Optimization is the process of modifying a system to make some aspect of it work more efficiently or use fewer resources.
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26 views
Apache performance too slow [duplicate]
I spent the last 3 days trying to optimize my apache server running on an ubuntu server with 64G RAM. I created an index.php containing only <?php echo 'hi'?> for testing purposes. But I still ...
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1answer
38 views
Disable Physical Address Extension in Windows 7 64 bits with 8 GB RAM [closed]
Everything I need to know about it is in subject. I'm tweaking my Windows 7 Pro 64bits because I feel my Core i5 3.7 Ghz computer is not much more fast than my old Athlon 64.
And I saw in Windows ...
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2answers
46 views
Can my mysql server be fully tweaked? [closed]
I'm on a quadcore CENTOS 5.9 i686 standard running WHM 11.36.0. It's a dedicated LAMP server with lots of websites, most of which are using databases. I'm monitoring the server using Munin and notice ...
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1answer
65 views
Tuning MySQL of 1.3 G DB, 8GB Ram, High IO Wait
I am having MySQL database of size 1.3 GB on 8 core virtual machine, 8 GB of memory and I am having troubles optimizing the configuration. There is a lot of small rows and lot of joins going on.
I've ...
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2answers
58 views
virtual memory optimization on exchange server 2010
Hi I did some Google searching but came up blank
I know mycomputer/computer > Properties > advance System settings > Advance[tab] > Settings[Performance] > Advance [Tab] > Change > customsige
...
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1answer
131 views
mysql database config optimization
Have a heavily trafficed database running mostly innodb and would like to better optimize the mysql config. Server has 32Gb ram and the biggest tables are ~18Gb innodb. I think I have done all the ...
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2answers
92 views
Would moving images to a CDN significantly reduce my CPU/memory load?
I am trying to reduce the cpu/memory load on my web server, and I am wondering if I should host my images on a CDN instead of my webserver. Does serving these images take up much CPU/memory?
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1answer
66 views
Recommended resources for server tuning and security checklist for production Linux server deployment [closed]
There are many questions on server tuning and security checklist are being closed.
So, I am not asking for the exact detail.
Please point me to the resources you find it is helpful (no matter web ...
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2answers
156 views
How can I handle big traffic spikes on my dedicated server?
I have an E-Commerce site, which gains a sudden peak of very high traffic when I turn on different ads campaigns.
From this moment on, my current dedicated server (Hostgator, 4GB Memoray, 100mbps ...
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2answers
58 views
Mysql very long query string [closed]
I have a problem with an ugly query. The query itself isn't so bad, the indexes are used and it is optimized. The problem is that the query is long, about 64k of text:
SELECT SUM( value ) AS ...
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1answer
196 views
Centos MySQL optimization 4gb ram
I am using Centos 6 64bit on vps with 4gb ram. 1 wordpress website and 2 wallpapers script websites. Wordrpess have 10k visits daily. Site is slow.
My.cnf
# Example mysql config file for large ...
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3answers
253 views
Optimizing VPS Server Memory
WHAT I'M TRYING TO DO
The server resource limits sometimes run tight; to help prevent memory exhaustion, I've had to limit server processes. I'm needing a little expert help to know if I'm on the ...
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1answer
73 views
Nginx as a reverse proxy + Apache or completely cut out Apache? (WordPress Multisite)
I am starting a WordPress multisite network with domain mapping and I am trying to think through my server set up. Right now, I only have one medium sized VPS but hopefully I will need to add more ...
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votes
1answer
185 views
How to speed up a MySQL Import [closed]
I posted a related question on askubuntu.com, but this may be a better place and way to ask it.
I'm working on a way to speed up a db import. Currently the import is taking a week, give or take a few ...
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2answers
262 views
Apache2 - Optimal values for ServerLimit, MaxClients, MaxRequestsPerChild for very HIGH traffic website [closed]
I'm running a traffic intense site (200k daily). At peak time (2500+ active online) site gets drastically slowed down and increase in page loading time.
We use front end + MySQL database on same ...
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2answers
159 views
Optimize Windows file access over network
At my company I frequently need to access shared files over a Windows network.
These files are located on the other side of the planet, so I guess the file share goes through some kind of VPN over ...
