Re: Speed up Clog Access by increasing CLOG buffers

On Wed, Mar 16, 2016 at 11:57 PM, Jesper Pedersen <jesper.pedersen@redhat.com> wrote:
>
> On 03/15/2016 01:17 AM, Amit Kapila wrote:
>>
>> I have updated the comments and changed the name of one of a variable from
>> "all_trans_same_page" to "all_xact_same_page" as pointed out offlist by
>> Alvaro.
>>
>>
>
> I have done a run, and don't see any regressions.
>

Can you provide the details of test, like is this pgbench read-write test and if possible steps for doing test execution.

I wonder if you can do the test with unlogged tables (if you are using pgbench, then I think you need to change the Create Table command to use Unlogged option).
 
>
> Intel Xeon 28C/56T @ 2GHz w/ 256GB + 2 x RAID10 (data + xlog) SSD.
>

Can you provide CPU information (probably by using lscpu).