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Re: [HACKERS] wait events for disk I/O - Mailing list pgsql-hackers

From Rajkumar Raghuwanshi
Subject Re: [HACKERS] wait events for disk I/O
Date
Msg-id CAKcux6koteaC585+vHEGEm=we+Qgr_sx4Rwd+i-+JhPPfsk3FQ@mail.gmail.com
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In response to Re: [HACKERS] wait events for disk I/O  (Rushabh Lathia <rushabh.lathia@gmail.com>)
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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

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