Hi all,
lately I was wondering why emacs increased from taking up 1.4% of my
memory to nearly 5% just immediately after starting Gnus. By using
Stefan Monnier's excellent memory-usage.el package (especially
`memory-usage-find-large-variables') I was quickly able to identify that
`gnus-registry-db' was the culprit.
So now I've set `gnus-registry-max-entries' to 10000 (from nil), which
has shrunken its size about a factor 5. Thereby, some questions
wrt. the registry came to my mind.
1) What's `gnus-registry-max-pruned-entries' good for? Of course I've
read its docs, but still I have no idea. What is a pruned entry?
2) The default value of `gnus-registry-track-extra' is (subject sender
recipient). When looking at the gnus registry eioio file, I can see
that especially the subject tracking is responsible for a very large
portion. Now the question is: do I actually need that?
I don't use client-side splitting, so I think the only position where
I use the registry is for referring articles (^) and gathering
threads (A T), right? And since I also use
(setq gnus-summary-thread-gathering-function
'gnus-gather-threads-by-references)
I probably don't need the registry tracking subjects, right?
In the same sense, do I actually need sender and recipient tracking?
For article referring and thread gathering, I think only the
Message-Id is needed, right?
Bye,
Tassilo
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