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1answer
62 views
Windows 2008 R2 VPS resource footprint reduction
Given a Windows 2008 R2 Standard VM with:
4x vCPU Intel Xeon E5620
1GB RAM
15GB HDD
What can I do to reduce the amount of CPU/RAM/HDD utilised by the OS?
The VM will be used exclusively as a web ...
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0answers
122 views
How to manage postgres server cpu load and idle in transaction warning? [closed]
I am using postgres db with django app. I created two daemon process out of it, one is used for scheduling some tasks(APScheduler) and other one is to dump events into database subscribing them via ...
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0answers
70 views
Performance optimization of Amazon EC2 site
I have a site hosted on Amazon EC2 (USA West) running on a micro-instance. Unfortunately these are the load times as reported from Google Analytics
Avg. Page Load Time (sec): 9.94
Avg. Redirection ...
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0answers
20 views
Is it correct to say that Exchange 2010 rollups are NGened, while the SP's are not?
I noticed that while applying rollups to Exchange 2010, that a significant amount of time is being spent on the NGen phase (approx 1 hour for me).
I'm not clear if either SP1 or SP2 had a similar ...
3
votes
3answers
297 views
Optimize Apache performance
I'm looking for ways to optimize our current web server hosted in-house. I'm trying to supply as much relevant information below. Please let me know if you would require additional information in ...
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1answer
293 views
MysqlTunner and query_cache_size dilemma
On a busy mysql server MySQLTuner 1.2.0 always recommends to add query_cache_size no matter how I increase the value (I tried up to 512MB). On the other hand it warns that :
Increasing the ...
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0answers
147 views
Extremely slow response when connecting to remote MySQL database (LAMP Server)
I installed a LAMP server and enabled MySQL remote connections but I'm experiencing really bad response times when connecting to the database remotely from a WordPress install.
I've been looking ...
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1answer
89 views
How to delay and queue commands for execution at a later time? [closed]
My site receives numerous uploads and I can't afford to waste cycles and time processing them on the spot (e.g., trimming, optimizing, resizing, etc.). What technologies exist to delay and queue these ...
1
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1answer
178 views
Monitoring outgoing bandwidth of application
I currently have a VPS that is consuming a ton of outgoing bandwidth and I am trying to drill down to where this may be coming from. Does anyone know of a logical way to go about finding out which ...
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0answers
27 views
Apache + mysql + varnish eating all server memory with low very traffic [duplicate]
Possible Duplicate:
Why does Red Hat Linux report less free memory on the system than is actually available?
I've just installed Varnish in front of Apache2 to run a Magento ecommerce.
Now ...
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1answer
123 views
WAN Optimization for Small Office/Home Office
I have been reading up on WAN optimization for the last while, mostly out of interest of speeding up my own internet connections, but also to speed up the office internet connection. At home, I have 2 ...
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3answers
186 views
What's the difference of running ab locally and remotely?
I was benchmarking my site with apache ab and I noticed that the response time had big differences when running ab on the server and running ab on a client box remotely.
So what's the biggest ...
1
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0answers
79 views
Nginx for a site allowing downloads
My friend have a site that allows users to download files.However the moment one guy start downloading server load change from 0.00 to 3.50 in a matter of minutes.Nginx and php-fpm reach D state and ...
1
vote
3answers
75 views
Lots of files being used by blank web page. What are they?
I am trying to optimise a website and I was using the network waterfall facility in Google Chrome. When I looked at the results there were lots of files which I didnt recognise. I first thought they ...
1
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1answer
161 views
How can I lower MySQL single-page reads?
My innodb buffer pool size is 8GB and my database is 6GB in size but I see this:
Innodb_buffer_pool_reads 263.5k - The number of logical reads that InnoDB could not satisfy from buffer pool and had ...
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1answer
50 views
Mysql proxy in comparison with two database connection
We have a situation in which we have master salve databases, we write in master and read from slave. in application we defined two connections one for write and other for read.
I came to know know ...
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1answer
71 views
In cloud environment is it better to get two separate instance for mysql and php-app or get one large instance
We are using cloud environment for our web-apps, i need an expert opinion on hosting our applications.
our application built on php & mysql, i want to know which is the most efficient and/or cost ...
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2answers
199 views
Best way to optimize (loss-less) thousands of jpgs in a windows folder structure?
