| Gehel added a subscriber: mpopov. Gehel added a comment. |
A quick analysis of the situation after 2 days of limiting connections:
- around 2k connections have been rate limited over a 24h period (grep limiting /var/log/nginx/error.log.1 | wc -l), which is ~ 2% of the non cached hits.
- the 95-%ile and median response time seems to have decreased (which is good) around the time of the deployment (see Graphite). It does seem that the decrease in response time actually happened before the rate limiting was deployed, so probably not related.
Now that we have some data, it might make sense to do some more analysis to see which users we are blocking and see if that is an issue (at least no one has been screaming yet... but that's not enough of a validation). @Smalyshev, @mpopov, do you have any idea how to approach this analysis?
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To: Gehel
Cc: mpopov, Gehel, gerritbot, JanZerebecki, csteipp, Joe, Aklapper, Smalyshev, Ramalepe, Liugev6, EBjune, mschwarzer, Avner, Lewizho99, Maathavan, debt, D3r1ck01, Jonas, FloNight, Xmlizer, Izno, jkroll, Wikidata-bugs, Jdouglas, aude, Deskana, Manybubbles, Mbch331
Cc: mpopov, Gehel, gerritbot, JanZerebecki, csteipp, Joe, Aklapper, Smalyshev, Ramalepe, Liugev6, EBjune, mschwarzer, Avner, Lewizho99, Maathavan, debt, D3r1ck01, Jonas, FloNight, Xmlizer, Izno, jkroll, Wikidata-bugs, Jdouglas, aude, Deskana, Manybubbles, Mbch331
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