Re: Fix pg_checksums progress report

On 2021/04/02 16:47, Michael Paquier wrote:
> On Fri, Apr 02, 2021 at 07:30:32AM +0000, Shinya11(dot)Kato(at)nttdata(dot)com wrote:
>> I added a comment to the patch, and attached the new patch.

Thanks for updating the patch!

+ /*
+ * The current_size is calculated before checking if header is a
+ * new page, because total_size includes the size of new pages.
+ */
+ current_size += r;

I'd like to comment more. What about the following?

---------------------------
Since the file size is counted as total_size for progress status information, the sizes of all pages including new ones in the file should be counted as current_size. Otherwise the progress reporting calculated using those counters may not reach 100%.
---------------------------

> Hmm. This looks to come from 280e5f14 that introduced the progress
> reports so this would need a backpatch down to 12.

Yes.

> I have not looked
> in details and have not looked at the patch yet, though. Fujii-san,
> are you planning to take care of that?

Yes, I will. Thanks for the consideration!

Regards,

--
Fujii Masao
Advanced Computing Technology Center
Research and Development Headquarters
NTT DATA CORPORATION