The benchmarking tag has no wiki summary.
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25 views
How can I decide real vs virtual cores if i need intensive calculus? [closed]
Assume that I have a computer called A with a processor that has two cores and has hyperthreading, i.e it has 2 cores with 4 threads (I understand that this can supply to 4 processes simultaneously), ...
-2
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2answers
42 views
Benchmarking a server [closed]
I have an application that needs strong performances from the server on which it runs.
Usually the application is deployed on one of my servers and then sold to my customers. However, sometimes, some ...
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1answer
16 views
standard platform performance test
We're currently running our application on Heroku and are seeing the limitations of its platform (mainly due to the cost of scaling).
We're looking to run our own setup on something like Amazon. ...
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2answers
55 views
Benchmark linux server?
I want to benchmark some servers but i have never done it before. Could someone suggest me some script or give me some guidelines for testing of basic, usual web server. What are the most important ...
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1answer
28 views
Use switch or direct link
We are thinking of setting up a high availability PostgreSQL server with master-slave configuration (possibly multiple slaves). Should we use a direct link between a master and a slave or let them ...
-1
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2answers
116 views
How to compare CPUs for scientific computing? Replacing an old cluster with a new one: how to benchmark? [closed]
We have 40 different Intel e5420 "cores" spread across eight rack machines. These machines are about five years old. The application is scientific computing, specifically a kind of single threaded ...
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3answers
69 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 ...
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0answers
24 views
System for keeping and analysing benchmarks
I am doing a lot of benchmarks (web performance mostly: ab, siege, gatling, tsung, selenium, time, lot of ad hoc created tests).
Results are coming in lot of different formats (csv, xml, db, json ...
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0answers
24 views
Running Netpipe-MPICH (NPmpich) on Debian 6
I'm trying to run the MPICH2 version of Netpipe on two systems. They're running on Debian 6, the mpdis started on both machines. mpdtrace -l says this:
mpdtrace: skimpy2_40290: lhs=skimpy1_54864 ...
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1answer
28 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 ...
0
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2answers
172 views
Testing disk performance of virtual machines
We're considering moving from physical dedicated servers to leased virtual machines. I understand that a common problem with virtual machines is the performance of the SAN they are running from. As a ...
2
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1answer
52 views
benchmarking a vps system
I've been having some performance problmes lately with my ecommerce package (ASP.net + SQL Server) running on Hyper-V based VPS so I am thinking about switching my VPS for a faster one.
To evaluate ...
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2answers
167 views
Is there an objective way to measure slowness of PC/WINDOWS?
We've a lot of users that usually complain about that his PC is "slow". (we use win XP).
We usually check startup programs, virus, fragmentation, disk health and common problems that causes slowness ...
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2answers
262 views
Iozone: sensible settings for a server with lots of RAM
I have just acquired a server with:
2x quadcore Xeons
48G ECC RAM
5x 160GB SSDs on an LSI 9260-8i
Before deploying the target platform, I'd like to collect as much benchmark data as possible, ...
0
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1answer
122 views
Benchmarking a webserver using AB won't parse images
I'm using AB to benchmark one of my servers but it doesn't seem to parse the images at all.
If I use ...
ab http://foobar.com/image1.jpg
It works brilliantly, but if I use ...
ab ...
0
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1answer
354 views
Slow connection times from remote server doing apache bench
I am trying to measure perfornace on nginx with ab. Doing the same ab from the local machine gives me about 10 times the requests per second as from a remote machine that is located on the same ...
2
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2answers
139 views
Local vs cloud benchmark testing — which is better?
I have tried using Apache Benchmark (ab) to test my server. I ran the same test twice -- once locally on my local Mac desktop and once on a Media Temple server I rent.
EDIT:
To clarify, I am testing ...
1
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1answer
259 views
Windows 7 Benchmarking Tools That Drive Microsoft Office Applications
Are there any benchmarking tools that can actually drive MS Office applications in Windows 7 rather than just running various synthetic loads?
I'm looking to measure the impact on user experience ...
0
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1answer
99 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
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1answer
73 views
What options exist to compare the performance of a Solaris 5.9 and a Linux (Redhat RHEL 5.X) Server?
What options exist to compare the performance of a Solaris 5.9 and a Linux (Redhat RHEL 5.X) Server?
I have aging Solaris server and a replacement Linux server hosted on VMWare. A key success factor ...
4
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2answers
623 views
Generate 10 Gbps traffic across nodes
I want perform a network performance benchmarking test so need to generate a 10 Gbps traffic in the network. The nodes are running RHEL 5.x. Can anyone please point me out to suitable binaries etc.
...
9
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1answer
730 views
How do you do Load Testing and Capacity Planning for Databases
This is a Canonical Question about Capacity Planning for Databases.
Related:
Can you help me with my capacity planning?
How do you do Load Testing and Capacity Planning for Web ...
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3answers
3k views
How do you do Load Testing and Capacity Planning for Web Sites
This is a Canonical Question about Capacity Planning for Web Sites.
Related:
Can you help me with my capacity planning?
How do you do Load Testing and Capacity Planning for ...
-1
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3answers
223 views
Windows/Linux HDD benchmark [closed]
I'm going to compare, how windows virtual machines are working in QEMU/KVM environment and IO performance loss. So I want to measure HDD performance in Linux host and Windows VM. Is there any ...
