conecting problems - Electronic Circuits Projects Diagrams Free

Someone Electro · 2nd July 2005, 06:13 PM

im geting sometimes an conection timeout error wen opening this web site the last 10 minutes.

Other websites work fine.

**Jay.slovak** · 2nd July 2005, 06:20 PM

Yep, this site is slower than others. I have noticed this just recently.

Someone Electro · 2nd July 2005, 07:23 PM

Not slower i get an timeout error.Looks like the server is too busy whith somting that it cant send me the page i want whithin the time limit or meaby it dosent even get my reqest.

I hope its not a virus like last time

zachtheterrible · 12th July 2005, 06:56 AM

yeah, it happens to me every once in a while . . . not something to be worried about, although it is a bit of a pain.

Someone Electro · 12th July 2005, 07:03 AM

I dont have this problem anymore

**ElectroMaster** · 13th July 2005, 02:36 AM

hmmm. I would love to be on a fast connection to see how slow this site is! I am only on a 2mb connection and it seems fast to me.

I would like anyone to comment whenever this site slows down. I understand that it gets bussy when i am sleeping (I live in new zealand).

Let me know times / dates and I will do my best to resolve any issues.

Thanks guys!

plot · 13th July 2005, 09:09 AM

i'm sure there's a certain time where the server does a routine backup of the website which probably slows it to a crawl.

is the site hosted in new zealand? that could be another reason. international pipes are often saturated and slow during certain times a day.

**ElectroMaster** · 13th July 2005, 09:21 AM

THe site is hosted in houston texas so location shouldnt be a problem.

No backups run on the server that would cause any problem.

Although the server may not be able to handle to load during a busy time. it is only a "Intel(R) Celeron(R) CPU 2.40GHz" with 512 MB ram

plot · 13th July 2005, 10:58 AM

Is it a dedicated server? Most hosting companies run some type of cron jobs on the servers once a day in case something happens... granted, that should only be like 5 minutes of lag a day, usually at like 4AM (texas time, central timezone, so gmt-6)

zachtheterrible · 14th July 2005, 12:21 AM

Quote:

Although the server may not be able to handle to load during a busy time. it is only a "Intel(R) Celeron(R) CPU 2.40GHz" with 512 MB ram

Haa, how funny. That server is only minutely better than my computer, and yet it gives such valuable information to so many people :lol:

Someone Electro · 14th July 2005, 08:06 AM

All server needs is an fast harddrive, a lot of ram and an super fast internet conection(especialy for downloads).

You can run your own web server whith a litle software and an fast conection.But an DSL is not enugh to serve over 1000 users.

Someone Electro · 14th July 2005, 08:10 AM

Oh and profesional web servers keep all the files that they host in there RAM becose it wod be too slow to read them from the HDD wen needed.This menes that they have 100s of GB RAM.

plot · 14th July 2005, 12:19 PM

Quote:

Originally Posted by Someone Electro

Oh and profesional web servers keep all the files that they host in there RAM becose it wod be too slow to read them from the HDD wen needed.This menes that they have 100s of GB RAM.

100s of GB RAM? Most probably normal sites probably dont have more then a 1 GB... if that. Large websites have multiple servers (google has thousands upon thousands of not very powerful 1U servers for instance), the most ram I've ever seen in a single server is 16 GB, and that was a 64 bit server. 32 bit servers max out at 4GB without special hardware controllers.

Doesn't take much to run a webserver. The problem with this forum is it uses MySQL for the database (just a guess, but more then likely). Querying a database (which is on the harddrive) is CPU intensive. When thousands of query's are being done, that's when the server really bogs down.

This website also hosts any file people upload to it for threads, that's where the primary bandwidth saturation comes into play probably.

Also, is this a dedicated server? It might be shared with quite a few other websites.

I visit a few forums that dwarf this one in size, averages well over 300 users at any given time (normally alot more), and has few problems... and the server it is all run is not much more impressive then this one.

Remember, most HD's can read at 8MB/s or faster... seek times on most are in the milliseconds or less. Databases are stored on harddrives, not in ram. :wink:

**ElectroMaster** · 14th July 2005, 09:30 PM

Nice Post plot.

Yes this is a dedicated server and is only running about 5 other small sites.

Backups are done via rsync which means that only files which have changed since the last backup are copied and that only equates to about 100 MB each time. And that 100MB is backed up within seconds and should cause no slowdowns at all.

This site does use mysql and alot of it. Each page consists of about 40+ queries each accessing the hard drive at least once.

Linux servers do hold alot of information in Ram, it is much faster than accessing it from the hard drive. For example if a person loads a page it will create an HTTPD process storing it in Ram, once the page has loaded the HTTPD process will be kept in memory (unless that memory is needed for something else) and it will wait until another page is requested. When another page is it will then be far quicker to execute the request since the HTTPD is already loaded into Ram.

Code:

Mem:   506504k av,  498732k used,    7772k free,       0k shrd,   49676k buff
       192600k active,             218944k inactive

I hope that explains a few things.

I do think that a RAID / SCSI config would speed things up..

