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posted by on Wednesday January 09 2019, @12:59PM   Printer-friendly
from the better-late-than-never dept.

While shutting down terminal windows to the SN servers this morning, one of them had the create table syntax for the comments table still on screen. I gave it a read through just because it was there and noticed that there wasn't an index for the opid (top level comment id for speeding up entire thread pulling) column. So I got some before numbers, added one, and ran some After tests. Heavily commented stories show a 50-150% pages-per-second speed increase in threaded views. Low hanging fruit FTW.

 
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  • (Score: 3, Interesting) by The Mighty Buzzard on Wednesday January 09 2019, @02:04PM (18 children)

    by The Mighty Buzzard (18) Subscriber Badge <themightybuzzard@proton.me> on Wednesday January 09 2019, @02:04PM (#784101) Homepage Journal

    We might indeed be able to raise the 100 comment per page limit. It'll need some testing though.

    --
    My rights don't end where your fear begins.
    Starting Score:    1  point
    Moderation   +1  
       Interesting=1, Total=1
    Extra 'Interesting' Modifier   0  
    Karma-Bonus Modifier   +1  

    Total Score:   3  
  • (Score: 2) by zocalo on Wednesday January 09 2019, @02:12PM (7 children)

    by zocalo (302) on Wednesday January 09 2019, @02:12PM (#784102)
    Or actual stories with more than 100 comments. :)

    OK, I know there have been a few, but it's still pretty rare, but well done on spotting the missing index and taking the time to investigate further anyway. Faster load times = more time to read and comment!
    --
    UNIX? They're not even circumcised! Savages!
    • (Score: 2) by The Mighty Buzzard on Wednesday January 09 2019, @02:33PM (6 children)

      by The Mighty Buzzard (18) Subscriber Badge <themightybuzzard@proton.me> on Wednesday January 09 2019, @02:33PM (#784109) Homepage Journal

      Ten in the last thirty days. Two of them journal entries. That's not bad for us for a month heavy on holiday stuff.

      --
      My rights don't end where your fear begins.
      • (Score: 5, Funny) by Runaway1956 on Wednesday January 09 2019, @02:55PM (5 children)

        by Runaway1956 (2926) Subscriber Badge on Wednesday January 09 2019, @02:55PM (#784116) Journal

        heavy on holiday stuff

        I told you I'd be back to help you finish off the ham, and all those pies. But, did you listen? Noooooooooooo - you ate it all yourself. Now you're gonna complain about heavy? I don't wanna hear it. No sympathy from me that you have to turn sideways to get through the door.

        • (Score: 3, Touché) by The Mighty Buzzard on Wednesday January 09 2019, @03:11PM (4 children)

          by The Mighty Buzzard (18) Subscriber Badge <themightybuzzard@proton.me> on Wednesday January 09 2019, @03:11PM (#784127) Homepage Journal

          Man, I only put on five pounds between the big food holidays and having to eat more often for ten days of thrice-a-day antibiotics. Since I lost 35 pounds or so over the past year, I'm calling that a win.

          --
          My rights don't end where your fear begins.
          • (Score: 2) by Runaway1956 on Wednesday January 09 2019, @04:50PM (3 children)

            by Runaway1956 (2926) Subscriber Badge on Wednesday January 09 2019, @04:50PM (#784167) Journal

            Ugghhhh - hate those meds. And, they suck even more during the holiday season.

            • (Score: 2) by The Mighty Buzzard on Thursday January 10 2019, @04:09AM (2 children)

              by The Mighty Buzzard (18) Subscriber Badge <themightybuzzard@proton.me> on Thursday January 10 2019, @04:09AM (#784457) Homepage Journal

              First time I've taken any since my 20s. They're just as annoying now as then. And the dipshit PA felt the need to prescribe me not one but two bloody decongestants after I told him the infection had my sinuses the clearest they had been in decades.

