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4
votes
1answer
72 views

Command line speed test

There are several sites that give you decent speedtest metrics (DSLReports, Speakeasy; PhonePower even has additional VoIP-related metrics). I want to get these metrics on a periodic basis. Ideally, I ...
0
votes
0answers
23 views

Limit download speed,bandwidth, and connections for files on linux?

I have mod_cband installed for my Apache server, but I have no idea how to make it do what I want. This is what I need it to do (per ip) Limit download speed while downloading a file through http ...
2
votes
4answers
84 views

Downloads pause and time out frequently

I'm a new systems and network admin. My experience has been in the hardware and software of systems and servers, the network part is pretty new to me. I'm familiar with plugging numbers into network ...
2
votes
2answers
60 views

Website load speed around the world

I would like to test a small website's loading speed around the world. What are some relevant websites/tools that you find useful for this test?
0
votes
2answers
59 views

How do I get the internet speed that of a hosting company? [closed]

I own a popular website, heavy on traffic and space. I can't solely trust my hosting company with backups, plus - hardware is expensive to rent. So I am looking into hosting the website in-house. I ...
2
votes
6answers
195 views

Effect of distance from server on page load speed

I measured the load speed of a static image file severed by nginx from my server (using pingdom service). The server should normally process this request within few seconds. My server is located in ...
0
votes
3answers
167 views

How much bandwidth speed do I need? [closed]

I have a 100 megabyte (MB) file, and I have a 30 megabit/s (Mb) dedicated bandwidth speed on my server. How many people could download this file at the same time, with acceptable speeds? What ...
2
votes
1answer
184 views

Apache on Win32: Slow Transfers of single, static files in HTTP, fast in HTTPS

I have a weird problem with Apache 2.2.15 on Windows 2000 Server SP4. Basically, I am trying to serve larger static files, images, videos etc. The download seems to be capped at around 550kB/s even ...
1
vote
3answers
75 views

Optimization advices to server a lot of small files

I have nginx+php-fpm+apc setup. No DB. In data folder i have a simple php script that when called with filename parameter checks if the file exists, if it does then it gives it away, if not then it ...
17
votes
5answers
1k views

Extremely fast booting server

I'm changing the way that our DHCP/DNS stuff works at work. Currently we've got 3 DNS servers, and a DHCP box. All of them are VMs. There's a circular dependency where stuff booting requires NFS, ...
-3
votes
2answers
70 views

How to speed up the display of a website

We have a Website on a dedicated server. Here are the server settings: GenuineIntel, Intel (R) Core (TM) i5-2400 CPU@3.10GHz Version Plesk v10.3.0_build1012110629.18 os_Ubuntu 10.04 OS Linux ...
1
vote
1answer
166 views

cat /proc/cpuinfo shows 3.00GHz model but 1400.000 cpu MHz?

I ran this command on ssh to see CPU info: cat /proc/cpuinfo And it says: ... vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Pentium(R) 4 CPU ...
0
votes
1answer
24 views

is there any configuration or setup for ftp(file transfer protocol) SPEED on windows server 2008 (r2)

i am using windows server 2008 (r2) and CuteFTP Pro 8.3.4 for transfer files to my server. on windows server i have iis,dns,ftp,websitepanel... my internet speed is 1mbps and server speed is 5 ...
0
votes
2answers
65 views

Why does sending mails via a modem connection is so slow?

I have a mail server that periodically connects to the Internet via modem dialup. And before I was able to send emails with attachments of 300kb and 500kb in just only 1 or 2 minutes. I have not made ...
0
votes
0answers
15 views

Port prioritization without specifying bandwidth limit

I cannot determine the real attainable bandwidth of my WAN link. It varies througout the day. So, without specifying bandwidth, is it possible to give high priority for a specific port on a Ubuntu ...
1
vote
3answers
84 views

Ethernet link negotiates a connection only in half duplex mode

I have a NIC which is capable of 100BaseT/Full. But it negotiates a connection only on 100baseT/Half mode. Here is the output of mii-tool: eth0: no autonegotiation, 100baseTx-HD, link ok The ...
0
votes
0answers
27 views

local connection or server speed

I have a client who is complaining of a slow connection to my web hosted CMS they say that it seems to be at certain times of day and that other sites run quickly. I test the CMS at the times they ...
5
votes
3answers
96 views

Speed test between clients and server

I want to test each downstream of several clients (~100) which are connected to a media server. They are continuously downloading media files and I want to check which clients have a slow internet ...
3
votes
2answers
137 views

Files served from Apache are slower than other methods

I have a vps with a 1Gb/s line, when running apps on the server I can get (be it not full) reasonable speeds, but when downloading files through apache from this server I never reach close to my line ...
3
votes
1answer
87 views

Does tarring up small files into one big tar file before writing them to tape increase the level of data loss when an error occurs?

