Re: [RFC] Lock-free XLog Reservation from WAL

17.01.2025 17:00, Zhou, Zhiguo пишет:
> 
> 
> On 1/16/2025 10:00 PM, Yura Sokolov wrote:
>>
>> Good day, Zhiguo.
>>
>> Excuse me, I feel sneaky a bit, but I've started another thread just 
>> about increase of NUM_XLOGINSERT_LOCK, because I can measure its 
>> effect even on my working notebook (it is another one: Ryzen 5825U 
>> limited to @2GHz).
>>
>> http://postgr.es/m/flat/3b11fdc2-9793-403d- 
>> b3d4-67ff9a00d447%40postgrespro.ru
>>
>> -----
>>
>> regards
>> Yura Sokolov aka funny-falcon
>>
>>
> 
> Good day, Yura!
> 
> Thank you for keeping me informed. I appreciate your proactive approach 
> and understand the importance of exploring different angles for 
> optimization. Your patch is indeed fundamental to our ongoing work on 
> the lock-free xlog reservation, and I'm eager to see how it can further 
> enhance our efforts.

> I will proceed to test the performance impact of your latest patch when 
> combined with the lock-free xlog reservation patch. This will help us 
> determine if there's potential for additional optimization. 
> Concurrently, with your permission, I'll try to refine the hash-table- 
> based implementation for your further review. WDYT?

Certainly.

And I will sent my version of 64bit operations on hash-table entries...

tomorrow.

Today is 3am at the moment...

I was doing "removal of WALBufMappingLock" [1]
and I want to sleep a lot...

[1] 
https://postgr.es/m/flat/39b39e7a-41b4-4f34-b3f5-db735e74a723%40postgrespro.ru

-----
regards
Yura Sokolov aka funny-falcon