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state_machine
HN member- Joined
- Mon, Sep 20, 2010, 5:48 PM UTC
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About state_machine
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Comment #15492170
FWIW, CockroachDB doesn't claim to beat CAP: https://www.cockroachlabs.com/blog/limits-of-the-cap-theorem
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Comment #14752559
Yeah, that's fair. If I have to take LIRR, I'll generally use Atlantic and switch at Jamaica if needed -- anything to avoid Penn.
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Comment #14752501
it takes longer to load a train with assigned seating -- that's why say, Amtrak might do it, but commuter rail trains, that at peak run minutes apart and want to minimize dwell-tim…
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Comment #14752469
I've only done much less hellish Grand Central version, and I think Metro North publishes track assignments much earlier. That said though, just imagine how much worse it would be …
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Comment #14752228
I can see why the MTA wouldn't want you telling people to go to a track before it is actually assigned -- if the train ends up on a different track, now you need to get all those p…
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Comment #14737314
I did not realize the physiological effects would be as severe: > The fraction of carbon dioxide is growing: It just crossed 400 parts per million, and high-end estimates extrapola…
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Comment #14517195
In case anyone is interested in even more of the technical specifics, the original design RFC might be interesting too: https://github.com/cockroachdb/cockroach/blob/master/docs/RF…
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Comment #14313453
One of the challenges for us in implementing something like LISTEN/NOTIFY comes from our distributed nature: since a table is likely broken up across many nodes, you somehow need t…
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Comment #14313422
Yes, change feeds (and triggers) are on the roadmap (though not yet in active development).
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Comment #14313403
We're still working on integration with other monitoring systems, but the one we've tested the most and documented is prometheus: https://www.cockroachlabs.com/docs/monitor-cockroa…
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Comment #14309718
Whoops, sorry about that. If you're looking for more on how it works (rocksdb, raft, distributed transactions across multiple raft groups, etc), you might find the design doc inter…
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Comment #14309222
[cockroachdb employee] Short answer: no. Long answer: at their closest earth and mars are about 54m km apart, at the furthest it's over 400, with an average of around 225m km, so t…
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Comment #12448004
The 14 issues tagged 1.7.1: net: retry DNS lookups before failure? io: endless loop in MultiReader in Go 1.7 path/filepath: EvalSymlinks is broken for relative paths on Windows net…
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