Someone Electro · 15th July 2005, 07:01 AM

only 7MB of free ram.Meaby it runs you of ram at some times.You mignt put in more ram or go to Windows 2000(It uses up half as much memory for it self).Im curently using 420MB of RAM whith no ram hungry apps runing.That was about 180 MB whith windows 2000.

What in the world is XP doing whith all that ram.

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2nd July 2005, 06:13 PM	(permalink)
Someone Electro	conecting problems im geting sometimes an conection timeout error wen opening this web site the last 10 minutes. Other websites work fine. __________________ Il give you shocking experience.

2nd July 2005, 06:20 PM	(permalink)
Jay.slovak	Yep, this site is slower than others. I have noticed this just recently. __________________ "I share, thus I am" Jay.slovak Read this! ICD2 Clone Best PIC/DsPIC Bootloader Read my Inchworm ICD2 review!

2nd July 2005, 07:23 PM	(permalink)
Someone Electro	Not slower i get an timeout error.Looks like the server is too busy whith somting that it cant send me the page i want whithin the time limit or meaby it dosent even get my reqest. I hope its not a virus like last time __________________ Il give you shocking experience.

12th July 2005, 06:56 AM	(permalink)
zachtheterrible	yeah, it happens to me every once in a while . . . not something to be worried about, although it is a bit of a pain. __________________ I'm no electronics god, i just talk too much.

12th July 2005, 07:03 AM	(permalink)
Someone Electro	I dont have this problem anymore __________________ Il give you shocking experience.

13th July 2005, 02:36 AM	(permalink)
ElectroMaster	hmmm. I would love to be on a fast connection to see how slow this site is! I am only on a 2mb connection and it seems fast to me. I would like anyone to comment whenever this site slows down. I understand that it gets bussy when i am sleeping (I live in new zealand). Let me know times / dates and I will do my best to resolve any issues. Thanks guys! __________________ ▌ Electro Tech Online Owner ▌ Need to contact me? Send me a Private Message. ▌ Verification Email didn't arrive? See this thread.

13th July 2005, 09:09 AM	(permalink)
plot	i'm sure there's a certain time where the server does a routine backup of the website which probably slows it to a crawl. is the site hosted in new zealand? that could be another reason. international pipes are often saturated and slow during certain times a day.

13th July 2005, 09:21 AM	(permalink)
ElectroMaster	THe site is hosted in houston texas so location shouldnt be a problem. No backups run on the server that would cause any problem. Although the server may not be able to handle to load during a busy time. it is only a "Intel(R) Celeron(R) CPU 2.40GHz" with 512 MB ram __________________ ▌ Electro Tech Online Owner ▌ Need to contact me? Send me a Private Message. ▌ Verification Email didn't arrive? See this thread.

13th July 2005, 10:58 AM	(permalink)
plot	Is it a dedicated server? Most hosting companies run some type of cron jobs on the servers once a day in case something happens... granted, that should only be like 5 minutes of lag a day, usually at like 4AM (texas time, central timezone, so gmt-6)

14th July 2005, 08:06 AM	(permalink)
Someone Electro	All server needs is an fast harddrive, a lot of ram and an super fast internet conection(especialy for downloads). You can run your own web server whith a litle software and an fast conection.But an DSL is not enugh to serve over 1000 users. __________________ Il give you shocking experience.

14th July 2005, 08:10 AM	(permalink)
Someone Electro	Oh and profesional web servers keep all the files that they host in there RAM becose it wod be too slow to read them from the HDD wen needed.This menes that they have 100s of GB RAM. __________________ Il give you shocking experience.

14th July 2005, 09:30 PM	(permalink)
ElectroMaster	Nice Post plot. Yes this is a dedicated server and is only running about 5 other small sites. Backups are done via rsync which means that only files which have changed since the last backup are copied and that only equates to about 100 MB each time. And that 100MB is backed up within seconds and should cause no slowdowns at all. This site does use mysql and alot of it. Each page consists of about 40+ queries each accessing the hard drive at least once. Linux servers do hold alot of information in Ram, it is much faster than accessing it from the hard drive. For example if a person loads a page it will create an HTTPD process storing it in Ram, once the page has loaded the HTTPD process will be kept in memory (unless that memory is needed for something else) and it will wait until another page is requested. When another page is it will then be far quicker to execute the request since the HTTPD is already loaded into Ram. Code: Mem: 506504k av, 498732k used, 7772k free, 0k shrd, 49676k buff 192600k active, 218944k inactive I hope that explains a few things. I do think that a RAID / SCSI config would speed things up.. __________________ ▌ Electro Tech Online Owner ▌ Need to contact me? Send me a Private Message. ▌ Verification Email didn't arrive? See this thread.

15th July 2005, 07:01 AM	(permalink)
Someone Electro	only 7MB of free ram.Meaby it runs you of ram at some times.You mignt put in more ram or go to Windows 2000(It uses up half as much memory for it self).Im curently using 420MB of RAM whith no ram hungry apps runing.That was about 180 MB whith windows 2000. What in the world is XP doing whith all that ram. __________________ Il give you shocking experience.