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bascule's profile
Tony Arcieri
Tony Arcieri
Tony Arcieri
@bascule

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Tony Arcieri

@bascule

Co-founder @iqlusioninc, formerly @square @chain. Cryptography dilettante, polyglot programmer, key management wrangler, and infrastructure security specialist

San Francisco, CA
tonyarcieri.com
Joined May 2007

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    Tony Arcieri‏ @bascule 24 Jan 2013

    Aren't single-threaded event loops FAST? Short answer: NO. http://news.ycombinator.com/item?id=5109939 

    11:13 AM - 24 Jan 2013
    • 1 Retweet
    • Renaud Aubin
    3 replies 1 retweet 0 likes
      1. New conversation
      2. Peter Cooper‏ @peterc 24 Jan 2013
        Replying to @bascule

        @bascule See, intellectually I accept the point, but why are people going nuts over the performance aspect of Node?

        4 replies 0 retweets 0 likes
      3. Tony Arcieri‏ @bascule 24 Jan 2013
        Replying to @peterc

        @peterc the problem is single-threaded event loops do have great latency when they're not under load / contended

        1 reply 0 retweets 0 likes
      4. Anders Törnqvist‏ @unders 24 Jan 2013
        Replying to @bascule

        @bascule So Redis is not good to use as a cache?

        1 reply 0 retweets 0 likes
      5. Tony Arcieri‏ @bascule 24 Jan 2013
        Replying to @unders

        @unders entirely depends on if you only have k/v and what your requirements around latency are, but in general yes

        1 reply 0 retweets 0 likes
      6. Anders Törnqvist‏ @unders 24 Jan 2013
        Replying to @bascule

        @bascule what du you think one should use instead? Memcached?

        1 reply 0 retweets 0 likes
      7. Tony Arcieri‏ @bascule 24 Jan 2013
        Replying to @unders

        @unders for straight k/v, memcached or something like Riak might be applicable (depending on persistence requirements)

        1 reply 0 retweets 0 likes
      8. Anders Törnqvist‏ @unders 24 Jan 2013
        Replying to @bascule

        @bascule Thanks! I just want a fast and scalable k/v cache; I think many people (me included) use Redis instead of Memcached for that today.

        1 reply 0 retweets 0 likes
      9. David Vrensk‏ @dvrensk 24 Jan 2013
        Replying to @unders

        @unders We used Membase (now part of couchbase). Fit the bill better than redis would have. /cc @bascule

        1 reply 0 retweets 1 like
      10. 1 more reply
      1. New conversation
      2. Steeve Morin‏ @steeve 24 Jan 2013
        Replying to @bascule

        @bascule what is your take now on context switching cost?

        1 reply 0 retweets 0 likes
      3. Tony Arcieri‏ @bascule 24 Jan 2013
        Replying to @steeve

        @steeve I think @aphyr covered that well: http://aphyr.com/posts/244-context-switches-and-serialization-in-node …

        1 reply 0 retweets 1 like
      4. Steeve Morin‏ @steeve 24 Jan 2013
        Replying to @bascule

        @bascule bookmarked. on Windows tho it’s quite expensive, which we why we used to avoid them and go for event loop

        0 replies 0 retweets 0 likes
      5. End of conversation
      1. New conversation
      2. Robert Virding‏ @rvirding 24 Jan 2013
        Replying to @bascule

        @bascule Nothing is ever straightforward and easy, is it? But that it doesn't parallelise well is understandable.

        1 reply 0 retweets 0 likes
      3. Jakub Oboza‏ @jakuboboza 24 Jan 2013
        Replying to @rvirding

        @rvirding @bascule well if you will try to make scope of the problem smaller and smaller it becomes easier and easier to understand.

        0 replies 0 retweets 0 likes
      4. End of conversation

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