3
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2answers
596 views
iozone benchmark results interpretation
I'm using iozone version 3.373 to benchmark NFSv4 and NBD, but the results are a bit weird! It says that outputs are in KBytes/sec but I am getting values such as 3,411,938 for random read. I am using ...
0
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1answer
150 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
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1answer
554 views
Apachebench on node.js server returning “apr_poll: The timeout specified has expired (70007)” after ~30 requests
I just started working with node.js and doing some experimental load testing with ab is returning an error at around 30 requests or so.
I've found other pages showing a lot better concurrency ...
4
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2answers
779 views
RAID0 (both hardware and md) slower than LVM?
I'm doing some benchmarking of nodes as we build out a distributed filesystem. Since files are going to be distributed and replicated across many nodes, we're using raid0 on the nodes themselves. ...
0
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6answers
2k views
How come Core i7 (desktop) dominates Xeon (server)? [closed]
I have been using this performance benchmark results to select what CPUs to use on my web server and to my surprise, looks like Core i7 CPUs dominates the list pushing Xeon CPUs into the bush.
Why ...
1
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1answer
1k views
fio config to measure IOPS against provider SLA
So a provider has given us 500 IOPS/TB as their SLA standards for disk performance in a VMWare & RAID5-SAN environment. This is apparently measured with:
16kB average transfer block size
3:1 ...
0
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0answers
160 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 ...
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5answers
215 views
What is the best way to compare the performance of different servers?
I've got a site with a LAMP stack and I'm looking at moving to a new hosting provider (currently on a dedicated server and looking to move to a cloud provider). What is the best/most reliable way to ...
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1answer
660 views
best way of testing HD throughput for random reads on linux
Is there a benchmark program I can use to measure random read speeds of a vps without interference from the kernel cache? Also looking for something where you can change the read sizes say 4k-64k.
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1answer
517 views
What's a good free open source hard drive benchmark?
After a quick search on Freshmeat I found nothing. Anybody know of a good utility?
I normally use time (dd if=/dev/zero of=newfile ...) to test write speed
and hdparm -t to test read speed.
Thanks.
...
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2answers
166 views
How to benchmark a fiber storage structure
We have an VMware structure, that uses a couple of physical hosts, a blade chassis and two SAN storages (a Fujitsu DX90 and a Fujitsu Fibrecat SX88). The two physical hosts have most of the LUNs on ...
2
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5answers
2k views
Simple Linux server benchmark?
I am working on a product which will run on customer's Linux servers. These systems vary in capability greatly and I'd love to have a single benchmarking tool which I could ask them to run to get an ...
0
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2answers
482 views
What's a good network benchmark test?
What's a good way to benchmark a network connection? I'm looking for something like the Windows Experience Index, but for my internet connection.
For example, one place I visit has what seems to be ...
0
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1answer
125 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 ...
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6answers
3k views
Network latency: 100Mbit vs. 1Gbit
I have a webserver with a current connection of 100Mbit and my provider offers an upgrade to 1Gbit. I understand that this refers to throughput but the larger the packets, the faster they can be ...
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8answers
506 views
Any tool to benchmark web server performance
What I wanted to know is if there is any easy tool for me to run in Centos linux to know how good the box is.
Disk IO, CPU, Memory ...not only the data but their performance under high usage, high ...
3
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2answers
709 views
Apache ab: choosing number of concurrent connections
I can't find anything that specifically elucidates the number of concurrent connections that are reasonable - nor can I find any treatises or research on this topic.
The boss says "The server needs ...
10
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1answer
2k views
Apache ab: please explain the output
I've looked around, and can't find any detailed explanation of the output at all. Most is indeed easy to understand, but there is one part that flummoxes me:
Time per request: 109537.505 [ms] ...
0
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1answer
239 views
How do I interpret ByteMARK / nbench results?
As part of a server burn-in process, I am running nbench (BYTEmark). The results show two FLOATING-POINT Indexes and two INTEGER Indexes in the results, one under "Original Bytemark" and the other ...
0
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2answers
86 views
Cloud suited for benchmarking
Sorry for possible double post : I moved this question from stackoverflow, since it fits better here.
I use Amazon EC2 as my working machine, which is all dandy. But I also need to run CPU intensive ...
2
votes
2answers
269 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 ...
0
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1answer
537 views
Benchmarking hosting providers IO with Bonnie
Ok, because of a bunch of projects I'm working on I've access to dedicated Servers on a 3 hosting providers.
As an experiment and for educational purposes I decided to see if I could benchmark how ...
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6answers
833 views
How to test the connection speed of a server?
What are the techniques to test the connection speed of a server (in my case, virtual Ubuntu server @ Slicehost)? Bonus points for one liner bash command.
1
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2answers
537 views
Need help trying to diagnose Symmetrix SAN performance issues
I am helping to benchmark hardware for a new SQL Server instance, and the volume presented to the OS for the data files is carved from a set of spindles on a Symmetrix SAN. The server has yet to have ...
2
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1answer
638 views
Apache Bench — How to read AB data? My small, cloned dev server outperforms my production server. How do I rule out server hardware as an issue?
I'm getting very confused how to read Apache Bench data.
Apache Benching my local machine gives me wildly different numbers between my dev linode and my production linode. My dev server is a 512mb ...
5
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4answers
7k views
How to generate CPU load on Linux server
I would like to test fake load on the server, I'm looking for some burn-in or benchmark command line utility that would generate CPU load on the system.
I would like to be able to burn-in only CPU ...
