Re: BitmapHeapScan streaming read user and prelim refactoring - Mailing list pgsql-hackers

From Tomas Vondra
Subject Re: BitmapHeapScan streaming read user and prelim refactoring
Date
Msg-id 2ed1e06b-feae-4c61-9f58-3fcc358104c7@enterprisedb.com
Whole thread Raw
In response to Re: BitmapHeapScan streaming read user and prelim refactoring  (Melanie Plageman <melanieplageman@gmail.com>)
Responses Re: BitmapHeapScan streaming read user and prelim refactoring
List pgsql-hackers
On 3/14/24 19:16, Melanie Plageman wrote:
> On Thu, Mar 14, 2024 at 03:32:04PM +0200, Heikki Linnakangas wrote:
>> ...
>>
>> Ok, committed that for now. Thanks for looking!
> 
> Attached v6 is rebased over your new commit. It also has the "fix" in
> 0010 which moves BitmapAdjustPrefetchIterator() back above
> table_scan_bitmap_next_block(). I've also updated the Streaming Read API
> commit (0013) to Thomas' v7 version from [1]. This has the update that
> we theorize should address some of the regressions in the bitmapheapscan
> streaming read user in 0014.
> 

Should I rerun the benchmarks with these new patches, to see if it
really helps with the regressions?


regards

-- 
Tomas Vondra
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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