The benchmarks tag has no wiki summary.
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1answer
60 views
Apache memory consumption
I am currently having very severe problems with my Linux CentOS dedicated server. For some peculiar reason, all of my memory is being consumed by apache and resultantly, my qmail process is crashing.
...
0
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1answer
198 views
OpenStack on Centos 6 vs ubuntu
I want to install open stack on centos 6 but the documentation and most of the tutorials go on with Ubuntu. I want to know if there are any particular advantages of installing open stack on Ubuntu? ...
0
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3answers
91 views
Why is static page response time going up with increased concurrent requests
I don't understand the performance I'm seeing from apache. I would expect that more concurrent apache requests would perform better than fewer, up to a point, but beyond 3 concurrent requests, overall ...
4
votes
3answers
88 views
Tools to Benchmark VMware Datastore
Is there a tool that can be used to determine the maximum IOPS on my Datastores? Due to the way the SAN is configured (poorly by the installer) it's difficult to calculate this and we want to know ...
0
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1answer
236 views
Is there any performance data comparing Hyper-V and VirtualBox?
I'm planning to run a few (<10) Windows VM guests on my workstation (HP Z400, Xeon with 8G Ram). I got 2 options,
1. Hyper-V server (free)
2. Windows 7 + VirtualBox
Are there any benchmark results ...
2
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3answers
204 views
x86 Router Benchmarks?
I have grow to prefer x86 based router OS's like Vyatta and pfSense over their competitors Cisco and Juniper (I never really used Juniper, but still.). However, they feel "fake" to me, like ...
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1answer
46 views
How does this benchmark calculation work?
I am testing disk I/O performance on a server of mine, which will eventually run Postgresql. I am following this web site to perform my benchmarks.
The benchmark consists of running dd and ...
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0answers
136 views
How are these AB Benchmarks for a ruby/unicorn/nginx/ app running on ec2?
I am preparing to go live with an app, and was wondering if someone can give me some insight on my benchmarks. How do they compare, what system level tweaks can I make to improve them etc.
My setup ...
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0answers
48 views
nginx fastcgi benchmarks?
I seen some benchmarks showing nginx handling 1k+ request per second (from the local machine) along with some memory data of said request.
What i have tried to find but coudln't is benchmarks of ...
2
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1answer
117 views
Do these results look right for 4xSATA in RAID 10? The writes are faster than the reads?
Do these results look right for a RAID-10 consisting of 4x1TB Samsung F3 SATA drives connected via a Dell Precision T3500's integrated RAID controller (which I believe is an Intel-based "FakeRAID")?
...
1
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1answer
82 views
virtio /proc/net/dev
we are doing some VM (citrix-xen) / real machine benchmarks at university and ran accross a strange behavior. we used netperf's stream test to meassure the performance between the two machines. both ...
0
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2answers
199 views
Cloudflare hurting performance
I recently set up cloudflare on a new site I'm about to launch. I ran some benchmarks with it on and with it off and the output is extremely troubling. Does this make sense to anyone?
Before when ...
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1answer
61 views
From where do I run the apache benchmark?
Im trying to tuneup my LAMP and would like to run the apache benchmark to see how many concurrent connections can the server handle on stress
from where do i have to run the ab? is it from the ...
2
votes
3answers
127 views
What benchmark tool to use to benchmark hardware for VM server?
We are setting up a new piece of hardware to virtualize several of our servers on. Choices are RAID 5, RAID 6, and RAID 0+1.
We are wanting to benchmark all three before we go live with the machine, ...
0
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2answers
245 views
Nginx + PHP-FPM Benchmarking with JMeter - Spikes
The setup is
EC2 Micro instance
Nginx 1.0.0.5 with FPM
PHP 5.2.17 with CGI
App connects to MySQL on RDS
Collectd for monitoring
JMeter is used on other servers on same EC2 region (so latency is ...
0
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3answers
165 views
How do I check how many users can a server handle before going online?
