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01-02-2013, 11:15 PM | #1 | ||
Missing a sock...
Join Date: Mar 2012
Location: Brisbane 4017
Posts: 8,250
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I've found that the forum pages are slow to load in the last few days, I mean really slow. When I open the main/login page to AFF it's all good, but when I right click on a link/thread to open up in a new window it turns to pus. Not saying it's an AFF problem at all, could be at well my end.
The AFF pages aren't graphically heavy, so should be almost instantaneous. I've clicked on you tube links within the forum and they stream without a hitch. Anyone else had the same lately? or should I just man up? Cheers!
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Last edited by supershifty; 01-02-2013 at 11:22 PM. |
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02-02-2013, 01:33 AM | #2 | ||
FF.Com.Au Hardcore
Join Date: Aug 2009
Location: Mid North Coast, NSW
Posts: 1,205
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Yeah I got it starting tonight.
Probably too much traffic on such a great forum ;) I'm sure it will be fixed up soon.
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02-02-2013, 02:23 AM | #3 | ||
Moderator
Join Date: Feb 2005
Location: Kenthurst
Posts: 40,403
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I have noticed the lag as well here.
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The Current Stable 2016 SZII TS Territory RWD Petrol The Evolution of the EGA54D utes AU Workshop Build thread of EGA54D B-Series Workshop Build thread of EGA54D 2004 SX TX Territory AWD - Gone but not forgotten 2010 FG XT "The ex-rental" - Moved onto a new home Mechan1k's Flickr Page |
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02-02-2013, 09:07 AM | #4 | ||
Chairman & Administrator
Join Date: Dec 2004
Location: 1975
Posts: 107,236
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Although the pages aren't graphically heavy they are heavy on database load which is usually where any performance issues on AFF come from.
Having said that, the server loads currently look ok (6.75% CPU) - albeit higher than I'd normally expect to see for early on a Saturday but there are 1,500 users on as well - I will turn on monitoring to gather some information before making a definitive call. Cheers Russ
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Observatio Facta Rotae
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02-02-2013, 09:21 AM | #5 | ||
XB,XF,ZL,EA,EL,BA,SY,SZII
Join Date: Sep 2005
Location: Canberra
Posts: 3,479
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Thanks Russ. I've also experienced this problem for about three days...same as Shifty insofar as other sites were OK. There were about 2500 users online when I checked a couple of days ago. It seems to be occurring during peak periods, ie. in the evenings.
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02-02-2013, 09:40 AM | #6 | ||
FF.Com.Au Hardcore
Join Date: Jan 2005
Location: GEELONG
Posts: 7,946
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I have had the same issue
Thought it was my comp playing funny buggers again but it seams not to be the case if others are having the same problem Jason
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no longer have a ford but a ford man at heart R.I.P 98 EL MAY YOU HAVE A GOOD LIFE IN FALCON HEAVEN [SIGPIC][/SIGPIC]
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02-02-2013, 09:54 AM | #7 | ||
Chairman & Administrator
Join Date: Dec 2004
Location: 1975
Posts: 107,236
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No it is a server issue - a bit more analysis shows that while Apache CPU utilisation is low, mySQL (which runs the database) CPU utilisation is very high with average server loads in the 30's and utilisations up toward 100%.
I'll be doing some mySQL tuning throughout the morning so expect several restarts for mySQL and Apache. Cheers Russ
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Observatio Facta Rotae
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02-02-2013, 11:29 AM | #8 | ||
Awesome
Join Date: Oct 2007
Location: In my own little world..Everyone here knows me :)
Posts: 9,401
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I had been having serious issues for the past week and thought it was my end. Turns out some of it was.
The Optus and Telstra networks are having issues at the moment because of the bushfires/Flooding etc. Although I know Russ has said there is a server issue as well. please bare in mind your internet may be a little slower over the coming week while the infrastructure gets fixed by your provider. Cheers Col
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02-02-2013, 08:23 PM | #9 | |||
Moderator
Join Date: Feb 2005
Location: Kenthurst
Posts: 40,403
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Quote:
Some regions though still have no comms.
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The Current Stable 2016 SZII TS Territory RWD Petrol The Evolution of the EGA54D utes AU Workshop Build thread of EGA54D B-Series Workshop Build thread of EGA54D 2004 SX TX Territory AWD - Gone but not forgotten 2010 FG XT "The ex-rental" - Moved onto a new home Mechan1k's Flickr Page |
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02-02-2013, 04:18 PM | #10 | ||
Missing a sock...
Join Date: Mar 2012
Location: Brisbane 4017
Posts: 8,250
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The pages are flying for me at the moment - it's all good!
Thanks Russell!
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02-02-2013, 05:45 PM | #11 | ||
Chairman & Administrator
Join Date: Dec 2004
Location: 1975
Posts: 107,236
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The server loads were fluctuating between the 30's and 40's - ideally they should be below 5 and they are currently running between 4 and 5 after some tuning work. As there are currently 1,760 user on-line that's more than acceptable with Apache load also down to about 4.45%.
MySQL CPU utilisation is now down in the 40% bracket and anything under 80% average is fine. There's a couple more things I will do tomorrow after the SQL server has been running for 12 hours but that's a good start. Cheers Russ
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02-02-2013, 05:49 PM | #12 | ||
FF.Com.Au Hardcore
Join Date: Jan 2005
Location: GEELONG
Posts: 7,946
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thanks Russ
The pages are flying at the moment so job well done Jason
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no longer have a ford but a ford man at heart R.I.P 98 EL MAY YOU HAVE A GOOD LIFE IN FALCON HEAVEN [SIGPIC][/SIGPIC]
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02-02-2013, 07:14 PM | #13 | ||
Chairman & Administrator
Join Date: Dec 2004
Location: 1975
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Sorry about the extra couple of restarts but I needed to change something else.
