7
votes
Accepted
How much PCI-E bandwidth can my SAS HDD array make use of?
Ah, did you ever bother to get away from the theoretical numbers? You state so nicely...
18 x SAS3 maximum at peak: (1.2 x 18) = 21.6 GB/sec
Yeah. Now show me a single hard disc (and you talk about ...
2
votes
Accepted
How to calculate bandwidth on Google compute engine?
As mentioned in the Google Group discussion Thread.
Depending on the region used in your calculation, it seems correct. However, the amount provided by Google Cloud Platform Pricing Calculator are ...
2
votes
What is the internet Bandwidth needed to support 2000 concurrent requests?
A lot is wrong.
You assume no compression. Depending on the data that can be extremely hugh.
You assume this has to be YOUR bandwidth - i.e. it is all dynamically generated and there is no way to ...
1
vote
Accepted
How to measure internet speed or bandwith
You can use the Speedtest CLI to setup automated scripts, to collect connection performance data and view the results in a CSV, JSONL or JSON format.
https://www.speedtest.net/apps/cli
1
vote
Is it possible to measure the used bandwidth per udp/tcp port on linux?
Just for completeness, the best and easiest way to monitor bandwidth per port or bunch of ports under Linux, is to use tc to setup QoS.
You can use FireQoS - a high level tool for configuring QoS - ...
1
vote
1.73 Gbps at best on an Amazon EC2 10 Gigabit instance?
I am not sure how you are running iperf for your tests but sometimes it needs to be run multi-threaded to yield results that better reflect the actual maximum throughput of the underlying network ...
1
vote
How to measure bandwidth per cpu utilization
You can consider Apache JMeter tool which can throttle its connections to the defined throughput value which you can set via manipulating the following properties:
httpclient.socket.http.cps=0
...
1
vote
Accepted
How to measure bandwidth per cpu utilization
I am guessing you have multiple CPUs. Then look into cpusets and cpushares. With cpuset you can pin specific process to specific cpu. Then with cpushares you can limit the cpu utilization.
1
vote
How to collect I/O Bandwidth statistics on ubuntu 14.
Check out a tool like Munin, Zabbix, Icinga.
If you really want to collect data by hand check out /proc/net/dev which gives you the current transmitted/received byte and packet count among others ...
1
vote
Extracting Per Domain Bandwidth Usage In Apache
A fairly common approach is to generate usage statistics from the access logs.
Create a CustomLog in a LogFormat that includes the domain name from host header.
Then depending on which web ...
1
vote
How reliable is /sys/class/net/eth0/statistics/rx_bytes for bandwidth statistics?
I´ve installed in a lot of my linux servers to monitor my traffic interface the vnstat command. It is very easy to install and you get with this great deal of information. https://www.howtoforge.com/...
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