Re: Excessive slowness for some users

The slow appearance of the problem possibly fits with checkpointing.

Planned changes, to use more standard max .wal size (i.e. block-size x
checkpoint-block-count-threshold )  may both make the slowdown smaller and
more even, if it is the cause.  It may also eliminate it, if it is related
to exceeding some in-memory cache size and so thrashing.

I would say the fastest way is to get some test builds out that do this,
and get feedback from such users.
Things that may also help confirm/contradict this are asking about total
RAM and about other programs running - especially browsers with many tabs
open.  Perhaps closing browsers so freeing up RAM will alleviate??

How many are 'worrying numbers'?




On Thu, 13 May 2021 at 21:23, Cliff <[email protected]> wrote:

> I have not seen that on Mac Mojave. The only things that at times seem
> slow is saving after a lot of editing. Initial project is usually 2+ hours
> and the final project is an hour or 1:15 or so. Compressor is normally
> quick, but I’m using the old one and not the new one. Basic operations are
> all very normal speeds.
>
> Cliff
>
> On May 13, 2021, at 13:51, Steve Fiddle <[email protected]> wrote:
>
> We're getting a worrying number of reports of Audacity 3.x being
> excessively slow for some users. The common factor being that the projects
> are longer than about 30 minutes.
>
> Most of the reports have been on Windows, but so are most of our users, so
> that may not be significant.
>
> On Linux, when working with project of an hour or more I have also
> experienced some long waits, especially when closing the project (though  I
> rarely work on projects that are more than a few minutes long).
>
> A peculiarity is that the slowness may not appear immediately. It seems to
> happen after working on the project for a while, and may be related to
> using "Undo".
>
> Below is the latest report that came in a few minutes ago.
>
> Steve
>
>
> ---------- Forwarded message ---------
> From: [redacted]
> Date: Thu, 13 May 2021 at 19:26
> Subject: Audacity 3.02
>
>
> I appreciate the work you do and you making it available free to the user.
> It has helped me for years.
>
>
>
> I do not want to complain but I am having some issues that I feel you
> should be made aware of.
>
>
>
> I am using a Windows 10 Computer. All of my recordings are voice only and
> range from 30 to 60 minutes. Over the years I have made many recording
> using audacity. I average 2-3 recordings a week and have used audacity
> since one of your earliest versions.
>
>
>
> A few weeks ago I upgraded to Audacity 3.0. With great expectation, I
> loaded it, expecting my “wait” time to be reduced. The reverse happened on
> nearly everything I do. It was so bad, I went back to my older version.
> Today, I saw 3.02 was out and downloaded it. I recorded a 48 minute audio
> without issue. However, When it came to editing, it was a different story.
> Below are a few of the “wait times” I experienced.
>
>
>
> ·        Sound Finder took a long time but I did not time it.
>
> ·        Label Audio Split took over 20 minutes
>
> ·        Compressor took over 40 minutes.
>
> ·        Truncate Silence took a long time.
>
> ·        Saving the file also took an extremely long time.
>
> ·        Closing Audacity took over 21 minutes.
>
> I hope this information helps resolve some issues. If I can be of help in
> evaluating, I would be happy to do so.
>
>
>
> Sincerely,
>
> [redacted]
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