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4
votes
2answers
59 views

How can I benchmark my website with SPDY support?

I'm currently running a lot of configuration benchmarks on my server using siege, and I would like to try the SPDY protocol (with mod_spdy for Apache) - but siege use HTTP. Do you know any tool which ...
2
votes
4answers
104 views

What does “random seek time” really means in HDD benchmarks?

I am currently benchmarking a hard drive. I am using HW32 for the measurement. The result has two parts: random seek time: 20 ms random read throughput: 30 Mbytes/s I am not sure the methods HW32 ...
0
votes
2answers
35 views

analyzing webserver benchmark

Recently we get a lot more traffic to our webserver and sometimes it doesn't respond anymore. We have changed some settings and to get an idea of what our server can handle I've run some ab tests. We ...
2
votes
1answer
106 views

CPU Throttling on Opteron 6272 in Windows

I'm in the process of attempting to benchmark a multithreaded application on my new HP Proliant Server which has an 2x Opteron 6272 and 64gb of ram. When I run the application on a desktop machine (a ...
0
votes
3answers
202 views

What HD/SSD performance benchmarks are relevant to SQL Server?

I'm looking to buy an SSD for a SQL Server computer, what benchmarks should I be comparing? High/low queue depth? Random/sequential transfer rates? IOPS?
1
vote
1answer
60 views

Test Centos performance

I have a VPS with 4GB Ram and Core17 processor. The server its working really bad, the basic commands like w, ls or top have a serious delay and the page speed from google webmaster is way up. Of ...
0
votes
1answer
96 views

Short write and read speed disk benchmarking

We're using cloud hosting for some of our backend servers and we noticed that performance on the disks (which as confirmed by the provider are shared with other customers) vary depending on the ...
1
vote
3answers
223 views

What are the best possible ways to benchmark RAM (no-ECC) under linux / arm?

I want to test integrity and global performances of no-ECC memory chips on a custom board Are there some tools that run under linux so I can monitor system and global temperature in the same time ? ...
0
votes
0answers
55 views

Free benchmark tool for evaluating the performance of server side Java [closed]

Do you know a free benchmark tool for evaluating the performance of server side Java for Linux? In the literature SPECjbb2005 is often used for this purpose but there isn't a free version. I need to ...
2
votes
2answers
74 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
vote
1answer
140 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
votes
1answer
487 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
votes
3answers
107 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
161 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
votes
1answer
392 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
votes
4answers
335 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 ...
-1
votes
1answer
55 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 ...
1
vote
0answers
218 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 ...
1
vote
0answers
84 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
votes
1answer
152 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
vote
1answer
105 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
votes
2answers
284 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 ...
-1
votes
1answer
76 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
259 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
votes
2answers
316 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
votes
3answers
260 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
votes
5answers
2k 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
votes
1answer
258 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
vote
1answer
639 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 ...
1
vote
0answers
43 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
128 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
votes
2answers
135 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
votes
2answers
219 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 ...
5
votes
1answer
575 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
votes
1answer
264 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
vote
2answers
230 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
votes
1answer
61 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
votes
2answers
232 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
vote
1answer
121 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 ...
1
vote
0answers
287 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
votes
1answer
134 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
votes
1answer
391 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
votes
1answer
88 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
vote
3answers
243 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 ...
1
vote
0answers
382 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: ...
0
votes
1answer
93 views

Firewall perfomance test

What tools you can recomend for firewall and/or VPN perfomance testing (TCP & UDP traffic) ? iperf?
3
votes
3answers
120 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
votes
2answers
303 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
vote
1answer
115 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
151 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 ...

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