I'm moving a site from shared hosting to a VPS, which I have set up. I've made a change to my hosts file so that I see the site on the new server - it works ok as long as I'm the only user. But I want ...
12
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5answers
790 views
Anyone seen a meaningful SAS vs SATA comparison/benchmark?
I hear lots about SATA being slower than SAS but I've only found 1 decent benchmark.
http://blog.whitesites.com/SAS-RAID-0-VS-SCSI-RAID-0-VS-SATA-Benchmarks__633689244191943184_blog.htm
In this, SAS ...
0
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1answer
188 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.
...
1
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1answer
467 views
Testing SSL performance on Nginx
I'm running nginx 1.0.0 on CentOS 6 x86_64 with stock OpenSSL. Below are results of openssl benchmarking.
sh# openssl speed aes-256-cbc
OpenSSL 1.0.0-fips 29 Mar 2010
built on: Sat Jun 25 04:58:15 ...
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0answers
40 views
Strange behavior when benchmarking a Rails application
I was making some benchmarks on my Rails application before releasing it in production.
When running Apache benchmarks with only 2000 requests and 10 concurrency level I have seen that the last 20% of ...
0
votes
1answer
102 views
Performance of multiple VirtualHosts vs. ServerAlias in Apache2?
until now, we had multiple web servers with multiple IPs and a lot of domains pointing to them (most of the domain logic was inside our CMS). I liked this aproach because a lot of configuration could ...
2
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2answers
110 views
Transfer between internal disks slows down for large files
I'm running a Ubuntu Server 11.04 (amd64) on a machine with 1.6Ghz dual-core CPU, 4GB RAM, and 2x250GB 7200 SATA drives (both 3.0Gb/s and newly formatted from a fresh install). When I transfer ...
2
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2answers
153 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 ...
4
votes
1answer
209 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
202 views
Understanding PassMark CPU benchmark results
I'd like to know how the CPU benchmark results for CPUs posted at, for example, http://www.cpubenchmark.net/high_end_cpus.html, compare. Is the scale linear, so that a CPU with a score of 2,000 is, on ...
1
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2answers
177 views
Troubling AB benchmarking result?
I'm a real noob when it comes to sys admin. I'm running an app on an EC2 MicroInstance.
Before I launch publicly, I want to make sure that I hit a minimum level of performance. I'm trying out some ...
0
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1answer
56 views
What is the easiest way to benchmark a webserver? [closed]
I want to compare my home server (Debian 6) and Amazon EC2 (Ubuntu 10.04)
Is there a program that I can simply and download and run to get the comparison values?
I want to compare harddrive I/O, ...
0
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1answer
169 views
Is it possible that my VPS is outperforming my dedicated server?
VPS specs:
Linode 512 (more info)
Dedicated server specs:
Dual Atom (more info)
john -test on the Dedicated server
john -test on the Linode
1
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1answer
112 views
What is the best way to estimate hosting/server costs? [closed]
Possible Duplicate:
Good sites for discussing specific hosting provider/server specification scenarios
I'm currently developing a web app that is built on the LAMP stack. I want to know how ...
0
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0answers
198 views
ejabberd benchmarks and performance
I'm considering to use XMPP for messaging platform (not a chat, I'd rather use it as a transport protocol) for communicating one to one, one to many between custom clients and I think I will ...
0
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0answers
112 views
FreeBSD accf_http + Apache 2.2 + ApacheBench - Socketproblem?
when using accf_http ApacheBench (v2.3 from ports) will fail when setting a concurrency greater than 512.
The error is:
apr_pollset_remove(): Could not find specified socket in poll list. (70015)
...
0
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1answer
100 views
How to benchmark Windows 2008 Server performance on clouds
What is the best way to measure speed and performance on Windows 2008 server? There are free trials on ElasticHosts, Rackspace and few others, so I would to take that opportunity and test them before ...
