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The story with the slowdown and its fix.

DeVore · 2006-05-14 14:49:45

Lo all, I´m writing this from Spain because I wanted to give you all an update on the slowdown and whats happening. Our best explanation of this problem is that on occasion, particularly at peak times, our servers are getting bottlenecked and then wait-state various threads (unix threads, not boards threads) pending…

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#92 20-05-2006 3:44pm
Dave!

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what's this yoke down the bottom of the page for?

Memory Usage: 3,461KB, Executed 13 queries . (Template Usage) (Explain)

Template Usage
SHOWTHREAD (1)
editor_clientscript (1)
footer (1)
forumjump (1)
forumrules (1)
gobutton (1)
header (1)
headinclude (1)
im_msn (1)
im_skype (2)
navbar (1)
navbar_link (3)
option (417)
pagenav (1)
pagenav_curpage (1)
pagenav_pagelink (2)
postbit_legacy (11)
postbit_onlinestatus (11)
showthread_quickreply (1)
spacer_close (1)
spacer_open (1)
statler: Page generated in 0.34536 seconds with 13 queries

Is that just for admin use?

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#93 20-05-2006 3:58pm
Sparky

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DeVore wrote:

I believe he's named the child Mini-Cloud. Disturbing.

DeV.

I had a wierd idea.
What if he names the new server after his child?:)

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#94 20-05-2006 5:01pm
Tar.Aldarion

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At first I thought child referred to the server and he was losing touch with reality.

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#95 20-05-2006 6:00pm
Victor

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Sparky-s wrote:

I had a wierd idea.
What if he names the new server after his child?:)

What if he named the child after a server! :eek:

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#96 20-05-2006 6:21pm
oscarBravo

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Muppet Breslin!!? :eek: :eek:

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#97 20-05-2006 10:30pm
Civilian_Target

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Our best explanation of this problem is that on occasion, particularly at peak times, our servers are getting bottlenecked and then wait-state various threads (unix threads, not boards threads) pending release of machine resources (CPU and Memory).

Hey - I encountered this issue when doing performance analysis as a job, this time last year. The problem was on Java but the system setup was just the same, and on database-related applications this is a common problem. What might easily be happening is that monitor synchronised threads are having issues while doing stuff with the database that causes them to fail to release a connection to the database. This causes the database server to hold the thread for up to the timeout time (at which point it drops and releases the database connection to the pool), and this can lock tables in the process, causing the whole lot to slow down.
A good sign of this is lower than expected load on the database server when the application servers load is above 80%. And by the sounds of what you're saying, something in the search is likely to be causing the problem.
If someone has the technical know-how to do so (I'm not familiar with MySQL) you should get a performance dump from your database server, and take a look-see at the connection pool, and the average number of threads connected - if you're constantly at or very near the top of the pool, this is likely to be the case (and expanding the pool probably won't help). Possible you've encountered a sustainability bug in vBulletin.

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#98 21-05-2006 8:55am
D

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Gordon wrote:

Baby Nimbus. Good luck and congrats to the Cloud family!

That is a damn good nick! Nimbus.

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#99 22-05-2006 9:35am
Hagar

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Only 6 site bans in the last 3 days, I didn't realise boards was gone that slow.:eek:

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#100 22-05-2006 10:04pm
Stephen

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I notice the search is back again... and so is the slowness:

beaker: Page generated in 50.70077 seconds with 15 queries
^
on viewing the games board.

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#101 22-05-2006 10:15pm
Stephen

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nets/comms board: beaker: Page generated in 61.36064 seconds with 15 queries

sigh

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#102 22-05-2006 10:23pm
Pidgin

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Search disabled.
Should be ok now.
Let us know..

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#103 22-05-2006 10:27pm
Tar.Aldarion

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Woah, you climbed the ranks fast.

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#104 22-05-2006 10:30pm
Pidgin

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Tar.Aldarion wrote:

Woah, you climbed the ranks fast.

Heh.
It's just temporary while we help out.
The quicker the climb, the deadlier the fall

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#105 22-05-2006 10:56pm
Sparky

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Pidgin wrote:

Heh.
It's just temporary while we help out.
The quicker the climb, the deadlier the fall

/bows

I am not worthy.

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#106 22-05-2006 11:26pm
WizZard

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Pidgin wrote:

Heh.
It's just temporary while we help out.
The quicker the climb, the deadlier the fall

Is this Cloud's new baby? Already an admin??? :eek::eek::eek:

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#107 22-05-2006 11:40pm
Sparky

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baby Pidgin
*shudders*

Wait OMG teh server talks.

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#108 23-05-2006 9:16am
GoneShootin

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Pidgin wrote:

It's just temporary while we help out.

I'm sure the Iraqi's heard a similar story a couple of years back!

"Fúck you GoneShootin" test initiated for the newcomer...

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#109 23-05-2006 9:59am
Beruthiel

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Pidgin wrote:

Heh.
It's just temporary while we help out.
The quicker the climb, the deadlier the fall

fess up
who are you?!

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#110 23-05-2006 10:29am
WizZard

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ecksor explains

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#111 23-05-2006 10:31am
Hagar

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My money is on a H365 tech with admin priveleges during setup of our shiny new server.
But I could be wrong, again..

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#112 23-05-2006 10:35am
Beruthiel

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WizZard wrote:

ecksor explains

ah thanks
I was beginning to think that Daddy Cloud's baby was some sort of super baby, perhaps Cloudie has been reading him computer books since conception and this is the result! Ruling the world by age 5

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#113 23-05-2006 10:49am
Stephen

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Seems much faster this morning, search enabled and all. What happened?

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#114 23-05-2006 10:54am
Hagar

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My search isn't enabed. Stephen who are you being "nice" to?

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#115 23-05-2006 10:56am
Beruthiel

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hager
mine also works.
obviously nobody likes you

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#116 23-05-2006 10:58am
GoneShootin

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Mod power!

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#117 23-05-2006 11:19am
Hagar

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There is no need to be cruel... muffled sobbing fades into distance

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#118 23-05-2006 1:40pm
Mimikyu

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This post has been deleted.

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#119 23-05-2006 2:01pm
GoneShootin

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Solitaryman666 wrote:

This post has been deleted.

does for mods

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#120 23-05-2006 2:12pm
Hagar

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But not for lowly hMods... Still I have my paper and pencil and a stout heart...

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#121 23-05-2006 2:16pm
Beruthiel

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*snigger*

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