Re: Polyphase merge is obsolete

On 16/09/2021 00:12, Jaime Casanova wrote:
> On Sat, Sep 11, 2021 at 01:35:27AM -0500, Jaime Casanova wrote:
>> On Wed, Jul 14, 2021 at 06:04:14PM +0300, Heikki Linnakangas wrote:
>>> On 14/07/2021 15:12, vignesh C wrote:
>>>> On Sat, Jan 23, 2021 at 3:49 AM Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
>>>>> Here's an updated version that fixes one bug:
>>>>>
>>>>> The CFBot was reporting a failure on the FreeBSD system [1]. It turned
>>>>> out to be an out-of-memory issue caused by an underflow bug in the
>>>>> calculation of the size of the tape read buffer size. With a small
>>>>> work_mem size, the memory left for tape buffers was negative, and that
>>>>> wrapped around to a very large number. I believe that was not caught by
>>>>> the other systems, because the other ones had enough memory for the
>>>>> incorrectly-sized buffers anyway. That was the case on my laptop at
>>>>> least. It did cause a big slowdown in the 'tuplesort' regression test
>>>>> though, which I hadn't noticed.
>>>>>
>>>>> The fix for that bug is here as a separate patch for easier review, but
>>>>> I'll squash it before committing.
>>>>
>>>> The patch does not apply on Head anymore, could you rebase and post a
>>>> patch. I'm changing the status to "Waiting for Author".
>>>
>>> Here's a rebased version. I also squashed that little bug fix from previous
>>> patch set.
>>>
>>
>> Hi,
>>
>> This patch does not apply, can you submit a rebased version?
>
> BTW, I'm marking this one as "waiting on author"

Thanks, here's another rebase.

- Heikki