              --
              My rights don't end where your fear begins.
              • (Score: 2) by Runaway1956 on Thursday January 10 2019, @02:35PM (1 child)

                by Runaway1956 (2926) Subscriber Badge on Thursday January 10 2019, @02:35PM (#784496) Journal

                Sinuses? Try scuba diving. They gave me hell through my teens. Guess I was 20, almost 21 when I took my diving lessons. We got out of the kiddy pool, and went on our first real dive, diddling around at around fifty feet. My ears popped, and I started running at the nose, head felt weird, and I headed to the surface. I was a god-awful mess for a couple hours, but I've never had sinus problems like I did in my teens. I suppose if I had ever described the experience to a nose-throat-and-ear specialist, he could have explained it. All I know is, life changed when I took up diving.

  • (Score: 3, Interesting) by takyon on Wednesday January 09 2019, @03:22PM (6 children)

    by takyon (881) <takyonNO@SPAMsoylentnews.org> on Wednesday January 09 2019, @03:22PM (#784136) Journal

    Wouldn't this break existing URLs that link to specific pages?

    --
    [SIG] 10/28/2017: Soylent Upgrade v14 [soylentnews.org]
    • (Score: 2) by kazzie on Wednesday January 09 2019, @04:41PM

      by kazzie (5309) Subscriber Badge on Wednesday January 09 2019, @04:41PM (#784161)

      Are there (m)any of those?

      I suppose one could only raise the bar on stories newer than $date to maintain compatibility.

    • (Score: 3, Informative) by martyb on Wednesday January 09 2019, @11:19PM

      by martyb (76) Subscriber Badge on Wednesday January 09 2019, @11:19PM (#784330) Journal

      Wouldn't this break existing URLs that link to specific pages?

      tl;dr: Depends on what you mean by 'existing'. A URL containing a page reference that you had saved away, say, as a bookmark could be a problem. But any accesses to different pages while a given page size is in effect should work fine.

      Try it! Logged-in users can already set a preference for how many comments they want to see in a page:

      1. Go to your user page: https://soylentnews.org/users.pl [soylentnews.org]
      2. Click on the "Comments" button.
      3. The 5th choice in the "Comment Settings" section is "Comment Limit".

        Comment Limit [100]
        Only display this many comments per page (or slightly more to keep threads from splitting). If set above 100, then it is ignored and this value is used instead.

      4. Set the Comment Limit to a small value, e.g. 10.
      5. Scroll to the bottom of the page and click the "Save" button.
      6. Reload this story: Meta: Late Christmas Present [soylentnews.org].

      See your new page size in effect.

      Now, given all that... if you had previously saved a link to a comment externally that referred to a particular 'page' of comments, and then tried to open that link with a new page size in effect, then, well that won't work.

      --
      Wit is intellect, dancing.
    • (Score: 2) by The Mighty Buzzard on Thursday January 10 2019, @04:10AM (3 children)

      by The Mighty Buzzard (18) Subscriber Badge <themightybuzzard@proton.me> on Thursday January 10 2019, @04:10AM (#784459) Homepage Journal

      If you're linking to specific pages, you're doing it wrong. How many are on a page is up to each individual user, so you can't have any idea what page a given comment is on.

      --
      My rights don't end where your fear begins.
  • (Score: 3, Funny) by RandomFactor on Wednesday January 09 2019, @10:54PM (1 child)

    by RandomFactor (3682) Subscriber Badge on Wednesday January 09 2019, @10:54PM (#784320) Journal

    You.... You understood that.

    --
    В «Правде» нет известий, в «Известиях» нет правды
  • (Score: 2) by Reziac on Thursday January 10 2019, @02:27AM

    by Reziac (2489) on Thursday January 10 2019, @02:27AM (#784420) Homepage

    Noticeable improvement -- it's always been slow to redisplay post-moderating, and now it's not. So you fixed something. There, aren't you glad I broke it? :D

    --
    And there is no Alkibiades to come back and save us from ourselves.