0
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1answer
267 views
Apache Benchmark Keep-Alive
I have a simple PHP script running on an Apache 2.2 (almost default configuration). When running the command ab -n 1 <address> where address is either the local IP or the domain name, I'm ...
0
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1answer
76 views
OS Distro benchmarks website?
Im looking for website which contains OS distro benchmarks (comparing in 32 & 64 bit, comparing PHP execution on the distro, etc.)
1
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3answers
215 views
Packets Per Second and Packet Size
Switches are routers are generally benchmarked in packets per second instead data transfer. In particular, Cisco benchmarks packets per second (PPS) at 64-Byte sized packets.
For example a switch is ...
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0answers
325 views
Performance comparison between LDAP servers
Has anyone ever compared different LDAP servers? I am currently planning to upgrade ADAM to another server, and I'd like to know how do they perform.
Currently the options that I am researching are:
...
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1answer
86 views
Firewall perfomance test
What tools you can recomend for firewall and/or VPN perfomance testing (TCP & UDP traffic) ?
iperf?
3
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3answers
112 views
Would like to loadtest my website
I intend to host my site on a VPS and before I do, I wanted to test to see how much ram/cpu it will require for given number of concurrent users. What is the best way to set up a VPS on a home mahine ...
0
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2answers
263 views
Amazon EC2 performance vs desktop
I'm wondering how to compare performance of EC2 instances with standard dedicated servers and desktop. I've found only comparance of defferent clouds.
I need to find a solution to perform some ...
1
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1answer
110 views
Test load on Web Server
I want to benchmark my server to the best configuration for Apache and MySql. I want you to ask if do you know any script that simulates various users browsing on the website? PD: I'm using ...
1
vote
2answers
128 views
How to simulate high video payload to benchmark an SSD?
I'm trying to evaluate some SSDs for a video on-demand use-case. We've done some benchmarking tests on them, but we'd like to get an idea of the number of video streams that they can support with a ...
2
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2answers
275 views
Best Practices for Webserver Benchmarking
I have a webserver that I wish to benchmark before I make some optimizations to it to see if they have any effect.
However, I want to know what are the best practices for benchmarking?
For example, ...
1
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2answers
348 views
Benchmarking hard disks on Mac OS X SL
On Linux I would usually use "hdparm -tT device" when I want a quick idea of how an hard drive is performing compared to another; having switched to Mac OS X a few months back I have yet to find ...
1
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1answer
141 views
Accurately benchmarking a server
I'm getting a server ready for production, and I'm trying to accurately estimate how much it can handle.
For example, on one of the static pages (the whole page is the same all the time), If I run ...
3
votes
1answer
169 views
What are some current and relevant benchmark tools for Linux?
I'm specifically interested in benchmarks that approximate or target real in the wild usage scenarios.
My main areas of focus are latency, network performance (incoming data over sockets). ...
0
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1answer
289 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 ...
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3answers
268 views
small lan throughput test
My house is Cat6 cabled for ethernet. I want to do some speed measuring.
Background:
Below the stairs is a small server room for the router, DSL modem, a EEE-Box (ubuntu) and a LaCie-Nas used for ...
3
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1answer
224 views
IO/s and MB throughput for Various RAID Arrays
Are there any resources that have typical throughput and IOp/s for various RAID arrays under sequential and random patterns?
In my case I am more specifically interested in at the moment:
6 Disk ...
0
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2answers
219 views
Benchmark different kind of SQL database :What's the best test to do?
I have an application that i can configure to get data from different kind of SQL database server, for example Postgres, MSSQL, MySQL, Firebird ...
I must install this application and the database ...
1
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3answers
342 views
Benchmarking Apache
I'm benchmarking Apache/2.2.3 (prefork) using ab and siege with the following command:
ab -kc 200 -t 120 http://www.mywebsite.com/test.php
siege -c200 -t2M http://www.mywebsite.com/test.php
...
