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Welcome to vBulletin 4 - please post bugs here!

This is a discussion on Welcome to vBulletin 4 - please post bugs here! within the General Discussions forums, part of the Community Boards category; Yeah, the overall performance of the board is *terrible* right now; I'm not entirely sure what is causing it. Server ...

  1. #31
    Administrator webmaster's Avatar
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    Yeah, the overall performance of the board is *terrible* right now; I'm not entirely sure what is causing it. Server load times are very bad, but I don't see any "smoking guns" in terms of particular HTTP requests that are causing problems.

    I don't think the CDN caching should be too big a deal though, and because of the perf issues I'd like to minimize load onto the server as much as possible. The CDN uses the cache directives that come from the server, and I've checked that the only places that are caching right now are the image folders and not the JS/CSS. (I think that the CSS would actually be fine to add an expires directive to as well because according to what I've read, if I update style vars in vBulletin's admin page, it will create an entirely new CSS file to deal with cache expiration. But since the dust hasn't settled, I don't want to do that quite yet.

  2. #32
    Administrator webmaster's Avatar
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    @quzah The code tags mod that I made has to be re-inserted into the vBulletin distributed JS files. I haven't done that yet because I'd ideally like to find a way to use the vBulletin plugin system instead in order to make it less of a burden when upgrading.

    Also, I think the lines between post and sig are because of the space taken up by userinfo in the left side column.

  3. #33
    ATH0 quzah's Avatar
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    I don't see anything after the post count on the left, it's blank from there to the bottom (where the triangle is). There's a rather large gap there for me.

    Quzah.
    Hope is the first step on the road to disappointment.

  4. #34
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    Would it be possible to put the "code" tags icon on the quick reply icon bar (like the quote and link icons)?

    Jim
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  5. #35
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    Update on the performance issues: I changed the vBulletin settings to store the CSS files on disk rather than going through PHP each time, and then these are also cached by the CDN. Since I did this, I haven't seen serious server load averages (>3 or so). With that breather, I spent a couple of hours looking into other potential performance tweaks, and the one that stood out as an obvious not-yet-tried approach was to set up memcached. I gather that it may take some time for the full benefits of memcached to kick in but the server load is still fairly stable and I can see that memcached is actually doing something in top.

    So let's see if things remain stable, and also please be on the lookout for potential weird bugs that might be related to caching.

    Regarding the double post frenzy: I'm currently wondering if it was something related to the extreme server load from earlier. Let's see if it keeps happening at more normal workloads.

    @quzah Oh, I see what you mean. I'll look into making that take up less space (no promises...)

    @jimblumberg Good idea! I will look into it.

  6. #36
    ATH0 quzah's Avatar
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    I'm assuming the little envelops actually indicate things, for example, the one with the green arrow means I've read something here and there are new posts since I've read it? Why can't I just click the envelope and have it take me to the first new post? I can click the super tiny >> on the right side to go to the very last post, but I'm not seeing how to get to the first unread post.

    edit - Ah, I see it's a separate thing. There is a double-v to the right of the envelope on some threads. It's a bit odd to have them scattered around different spots (some to the left some to the right).

    Quzah.
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    Hope is the first step on the road to disappointment.

  7. #37
    Administrator webmaster's Avatar
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    One more fix for the night: I figured out how to add a code tags to the quick reply form.

  8. #38
    Registered User manasij7479's Avatar
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    Are the scrollbars (both h & v)in the portions of
    Code:
    this
    tags supposed to be enabled by default?
    Manasij Mukherjee | gcc-4.8.2 @Arch Linux
    Slow and Steady wins the race... if and only if :
    1.None of the other participants are fast and steady.
    2.The fast and unsteady suddenly falls asleep while running !



  9. #39
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    After the update, cboard now looks like this. It looks fine at home though, so the firewall at work must be blocking something. It's odd that this happened after the vbulletin update though...
    bit∙hub [bit-huhb] n. A source and destination for information.

  10. #40
    C++まいる!Cをこわせ! Elysia's Avatar
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    Do a hard reset to rule out cache issues?
    Hmmm. Also, there seems to be a lot of wasted vertical space in each reply (for me, at least).
    And there is no edit-in-place possibility now, either. It seems to go full scale all the time.
    Quote Originally Posted by Adak View Post
    io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
    Quote Originally Posted by Salem View Post
    You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.

    Outside of your DOS world, your header file is meaningless.

  11. #41
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    Quote Originally Posted by Elysia View Post
    Do a hard reset to rule out cache issues?.
    I tried it on 2 different computers and 2 different browsers. I also tried clearing the cache to no avail.
    bit∙hub [bit-huhb] n. A source and destination for information.

  12. #42
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    Quote Originally Posted by bithub View Post
    After the update, cboard now looks like this. It looks fine at home though, so the firewall at work must be blocking something. It's odd that this happened after the vbulletin update though...
    I found the problem. My IT department is blocking the links to the style sheets. Apparently they are being flagged as gaming related.
    bit∙hub [bit-huhb] n. A source and destination for information.

  13. #43
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    @bithub Did they say why that might be? All style sheets (as well as the JS) is served through a CDN at js.cprogramming.com which is CNAMEd to cboard.cprogrammingcom.netdna-cdn.com. Or are they doing some kind of analysis of the files themselves?

  14. #44
    Devil's Advocate SlyMaelstrom's Avatar
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    Has it been noted that moderators and standard users have the same font on their username and that it's very difficult to distinguish who is a mod and who isn't? Is that intentional? I was just in another post when I saw a guy with one post and a bold font weight on his username and I was thinking "Who the hell is that guy?"
    Last edited by SlyMaelstrom; 04-12-2011 at 07:12 AM.
    Sent from my iPadŽ

  15. #45
    Registered User Codeplug's Avatar
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    A "User CP" link next "New Posts" would be nice (for me anyway). That now seems to be the "Settings" link at the top-right.

    "User CP" is typically the first thing I hit to see replies to subscribed threads.

    gg

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