I've been looking at our backups recently and noticed that the tape throughput is a lot lower when writing lots of small files, so was thinking of tarring those small files up into one big tar file ...
4
votes
3answers
164 views

How Windows choose what network adapter to use when redundant adapters are available?

I have a following configuration: two Windows Server 2008 non-virtual machines (a database server and an application server) are connected to the same network through two network adapters, a fast one ...
1
vote
1answer
50 views

How to diagnose whether a customer's ISP is throttling access to my website?

We host a website that servers up mostly static files, such as html and flash SWF files. The server is hosted in Auckland, New Zealand. Our customers are mainly secondary/high-schools. In general, ...
1
vote
2answers
101 views

Following migration (Server 2003 to 2008), File Services is SLOW; any idea why?

Okay - the run-down: INITIAL INSTALL Brought a new Dell rack-mount server up, running Server 2008 Standard x64. All Windows updates, File Services role added; everything completed without issue. ...
0
votes
3answers
155 views

RAID setup for high speed reading

We are looking to build a realtime playback machine using Linux and a RAID (5 or 10) setup. The current setup looks like: 12GB memory 5 x 7200rpm drive (software raid) centOS 6 (Kernel Linux ...
0
votes
1answer
29 views

Measuring Download, Upload and Ping

I'm trying a lot to measure download,upload and ping(Packets sent,received and lost) via browser between a wireless client and my freeBSD Server. I tried NodeJS, I came up with a solution, but the ...
0
votes
2answers
186 views

Increase download speed of ftp server

I have a VSFTPD server running in my machine. The download speed is about 30 KB/s, which is way less than my connection speed. I understand the upload speed of the server affects the download speed on ...
0
votes
2answers
79 views

Does a download server's speed determine the download speed of it's content?

If a server is hosting a download, will that server's speed determine the download speed on the side of the downloader or will that not matter since it's the downloader's own internet connection speed ...
0
votes
1answer
157 views

IO Speed virtual image vs Physical?

I am planning on building a Continuous Integration Server (the existing one is too slow). My plan is to run multiple OSes for our application testing on KVM. The structure will be a single physical ...
0
votes
4answers
401 views

Improve server performance by configuring MySQL

I have a server with 8GB of memory, running CentOS 5.4, php 5.2.9, mysql 5.0.77. I have a very large databse of about 20GB (InnoDB and MyIsam tables) and website using it. Website has about 20000 ...
0
votes
2answers
84 views

Calculate internet traffic with speed given

If i got internet speed 20MB/s so the monthly is like 20 * 60 * 60 * 24 * 31 = 53 568 000 Am i wrong?
0
votes
1answer
64 views

File dowload speed issue over a dedicated fibre link

My ISP has installed a fibre based dedicated internet connection at the place where I work. In the beginning the connection terminated at one of the ISP's core routers. It resulted in a strange issue. ...
0
votes
0answers
20 views

Any way to speed up the Services Management Console remote connection?

I want to manage the Windows Services running on a server from my machine, so I do the following: open my local Services Management Console (services.msc) right click the machine node and click ...
1
vote
1answer
132 views

Apache Server status, is this a bad sign?

I've been monitoring my Apache Status lately, and a lot of my users are saying how slow the site is to respond. Here is the Apache Status: Current Time: Tuesday, 21-Jun-2011 20:58:45 EDT Restart ...
0
votes
0answers
118 views

How to get the CPU speed (which maybe variant) on the fly?

