https://bugs.kde.org/show_bug.cgi?id=404057

--- Comment #44 from Kai Krakow <k...@kaishome.de> ---
(In reply to tagwerk19 from comment #43)
> I think the dust has probably settled here after:
>     https://invent.kde.org/frameworks/baloo/-/merge_requests/131
> and cherrypicked for KF5
>     https://invent.kde.org/frameworks/baloo/-/merge_requests/169

These work fine for me, I'm actually using baloo again in production.

> There's also been
>      https://invent.kde.org/frameworks/baloo/-/merge_requests/121

Actually, `MemoryHigh=512M` is quite aggressive. It can lead to swap storms and
cache thrashing of baloo under memory pressure because the process itself is
already 512M big, this leaves no space for caching which is important for baloo
to work with proper performance (consider that memory cgroups also account
cache usage). Especially the sub process baloo_file is hurt by this a lot while
indexing new files.

I personally used `MemoryHigh=2G` to fix this for my system - but this
parameter really depends a lot on the system environment. The service shows a
peak usage of 1.3G with almost no swap usage (less than 30M), so
`MemoryHigh=1536M` may be fine.

> and
>      https://invent.kde.org/frameworks/baloo/-/merge_requests/148

No objections, it makes sense.

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