[listenbrainz-server] 14Singh-Nitin-15 opened pull request #3461 (03master…lb-1788): Removed calendar icon overlapping date labels in Fresh Releases timeline https://github.com/metabrainz/listenbrainz-server…
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mayhem[m]
zas: can you please help me setup the mapping testing server as normal (temp) server part of our infra? I don't want to keep having to fight the proxy and live behind our performance proxies.
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mayhem[m]
sure. thanks!
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zas[m]
sure, but not now, can it wait tomorrow?
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zas[m]
Do you feel better?
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mayhem[m]
yes. I've been on a liquid diet for a week now and things are improving...
2025-12-21 35558, 2025
mayhem[m]
I've been able to work on the new mapper and that has been really well received.
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mayhem[m]
now I want to see if I can get 300 reqs/sec from it.
Apart from the whole torrent backup thing, some really cool graphs
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AkashDeep[m]
Hi everyone,
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AkashDeep[m]
I’d like to introduce Akash Deep, a 4th-year student who is interested in contributing and learning through GSoC. He’s eager to work on real-world open source problems and grow as a developer. Looking forward to learning and collaborating with the community.
2025-12-21 35507, 2025
AkashDeep[m]
I was checking GitHub for issues to work on, but I couldn’t find any open ones. Could you please let me know where I should look or how to get started?
NOTICE: LB-1881 (https://tickets.metabrainz.org/browse/LB-1881): Skipping a track while brainzplayer is searching a track forcefully skip everything
2025-12-21 35503, 2025
failure[m]
hey @reosarevok:chatbrainz.org just wanted to let you know; it would be awesome if you added me to the highly official Official List™ for this week's meeting and the weeks after as well :D
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failure[m]
thanks :D
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mayhem[m] uploaded an image: (420KiB) < https://matrix.chatbrainz.org/_matrix/media/v3/download/chatbrainz.org/wbiRpRiycmAhmhWxGsnMSTIz/image.png >
right now. note the no https. data is from a few days ago.
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julian45[m]
but i only was able to put in some of the preconditions for it last night, hence my question about db recency
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julian45[m]
ah
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mayhem[m]
you need something very recent?
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mayhem[m]
I can try and replicate the server to current and build a new index in a bit.
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julian45[m]
need is a strong word, but basically i forgot to put an alias on something (and thus my test case actually visible to the mapper) until last night
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julian45[m]
no rush, if you’re already planning to rebuild for another reason later i can wait
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mayhem[m]
let me finish a few things and see about getting fresher data.
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julian45[m]
sounds good
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Jadesheher[m]
<mayhem[m]> "💥 holy shit, python is SLOW." <- fr, the python services I run take orders of magnitude more resources for much less load than even the Go services
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mayhem[m]
Jadesheher[m]: I'm being reminded of that. holy hell.
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mayhem[m]
but this shit needs to be fast, so fine.
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julian45[m]
also, small ask for later when you’re not slogging through test cases and other more important things: instrumentation for logs/metrics/traces gathering would be excellent - opentelemetry or prometheus would be neat for this (though perhaps traces *might* be more data than needed given the sheer volume of requests that will likely be pushed through this thing)
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julian45[m]
i know otel has cpp stuff available, prom idk
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Jadesheher[m]
I feel like this service is unlikely to be the source of distributed bugs
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julian45[m]
tracing would probably be more useful when implemented across the whole of a project tbh bc the mapper is just one service of multiple involved in the project work
Ideally you'd be able to go 0.1%, 1%, 10% etc of real requests get redirected
2025-12-21 35555, 2025
Jadesheher[m]
At the load balancer level
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Jadesheher[m]
And then to avoid being woken up you have a trigger on your error rate metrics that rolls that back to the original service
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Jadesheher[m]
mayhem[m]: That is also 'unable to connect' for me
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Jadesheher[m]
Which is weird, because I loaded it before
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julian45[m]
methods aside, some metrics for understanding how stupid fast the mapper is handling user input [or not, i.e., error rates] (and tracking other things like how big the cache is, how long your db queries are taking), as well as at least surfacing operations that are erroring to somewhere seems prudent in the “relatively soon after the worst of the dirty work is done” term imo
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mayhem[m]
ok.
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julian45[m]
* methods aside, some metrics for understanding how stupid fast the mapper is handling user input [or not, i.e., error rates] (and tracking other things like how big the cache is, how long your db queries are taking), as well as at least surfacing operations that are erroring to somewhere seems prudent in the “relatively soon after the dirty work is done” term imo
