On Fri, May 12, 2017 at 9:14 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Robert Haas <robertmh...@gmail.com> writes:
>> On Wed, May 10, 2017 at 8:39 PM, Masahiko Sawada <sawada.m...@gmail.com> 
>> wrote:
>>> ... I'd like to propose to change relation
>>> extension lock management so that it works using LWLock instead.
>> That's not a good idea because it'll make the code that executes while
>> holding that lock noninterruptible.
> Is that really a problem?  We typically only hold it over one kernel call,
> which ought to be noninterruptible anyway.

During parallel bulk load operations, I think we hold it over multiple
kernel calls.

With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com

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