Re: speeding up planning with partitions
| От | Jesper Pedersen |
|---|---|
| Тема | Re: speeding up planning with partitions |
| Дата | |
| Msg-id | dcda0c1b-6360-193d-9c94-0113b0b905a1@redhat.com обсуждение исходный текст |
| Ответ на | Re: speeding up planning with partitions (Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>) |
| Ответы |
Re: speeding up planning with partitions
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| Список | pgsql-hackers |
On 3/5/19 5:24 AM, Amit Langote wrote: > Attached an updated version. This incorporates fixes for both Jesper's > and Imai-san's review. I haven't been able to pin down the bug (or > whatever) that makes throughput go down as the partition count increases, > when tested with a --enable-cassert build. > Thanks ! I'm seeing the throughput going down as well, but are you sure it isn't just the extra calls of MemoryContextCheck you are seeing ? A flamegraph diff highlights that area -- sent offline. A non cassert build shows the same profile for 64 and 1024 partitions. Best regards, Jesper
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