0
votes
3answers
224 views

How to protect server from simple DoS attack

Please note I am NOT asking how to protect server from DDoS. What I mean is that if someone runs siege -c 1000 www.example.com on his VPS. That will result in my server serving thousands of requests ...
1
vote
2answers
206 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 ...
2
votes
3answers
170 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 ...
0
votes
1answer
80 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 ...
1
vote
1answer
2k 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 ...
1
vote
1answer
1k 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.
2
votes
5answers
4k 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
votes
1answer
341 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 ...
7
votes
4answers
15k 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 ...
3
votes
3answers
1k views

Artificially burden the CPU

I'm looking for a command line application that will artificially burden the CPU. It needs to be better than just a busy loop. We're testing how the system holds up under heat stress and the CPU ...
7
votes
6answers
11k views

Estimate FLOPS in Linux?

I am looking for a quick and easy program to estimate FLOPS on my Linux system. I found HPL, but getting it compiled is proving to be irritating. All I need is a ballpark estimate of the FLOPS, ...
5
votes
4answers
1k views

Benchmark linux box

What's the best tool to benchmark a linux machine? I'm comparing machines from two different cloud providers. It needs to be a command line tool. Just need to benchmark CPU and I/O performance.
4
votes
5answers
6k views

Disable all disk caching for apache2 on linux

For benchmarking purposes I want to force Apache 2 to load each requested file from disk instead of loading it from a cache in memory. From what I have read doing a sync followed by echo 3 > ...
1
vote
5answers
2k views

How can I generate different levels of disk load on a Linux (2.4) system

I need to find out about the impact different levels of disk I/O have on my application. To do so I am looking for a way to generate different amounts of disk load while I am running the application ...
36
votes
7answers
29k views

What is the best Linux filesystem for MySQL (InnoDB)?

I tried to look for benchmark on the performances of various filesystems with MySQL InnoDB but couldn't find any. My database workload is the typical web-based OLTP, about 90% read, 10% write. Random ...
1
vote
2answers
322 views

ApacheBench: Request times going into the ether

I have an Apache server that's proxying to Tomcat via mod_jk. I've set up a custom log in Apache to log the access times: LogFormat "%h %l %u %t \"%r\" %>s %b %D" transfertimes CustomLog ...
0
votes
3answers
1k views

What program can I use to benchmark network traffic? [duplicate]

Possible Duplicate: How to test real network throughput between two points? Given two computers connected by some network interface, is there a standard tool used by an academics publishing ...