On Thu, Jan 12, 2023 at 8:25 AM Ted Yu <yuzhih...@gmail.com> wrote:

> On Wed, Jan 11, 2023 at 6:54 PM Amit Kapila <amit.kapil...@gmail.com> wrote:
>>
>> On Wed, Jan 11, 2023 at 9:31 AM Ted Yu <yuzhih...@gmail.com> wrote:
>> >
>> > On Tue, Jan 10, 2023 at 7:55 PM houzj.f...@fujitsu.com 
>> > <houzj.f...@fujitsu.com> wrote:
>> >>
>> >> On Wednesday, January 11, 2023 10:21 AM Ted Yu <yuzhih...@gmail.com> 
>> >> wrote:
>> >> >         /* First time through, initialize parallel apply worker state 
>> >> > hashtable. */
>> >> >         if (!ParallelApplyTxnHash)
>> >> >
>> >> > I think it would be better if `ParallelApplyTxnHash` is created by the 
>> >> > first
>> >> > successful parallel apply worker.
>> >>
>> >> Thanks for the suggestion. But I am not sure if it's worth to changing the
>> >> order here, because It will only optimize the case where user enable 
>> >> parallel
>> >> apply but never get an available worker which should be rare. And in such 
>> >> a
>> >> case, it'd be better to increase the number of workers or disable the 
>> >> parallel mode.
>> >>
>> >
>> >
>> > I think even though the chance is rare, we shouldn't leak resource.
>> >
>>
>> But that is true iff we are never able to start the worker. Anyway, I
>> think it is probably fine either way but we can change it as per your
>> suggestion to make it more robust and probably for the code clarity
>> sake. I'll push this tomorrow unless someone thinks otherwise.
>>

Pushed.

-- 
With Regards,
Amit Kapila.


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