Using Smush.it or Firebug's built-in image optimizer I realize we can reduce the file size of all of our web jpgs. By quite much actually. As we have hundreds of thousands of images, is there any way ...
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1answer
59 views
Balancing bandwidth allocation for nfsd
I am using NFS shares to transfer image files using clonezilla onto multiple lab machines, I am currently only imaging one or two machines at a time as a testing protocol but whenever I run more than ...
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1answer
1k views
Apache prefork optimization - Choosing the right `MaxRequestsPerChild` value
I'm trying to optimize our web servers to handle as much connections as possible. I read a many posts and the Apache notes. I'm trying to understand which value should I choose for ...
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1answer
325 views
How do i set a cronjob to use less CPU
I'm managing a server witch host several ruby on rails websites.
I need a cron job for every website that does :
send emails (notifications)
create thumbnails
Unfortunatly, every time the cron is ...
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2answers
300 views
Optimize Apache - should I use APC / nginx?
I've read many posts regarding Apache optimization. While reading, two names repeated over and over again, nginx and php-apc.
I've tried to understand which of them might be helpful for me, but i ...
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1answer
2k views
Optimal MySQL my.cnf setting for large Magento site on a dedicated server
Our dedicated server is running a large Magento store with a MySQL database approximately 250MB in size.
The server spec is listed as having 5 Xeon 2Ghz processors (4MB cache) and 12GB of memory.
...
1
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1answer
219 views
How can I optimize system resource usage for many different gunicorn powered Django sites with low traffic?
My server is a Linode with 768MB of RAM. It is home to around 8 small, low traffic Django sites powered by Nginx, Supervisor, and Gunicorn. Currently, each site has its own Linux user account, with ...
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votes
1answer
331 views
What webserver to use for a hentai website? Nginx or Apache? [closed]
I got a Linode VPS with 768MB. On another server (Speedysparrow), also with 768MB, i have Nginx running and it's awesome, as you can see here: http://www.ubuntubrsc.com/. This website, with the setup ...
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2answers
360 views
gzip compression increases performance, then eventually increases response time from server
Here is my current server scenario.
I'm running on a Rackspace Cloud instance (16GB of RAM), using cPanel/WHM on a CentOS 5.5 install.
I'm currently running about 10 Magento sites, all varying in ...
20
votes
7answers
2k views
Options to efficiently synchronize 1 million files with remote servers?
At a company I work for we have such a thing called "playlists" which are small files ~100-300 bytes each. There's about a million of them. About 100,000 of them get changed every hour. These ...
1
vote
1answer
117 views
Check VPS resource consumption of a website
I've got a website (I'd say poorly optimized as it's my own code and I've never optimized a website before) and now that it's getting more visits the server load increases to up to 4-5 when there are ...
2
votes
2answers
524 views
Is there guidance to optimise W2008R2 threading performance?
I want to make sure that my W2008R2 box has least possible interrupts and context switches on the CPU threads.
I have 4 cores / 8 HT threads CPU. I am running a single application which uses only ...
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0answers
78 views
Why does this one file not respect .htaccess' cache-control header?
Testing performance improvements, I added an .htaccess file with the following directives to my /assets folder (where I store a few images of various types).
<FilesMatch ...
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1answer
142 views
Apache/PHP Elastic Beanstalk - Track Which Request is CPU Intensive
At certain seemingly random parts of the day, my CPU usage will spike up from ~10% on 1 m1.large to 70% on 4 large servers. This all happens within 20 minutes and stays this way for a few hours and ...
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1answer
161 views
Configuring nginx and PHP5-FPM
I have a VPS with 1 CPU Core, when I was searching around for some nice documentation on configuring nginx and php5-fpm I constantly came across stuff like "I have a dual core CPU so I will limit this ...
2
votes
1answer
94 views
How would you configure a dedicated static media HTTP server?
Now that more websites are switching to a set-up with nginx in the front and Apache in the back (or a different webserver doing a better job at serving static media than Apache), I was wondering the ...
5
votes
2answers
810 views
How do I optimize TCP stack for HTTP server?
I have a HTTP server that serves only two kinds of page: about 10 KB and about 16 KB (both compressed, other files are from CDN). As the latency is quite high (ping takes more than 300 ms), I want to ...
