0
votes
1answer
74 views

Best way to optimize site speed for a large traffic website? [closed]

I'm currently managing a Website for a client of mine who gets about about 500-1000 visits minimum a day, and this includes Members uploading videos, photos, blog posts and other content. The site ...
0
votes
0answers
54 views

Trace Route, Slow Pings, timeouts on after server restore

I am getting bad ping times on my server, especially for large data requests. The stored procedure on the server runs at 1 second, while calling it through my web applicaiton takes 23+ seconds. This ...
1
vote
0answers
108 views

big speed difference on a network link with and without VPN tunnel

Scenario: We have a network link between two offices. The link is provided by a third party company through a VLAN on their network, but to us it is totally transparent -as if we had a simple ...
-3
votes
2answers
84 views

How much data can be sent and received at the same time on a T-3?

A T3 is rated for 45Mbs. What is the expected run time upload and download speed of a T3 assuming both are happening at the same time?
0
votes
1answer
172 views

100 Mb/s port limit reached or something else?

I have a dedicated server with a 100 Mbps port. A few times a week, there comes a time (usually in the evening hours) when there is an extremely high bandwidth usage, by far more than usual. I am on ...
0
votes
1answer
873 views

openvpn TCP/UDP slow SSH/SMB performance

I have question about strange behavior of my openVPN configuration on Debian lenny. I have 2 server configs (one proto tcp-server based and one proto udp based). ISP bandwidth is 7Mbit/7Mbit. When I ...
2
votes
1answer
253 views

Measure Upload Speed between a client and our server

We host a SAAS application specially customized for multiple clients. For one customer in particular -- they are reporting sporadic performance issues from various locations on their network, in ...
-1
votes
1answer
329 views

when a hosting mentions 100mbps bandwidth, what does it mean? [closed]

Most of web hostings say 100mbps bandwith, does it mean 100mbps upload and download combined ? what is the share between upload speed and download ? is 50 50 ? or 40 60 ? or etc ? Can anyone explain ...
2
votes
5answers
271 views

How can I measure precisely the resources consumed by each Web site on my server?

We are having performance issues on our server which may or may not be the inevitable result of high traffic to our sites. We would like to optimize each site for performance so that we can be sure ...
5
votes
1answer
2k 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
3answers
865 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
2answers
116 views

File transfer - Bandwidth flickering for no reason

We are experiencing file transfer issues. I try to troubleshoot this problem but it is really hard. Here is a screenshot I took while transferring a file from my workstation to another server. The ...
2
votes
1answer
456 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 ...
1
vote
4answers
263 views

How can I determine very specifically what is causing my web server to get slower?

I suspect that some particular large file or URL is being hit a lot, but I am failing to sort out which one it is. Are there some standard troubleshooting tools or steps recommended? Thanks!
2
votes
2answers
759 views

What performance loss is to be expected through VPN?

At work we have a Windows 2008 Server-based network with over 60 computers. We are planning to set up a Windows 2008 VPN server shortly to provide remote access, and I am wondering what kind of ...
0
votes
2answers
150 views

Needed requirements for an estimated traffic of 3000 clicks per week

I've an estimated traffic of 3000 clicks per week. So about 12000 per month.  Is a VPS with 256MB RAM and 150GB bandwidth enough for such website ? If no, how do you suggest to upgrade ? thanks ...
0
votes
3answers
450 views

howto measure network bandwidth/perf

we have a corporate LAN of approx 200 nodes behind a firewall and recently upgraded bandwidth of ISP. Now we want to measure the performance / bandwidth (internet as well file copy perf on local ...
2
votes
4answers
407 views

What country should I buy a VPS in that will give the best bandwidth? [closed]

I live in Australia and was wondering if I should buy a VPS from a local host or someone overseas as we don't have the greatest internet speeds here. Are there countries you would prefer to host your ...
4
votes
3answers
956 views

Limited bandwidth and transfer rates per user

I searched for a while but couldn't find anything concrete, hopefully someone can help me. I'm going to be running a Debian server on a gigabit port, and want to give each user his/her fair share of ...
1
vote
1answer
188 views

Measuring network performance

On any computer that has a web browser that supports flash, one can use SpeedTest.net as a crude way to measure network performance. It gives tree very important numbers. Ping time, sustained upload ...
2
votes
3answers
858 views

HIgh traffic site bandwidth & concurrency.. facebook, yahoo, etc

What is considered a high concurrency, bandwidth level? Anyone know the traffic level at facebook, yahoo, ebay, or google? How much are they getting? 100,000 concurrency? 1,000,000 req per sec? Any ...
0
votes
2answers
234 views

How do I know when server “runs at speed limit”?

Basically I'd like to know if it's possible to speed up my server or not by using caching like squid, checking for possible errors in configuration, optimizing various server software parameters, etc. ...
4
votes
5answers
947 views

Network tape restore is faster than disk to disk copy

How can this be? Running a cp or rsync (with -W --inplace) takes two hours for 93Gb; a tape restore over the dedicated backup network is 41 minutes. Tape restore is 50 Mb/s; disk to disk was ...
2
votes
2answers
999 views

Know a way to parse Speed Test results?

I like SpeedTest.net, but what I'd really like to do is put a graph in cacti, run a speed test every half-hour, and graph the results (maybe running it three times each time and averaging it). I ...
3
votes
4answers
160 views

Possible Issue With (what I think is) a Virtual Network

This really isnt my area of expertise...and it may be obvious, but here it is: We have what I guess you could call a virtual network. We have 4 locations in 4 cities connected by broadband internet ...