Re: mbsync slow gmail All Email folder with +100K emails

[Martin C. <mar...@gm...>]

OK. I captured the output of mbsync -D gamil | ts "%H:%M:%.S". It is approx
35 mb.

I don't have much experience with analysing this kind of issue. What should
I look for.

Looks to me like the time is spent on a gigantic number of the 4 operations
I listed all for the All Mail folder.

On Mon, Apr 18, 2022 at 11:13 AM Oswald Buddenhagen <
osw...@gm...> wrote:

> On Mon, Apr 18, 2022 at 10:34:29AM +0200, Martin Clausen wrote:
> >Looking at the output from mbsync --debug there is not a lot of
> >network traffic, [...] So it appears that the slowness is local.
> >
> that's weird, as mbsync is generally network-bound.
>
> >Any idea how I can speed things up?
> >
> not without you finding out where the time is spent.
> top/iotop/iftop for starters - where does mbsync stand out?
> finding out during which execution phase the time is spent is the next
> step; `strace -tt mbsync ...` or `mbsync -D ... | ts "%H:%M:%.S"` would
> provide clues.
>
>
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