Re: Scaling shared buffer eviction
| От | Amit Kapila |
|---|---|
| Тема | Re: Scaling shared buffer eviction |
| Дата | |
| Msg-id | CAA4eK1KwCmWVjBKD2EWkTqqUDc7CRkAF=tfKD1nL_=SZr1EcNw@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Scaling shared buffer eviction (Thom Brown <thom@linux.com>) |
| Список | pgsql-hackers |
On Tue, Sep 9, 2014 at 3:11 AM, Thom Brown <thom@linux.com> wrote:
> On 5 September 2014 14:19, Amit Kapila <amit.kapila16@gmail.com> wrote:
>> On Fri, Sep 5, 2014 at 5:17 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>> >
>> > Apart from above, I think for this patch, cat version bump is required
>> > as I have modified system catalog. However I have not done the
>> > same in patch as otherwise it will be bit difficult to take performance
>> > data.
>>
>> One regression failed on linux due to spacing issue which is
>> fixed in attached patch.
>
>
> Here's a set of test results against this patch:
Many thanks for taking the performance data. This data clearly shows
> On 5 September 2014 14:19, Amit Kapila <amit.kapila16@gmail.com> wrote:
>> On Fri, Sep 5, 2014 at 5:17 PM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>> >
>> > Apart from above, I think for this patch, cat version bump is required
>> > as I have modified system catalog. However I have not done the
>> > same in patch as otherwise it will be bit difficult to take performance
>> > data.
>>
>> One regression failed on linux due to spacing issue which is
>> fixed in attached patch.
>
>
> Here's a set of test results against this patch:
Many thanks for taking the performance data. This data clearly shows
that there is a performance improvement at even lower configuration,
however the real benefit of the patch can be seen with higher core
m/c and with larger RAM (can contain all the data).
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