On Thu, Jul 2, 2015 at 4:16 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> On 13 May 2015 at 09:35, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
>
>
>> In summary, the X^1.5 correction seems to work pretty well. It doesn't
>> completely eliminate the problem, but it makes it a lot better.
>>
>
> Agreed
>
Do we want to consider if wal_compression is enabled as that
can reduce the effect full_page_writes?
Also I am planning to run some tests for this patch, but not sure
if tps and or latency numbers by pgbench are sufficient or do you
people want to see actual read/write count via some form of
dynamic tracing (stap) as done by the reporter of this issue?
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com