I'm curious how to evaluate the current speed of a Amazon EC2 t1.micro instance, as there's burst time slots, the current CPU speed is not static determined, as shown in /etc/cpuinfo. Is there some ...
2
votes
1answer
130 views

NIC bandwidth usage graphing as percent (not kbps/mbps)

I would like to validate a certain thought with you guys. Assuming that: The device whose bandwidth I am measuring is an internal, Linux-based, router. If a NIC is configured to 100mbps, the network ...
0
votes
1answer
189 views

varnish serving static files from subdomains for better page load speed

Optimizing page load speed practices include to load static assets, like images, css, js, from subdomains, so to increase performance, by using cookieless domains, but most importantly by having ...
1
vote
0answers
118 views

Performance issues on LAN with Load balancing

I recently set up a network which is running "slow" and I can't seem to debug the situation. I'm fairly noobie at networks I'll explain the setup and hopefully you can give me possible solutions. I ...
0
votes
2answers
165 views

speedtest and a big lie [closed]

I'm in Tunisia and I have an 2M adsl broadband at an ISP (hexabyte.tn). they provide a speedtest link (speedtest.hexabyte.tn) Sometimes I notice that my speed is very low approx 128 or 256 Kbps ...
0
votes
2answers
310 views

How to speed up a server using netstat & httpd.conf?

I'm using netstat commands to help optimize my httpd.conf correctly. Here are the results: netstat -an | grep -c :80 579 netstat -anp |grep 'tcp\|udp' | awk '{print $5}' | cut -d: -f1 | sort | uniq ...
0
votes
0answers
87 views

Could 11.5 Million 401's be causing bottlenecks?

I'm going to preface this with a warning: My knowledge about servers and networking is VERY limited, and if you provide me with technical answers, I probably won't understand much until I research ...
0
votes
0answers
18 views

Sever serves webpages nicely at home network - not on other networks or in other Countries

I've been getting many complaints about Server Speed and Outages from many of my users. It's amazing because at home, I have no problems connecting to the website, or the speed in which I access the ...
1
vote
4answers
107 views

Internet speed in Linux via command

I am running several sites and I was trying wget and I noticed slow speed. So I suspect that my sites are taking considerable amount of traffic. Question is, how I can really detect the total ...
2
votes
5answers
256 views

Does Overclocking Anything Shorten It's Life? [closed]

From a business standpoint... If intel could take a 3.0 GHz CPU, and overclock it to 4.0 GHz - whilst still covering their warranty they would do so. It's absolutely free and makes the chip perceived ...
1
vote
3answers
361 views

OpenVPN performance

I setup an OpenVPN tunnel between two hosts with 50Mbit/s connection. If I test the speed of the endpoints, it's give the 50Mbit speed exactly. But when I do the same over OpenVPN connection, it's ...
1
vote
2answers
655 views

HP SmartArray P400 has slow read and write speed

I have desktop in which I installed HP SmartArray P400 controller with two HP DF0146B8052 hard drives. I made RAID0 logical volume from them, but I am getting 20MB/s write speed and ~140-120MB/s read ...
0
votes
3answers
136 views

Download Speed is 0.12 Mbps when tested with servers in U.S, but it is 0.76 Mbps when tested with local servers, normal?

Feeling that my ISP is cheating my money ( My subscription package is 1 Mbps), I did a speed test on my internet connection using www.speedtest.net. I tried to test the connection speed on two ...
0
votes
3answers
134 views

finding the bottleneck

I have a process running that is opening TIF files. Each TIF file is just one regular page and they are maybe 100 kB each. Every time he opens a TIF file it tries to read a barcode in a specific area ...
1
vote
1answer
294 views

How to prevent the slow first load startup for a website?

I'm sure you've noticed that for many servers, the website loading time is quite long if you're the first visitor for a couple of hours. Do you have any idea why this is the case (is it just server ...
1
vote
2answers
150 views

RAM Size vs Speed

I have a server with 4 DDR2 RAM slots. I just bought 2x2GB 800MHz sticks for it, for a total of 4GB RAM. I also have 2x512MB 677MHz sticks left over. Is it better to use the 2x2GB sticks at 800MHz ...
0
votes
1answer
77 views

optimize mysql queries perfomance and speed

i need some help in some mysql queries i'm trying to improve it's performance and speed i'm trying to figure out how to do that using mysql syntax . here is an snippet of a query function i use ...

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