Cheers Russ
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02-02-2013, 08:15 PM | #14 | ||
FF.Com.Au Hardcore
Join Date: Apr 2008
Posts: 5,463
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Hi. Definitely rapid load again now. Have you changed the "new posts" search back to the old way? Its hard to tell as I cleared my history to see if that speeded things up. Cheers MD
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02-02-2013, 09:50 PM | #15 | |||
Chairman & Administrator
Join Date: Dec 2004
Location: 1975
Posts: 107,236
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Quote:
Despite having almost 2,000 users on currently, server loads are still under 5, have only peaked at 7.5 and Apache load is only: CPU Usage: u1664.36 s19.42 cu4.28 cs0 - 2.56% CPU load31 requests/sec - 0.5 MB/second - 18.1 kB/request75 requests currently being processed, 0 idle workersCheers Russ
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02-02-2013, 10:23 PM | #16 | ||
Brad
Join Date: Jul 2010
Location: New Zealand
Posts: 5,827
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Yea last week has been pretty slow thought it was just my agricultural internet. . . . .Much better now though.
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03-02-2013, 09:54 AM | #17 | ||
Chairman & Administrator
Join Date: Dec 2004
Location: 1975
Posts: 107,236
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I'll be doing a SQL table optimise this morning as well as some re-indexing so things may be slow and the server may be unavailable for short periods (~20 seconds).
Cheers Russ
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03-02-2013, 09:55 AM | #18 | ||
Chairman & Administrator
Join Date: Dec 2004
Location: 1975
Posts: 107,236
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I'll be doing a SQL table optimise this morning as well as some re-indexing so things may be slow and the server may be unavailable for short periods (~20 seconds).
Cheers Russ
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Observatio Facta Rotae
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03-02-2013, 10:37 AM | #19 | |||
Regular Member
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Quote:
Sent from my GT-I9100 using Tapatalk 2
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03-02-2013, 01:41 PM | #20 | ||
Half brain dead already
Join Date: Oct 2011
Location: South Aus
Posts: 3,080
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Has anyone been getting the page coming up (after trying to load into a thread) saying Database error?
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03-02-2013, 02:34 PM | #21 | |||
FF.Com.Au Hardcore
Join Date: Jan 2005
Location: GEELONG
Posts: 7,946
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Quote:
Jason
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no longer have a ford but a ford man at heart R.I.P 98 EL MAY YOU HAVE A GOOD LIFE IN FALCON HEAVEN [SIGPIC][/SIGPIC]
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03-02-2013, 04:10 PM | #22 | ||
Chairman & Administrator
Join Date: Dec 2004
Location: 1975
Posts: 107,236
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Quite correct - whenever I restart mySQL you'll get a db error as it's obviously not available for the time it takes to restart.
Cheers Russ
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03-02-2013, 09:51 PM | #23 | ||
XB,XF,ZL,EA,EL,BA,SY,SZII
Join Date: Sep 2005
Location: Canberra
Posts: 3,479
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Even the home page was slow to load tonight. 2300 users online at 2150 hours.
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03-02-2013, 10:14 PM | #24 | |||
Brad
Join Date: Jul 2010
Location: New Zealand
Posts: 5,827
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Quote:
Last edited by 99AUXR; 03-02-2013 at 10:26 PM. |
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04-02-2013, 02:11 PM | #25 | ||
Moderator
Join Date: Jun 2006
Location: Foothills of the Macedon Ranges
Posts: 18,575
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Perhaps the high number of guests is because there are a number of forums that were previously private, are now available for guests to open? Unsure when these became open for guests to read but perhaps this could be a reason for the problem?
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04-02-2013, 03:13 PM | #26 | ||
Banned
Join Date: Apr 2011
Location: Sydney
Posts: 934
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There is also an issue with the forum where one is not able to un subscribe from threads via the drop down menu under thread tools. This is also causing an issue with still listing read subscribed threads in the user's control panel.
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08-02-2013, 10:26 PM | #27 | ||
Banned
Join Date: Mar 2006
Posts: 1,223
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The forum has been painfully slow for me tonight..
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03-03-2013, 05:46 PM | #28 | ||
XB,XF,ZL,EA,EL,BA,SY,SZII
Join Date: Sep 2005
Location: Canberra
Posts: 3,479
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Hate to say it but it's doing it again. As at the time of this post, the home page took about 30 secs to load and the User CP hadn't finished loading after 2 mins. Approx 2300 users online. Cross-checked other sites and they were OK, hence it's not my ISP.
I had a similar problem during peak hours yesterday. Off-peak hours (eg. 0600) were OK. |
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03-03-2013, 07:26 PM | #29 | ||
Chairman & Administrator
Join Date: Dec 2004
Location: 1975
Posts: 107,236
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It's not load related as I've resolved those issues however we are clearing the SQL cache every couple of hours and that will result in long queries for a few minutes while the cache rebuilds.
However, that is the lesser of evils as what was happening was that the system would run low on memory when getting a lot of queries and then it starts doing what are known as low memory prunes of the cache. In simple terms, these are a bad thing as they cause all the memory addresses used by the query cache to be rebuilt and performance suffers - flushing the cache every couple of hours allows the cache to rebuild gracefully and has less of a performance impact. We will also be doubling the primary memory in the server so that some of those thresholds can be raised in order to avoid this issue - or at least flush the cache less often. When I first started the tuning exercise the low memory prunes were going up every hour so that by the early evening they were in the half million bracket whereas now they are in the low thousands and not increasing until late at night. Cheers Russ
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09-03-2013, 02:32 PM | #30 | ||
Isn't it obvious?
Join Date: Nov 2009
Location: in a world of idiots
Posts: 5,383
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very slow for me today
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