudden insert performance degradation

2020-07-15 Thread Sebastian Dressler
Hi Henrique, On 15. Jul 2020, at 03:13, Henrique Montenegro mailto:typ...@gmail.com>> wrote: [...] ``` ssl = off shared_buffers = 160GB # min 128kB work_mem = 96GB # min 64kB maintenance_work_mem = 12GB # min 1MB max_stack_depth = 4MB