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2
votes
3answers
144 views

How do I determine the number of seeks performed on Linux?

I have two programs that write to my servers disk. One I wrote, it does linear writes, it's writing data quickly. Another I'm benchmarking, it's writing data at a 3rd of the speed. It doesn't do much ...
2
votes
2answers
325 views

Benchmarking MS SQL Server 2008

We have several production SQL servers, some physical, some virtual. I would really like some generic scripts that I could run against each maybe using AdventureWorks to stress test them and compare ...
1
vote
1answer
37 views

How benchmark server with load balancer

Hey I have four computers(with linux): two with mediawiki(mirror, both connected to one db) one with mysql one server(DHCP,DNS etc) I configured on my server load balancer and now hen I type in ...
1
vote
1answer
99 views

Verify server performance

I'm looking for a quick and SIMPLE way to verify that new servers are performing as expected. The most important metric is disk performance, second is network performance. I’m trying to prevent ...
0
votes
1answer
167 views

Issue with Dovecot connection staying alive : memory or configuration issue?

I had a similar question posted a while ago, and I Thought it fixed my issue, but that was unfortunately not the case. I have a benchmark application which connects about 500 users to a Dovecot 2.2.5 ...
0
votes
1answer
52 views

Mysql general query log tool to play back queries in time?

I am trying to reproduce production activity in time for benchmarking purposes from the mysql general query log. I'd like to be able to use the date data from the log to reprduce the time intervals ...
0
votes
1answer
117 views

Benchmarking TCP Server

I've written a very basic TCP-Server based on libevent. Now I would like to test the Server. Is there a tool which generates a lot of connections so that I can check how much concurrent connections ...
0
votes
1answer
178 views

Using Opennebula as an IaaS: Running benchmark accross all nodes, possibe?

Our current situation: We have one Opennebula cloud infrastructure consisting of a cluster controller and 6 cluster nodes configured and working. All Nodes run debian instances on top of a kvm ...
0
votes
1answer
137 views

Benchmarking MySQL on win7

I've setup a nginx server running php 5.3.6 and mysql 5.5.1.3. My computer is an AMD quadcore 9650, 4gb ram, 500gb 7200rpm HD. I ran the PHP MySQL Benchmark Tool v. 0.1, and got the following ...
0
votes
1answer
445 views

Apache Bench high standard deviation

I´m having problems doing apache benchmarks with ab on my servers. Basically, all the results got a high standard deviation, invalidating the results. This is an example resultset: Connection Times ...
1
vote
0answers
15 views

Benchmark Bootdisk

We have a number of Windows PC's and servers lying around the office and I am looking for a simple A/B way to decide whether to keep or scrap them. I can see a number of benchmark tools around from ...
0
votes
0answers
86 views

How should I run HPC Challenge benchmark on Ubuntu?

I've found a package on Ubuntu, http://packages.ubuntu.com/precise/hpcc. An older version of it reads as description: "The High Performance Computing (HPC) Challenge benchmark runs a suite of 7 ...
0
votes
0answers
23 views

How to benchmark a whole storage infrastructure

I'm a 100% sure that I'm not the first one to consider benchmarking a whole infrastructure, but yet I haven't found any relevant information on how to face this challenge. As I guess we all know what ...
0
votes
0answers
181 views

nginx + apache + mod_wsgi can not pass ab -c 20000 -n 40000 bench test

i set up nginx as the reverse proxy server in front of an apache + mod_wsgi + python2.7 backend. nginx and apache are in 2 physical machines with 24 threads cpu (Xeon E5645). if i run the "ab -c 20000 ...
0
votes
0answers
247 views

Few slow requests with a tomcat 5.5 server

we are testing our Tomcat 5.5 Server on a Debian system. And we can see, that a few requests are very slow and can't find a reason therefore. We did some tests with Apache benchmark like this: # ab ...