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state_machine

HN member
Joined
Mon, Sep 20, 2010, 5:48 PM UTC
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1,223
Public activity
164 items

About state_machine

http://davidt.io

Recent public activity

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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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