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Viewing profile — bmurphy

bmurphy

HN member
Joined
Thu, Oct 21, 2010, 8:52 PM UTC
HN karma
50
Public activity
28 items

About bmurphy

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Recent public activity

  1. comment
    Comment #3943128

    Just because you have 16gb of memory doesn't mean you won't ever swap. Firefox is not the only application running on a computer. My working set is routinely over 7gb and I have 8g…

  2. comment
    Comment #3295217

    I used MSSQL up to MSSQL 2005 and MySQL up until about the same time. Around then I switched over to PostgreSQL completely and have not had a reason to go back. My biggest complain…

  3. comment
    Comment #3200530

    I agree with the parent. Something very simplistic in json or yaml would be preferred.

  4. comment
    Comment #3143665

    I can't play it. I've played too many FPS and Flight Simulators in my time. The controls need to be inverted so i can fly it like a real plane. Too bad.

  5. comment
    Comment #3025671

    Absolutely. You should always be spreading your data across multiple availability zones and where feasible across multiple data centers and S3 is a great place to store your wal lo…

  6. comment
    Comment #3025667

    EBS is a shared networked SAN. The performance characteristics of it are not that great and even worse, highly variable. The last thing you want to be running your database on is a…

  7. comment
    Comment #3024638

    Very nice, thank you. Mostly all of this is good advice and correlates nicely with my experience. One thing though: "EBS volumes and Software RAID is best but scary on AWS" I've ma…

  8. comment
    Comment #2959379

    Agreed. I personally go through my RSS feed every few months and re-evaluate my feeds. If I have feeds that have low signal to noise ratios, or simply publishes articles that I nev…

  9. comment
    Comment #2890771

    Nope, he does not mean open a port. Ports is the name of the packaging system FreeBSD uses, and a port is the equivalent (more or less) of an RPM or deb source package. http://www.…

  10. comment
    Comment #2849799

    Nice. Much better.

  11. comment
    Comment #2777715

    As the Father of a 19 month old I can only say this is a complete rip-off. Craig's list, friends and family, birthdays, holidays, garage sales, second hand stores, 50% off coupons,…

  12. comment
    Comment #2721594

    Argh. Same crap as with all the population predictions. Everybody always assumes the graph is exponential. It is not. It always levels off. The real trick is predicting where/when …

  13. comment
    Comment #2504240

    You could always replace it with an EBS volume.

  14. comment
    Comment #2341692

    I don't have solid numbers, just some experience using this. Ephemeral drives outright fail more often than EBS volumes, however, EBS volumes suffer performance degradation signifi…

  15. comment
    Comment #2341685

    My experience has been that EBS handles concurrent loads better, ephemeral drives handle non-concurrent loads better. Transferring 100gb+ of data on EBS (even with an 8x RAID) is a…

  16. comment
    Comment #2341670

    I tuned the hell out of our big postgresql instance a year ago, but I'll be damned if I can remember the rational for every change. I have a list of all the changes from default, b…

  17. comment
    Comment #2341653

    Yes. Except, anybody who is doing RAID-0 over an EBS volume for perf reasons is ASKING for trouble. You need to do RAID-10. EBS volumes CAN and DO fail.

  18. comment
    Comment #2341411

    Having been running a 200gb millions of transactions per day Postgres cluster on Amazon's EC2 cloud for two years now, I can attest to the fact that EBS performance and reliability…

  19. comment
    Comment #2327438

    That song is terrible (and I love Devin Townsend, the singer).

  20. comment
    Comment #2027755

    Interesting, but I really don't think this belongs here.

  21. comment
    Comment #2015021

    Disk I/O performance that doesn't suck. Let us add dev pay instances to an ELB. More ram. Elastic private ip addresses. Change security groups of running instances. I have a lot mo…

  22. comment
    Comment #1941514

    You're right. But it's not happening now. I don't see it. Who are the alternatives everybody is flocking to? They don't exist. Don't get me wrong. I'm hopeful for a new world of op…

  23. comment
    Comment #1940996

    There are no Facebook alernatives. My friends and family are on Facebook. They are not on ANYTHING else. Until that changes, which I suspect it won't, nothing else will be viable.

  24. comment
    Comment #1919960

    I just ran the same test. Set up a 2 slave cluster, killed slave 2, then killed the master. Ran pg_last_xlog_receive_location on each slave, picked the one that was furthest along …

  25. comment
    Comment #1919750

    Yes, that's exactly what I was referring to, you're getting a new timeline. You need to rebase the slaves and you have no real-time backup for a few hours. Sucks. You have to be ve…