Re: [HACKERS] wait events for disk I/O

On Sat, Mar 18, 2017 at 10:52 PM, Rushabh Lathia
<rushabh.lathia@gmail.com> wrote:
>
>
> On Sat, Mar 18, 2017 at 5:15 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>>
>> On Fri, Mar 17, 2017 at 10:01 AM, Rushabh Lathia
>> <rushabh.lathia@gmail.com> wrote:
>> > I tried to cover all the suggestion in the attached latest patch.
>>
>> Committed.  I reworded the documentation entries, renamed a few of the
>> wait events to make things more consistent, put all three lists in
>> rigorous alphabetical order, and I fixed a couple of places where an
>> error return from a system call could lead to returning without
>> clearing the wait event.
>>

Thanks, I ran pgbench with shared_buffers set to 128kB, able to see
below wait IO events.

DataFileRead
DataFileWrite
WALInitSync
WALInitWrite
WALWrite
DataFileSync
WALRead

Thanks & Regards,
Rajkumar Raghuwanshi
QMG, EnterpriseDB Corporation