Performance tuning is the process of modifying a system to improve its efficiency. This is also known as optimizing.

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156 views

Need help tuning Mysql and linux server

We have multi-user application (like MailChimp,Constant Contact) . Each of our customers has it's own contact's list (from 5 to 100.000 contacts). Everything is stored in one BIG database (currently ...
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826 views

File Control Bytes / Sec in Server 2003 is sometimes VERY high - is this a problem?

We are trying to track down performance problems on our server, and when running SPA or the performance monitor the counter for "File Control Bytes / Sec" sometimes skyrockets, typically about once ...
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292 views

measuring network throughput with netperf

I'm doing benchmark test of Linux server using netperf. According to information at networksecuritytoolkit the theoretical max throughput rate for 1514-bytes packets is 117.35 Mbp/s. However I'm ...
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1answer
106 views

IIS - Overuse of memory is normal? [closed]

I have two servers running Asp.net applications. Sometimes applications are too slow and memory usage seems exaggerated. Specifications: SERVER #1 OS: Microsoft Windows 2003 R2 Memory: 4GB ...
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1answer
221 views

Linux script to check settings and recommend tuning changes? [closed]

I'm searching for a script to run on our linux server and recommend various tuning changes we might consider making, as well as their suggested values for consideration. Any ideas if something like ...
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1answer
249 views

Server optimization for long running script [duplicate]

I have a system running on a remote VPS whose main feature is a long running script (it could run for about 10 hours, depending on the user input). The following are some of its features: Database ...
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1answer
795 views

Tuning JavaVM on AWS/EC2

there's some specific tuning JVM configuration for AmazonWS/EC2 building blocks (small, large...)? Somebody have suggestions for tuning JVM running on these machine profiles? Regards, And Past
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1answer
234 views

MySQL settings for MAXIMUM performance / can be specific to particular DB or user? [closed]

We have a dedicated server, a very powerful one, and I don't believe we are getting the most out of MySQL. Even when running ultra-heavy processes that take a very long time to complete, I'm showing ...
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743 views

MySQL runs at >=100% CPU, heavy disk I/O?

Recently my Debian Linux server has been experiencing slow web server response times. I've investigated and it seems that MySQL is the culprit, yet there are no slow queries indicated by the slow ...
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1answer
467 views

Which will give more free RAM to linux? [closed]

Trying to avoid some issues so I've been trying to learn vm. in kernel tuning but still a little confused even after googling. The lower background_ratio is the sooner the flushes? the lower ...
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1answer
772 views

HP DL360p Gen8 for low latency trading - what to upgrade? [closed]

I'm using HP DL360p Gen8 for low latency trading (but not ultra-low-latency!). It means that i'm working in frame about "10+ microseconds" and i don't care about "1-5 microsecond" or nanoseconds. I ...
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1answer
38 views

Analyzing server performance [duplicate]

Analyzing server performance Hi we have recently finished work on one ecommerce site which is built on opencart 2.x and site has around 1k products. The site is currently running on VPS server. from ...
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508 views

Centos Server Recently slowed down significantly

I have Dedicated Server on 1and1 with RAM - 16 GB HD 1000GB CPU: Intel(R) Xeon(R) CPU E3-1270 v3 @ 3.50GHz, 4 cores Centos 6 Apache/2.2.15 PHP 5.3.3 Mysql I have a video sharing website (on ...
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1answer
49 views

Ideal number of server, setup and management [closed]

Have read how large scale sites use different servers for different purpose. Here's what I have in mind: Main app - 1 server Database - 1 server Static files - Cloud hosting (e.g. AWS) Backup - 1 ...
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0answers
20 views

AMD A10-6800K APU not lowering frequency under Windows 7 below 2000 Mhz

We run many of our machines under FreeBSD and its powerd daemon lowers the frequency when idle down to 250 Mhz in ~250 MHz increments (i.e. its next step-up is 500, etc all the way up to 4100) ...
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1answer
29 views

Find a load on my Web Server [duplicate]

As requested, I am asking the question here. Is there a way to find a load on my web application server without a load / stress testing? I have deployed my application in the Apache Tomcat server. ...
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2answers
729 views

What are the optimal tuning values for RHEL 5.3 Xen kernel on a Dell 2950? [closed]

How to do Linux Tuning and Performance? any one has done for xen kernel ?
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1answer
122 views

Apache optimization needed [closed]

What is the best values for "worker" if you have very very high traffic? Like 500M page views per day? I want to test my server with that much traffic but how can i setup to handle that much traffic ...
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1answer
180 views

Can a large number of network hardware interrupts cause a machine to be underutilized?

I don't know much about networking sorry. I'm building a client / server where the server streams a lot of data to the client and I'm trying to maximise throughput (through TCP). If I run both client ...
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1answer
356 views

CFQ vs Deadline - performance benefits [closed]

Running CPanel and wondering what would be the best for web hosting? deadline is more balanced over CFQ right so would allow for more I/O activities right