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0
votes
2answers
75 views

Measuring disk usage

What is the fairest unit to determine the disk usage (except the total storage usage e.g. in GB)? IOPS? Bytes read / write? Bytes transferred over network (would be equal to Bytes r/w)? Other? And ...
-1
votes
1answer
54 views

Does not measuring performance improve performance?

Running the Task Manager or Resource Monitor or even simply viewing the status of a network connection indicates the system is constantly tabulating a large number of performance metrics. It must ...
-1
votes
1answer
197 views

How to measure performance for a download behind a proxy

I would like to measure the download performance of my company's proxies. Browsing could take ages whereas my company has two redundant high speed internet access (2 x 100MB/s) and it seems that the ...
0
votes
3answers
34 views

Measuring Program execution time

I would like to call a program from a script, (malwarebytes, chkdsk, A/V scan) and have the script keep track of how long the program ran. Could someone point me in the direction of what I should be ...
0
votes
1answer
98 views

Ping measurements during throughput measurements

I have been measuring the throughput of file transfers from remote hosts and analysing the results, I understand about payload to overhead ratios, retransmission and other causational factors of ...
2
votes
2answers
373 views

disk bytes/s read and write

I'm trying to figure out how to count read and written bytes per second. At the moment what I'm doing is I read the data from /proc/diskstats which looks like this: 202 0 xvda 80702313 1132334 ...
1
vote
1answer
914 views

Iperf bidirectional bandwidth measurement

Server side: # iperf -s ------------------------------------------------------------ Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) ...
2
votes
1answer
945 views

How to measure how much bandwidth a ssh connection is using per day?

I have an ssh connection that I run to access a remote machine. At present I use autossh to keep the pipe open 24/7. I am curious as to how much the pipe alone uses bandwidth wise. How can I measure ...
3
votes
4answers
758 views

What tools should I use to assess bandwidth for web server farm..?

I'm contemplating moving datacentre and I need to know the size of pipe I'll need in order to get a quote. Currently I'm charged on GBs of traffic per month (currently about 42GB inbound - so ...
2
votes
1answer
2k views

iperf-like bidirectional bandwidth measurement through NAT

I am using iperf to measure my uplink speed between my home PC behind NAT and a fully accessible root server. It does so using a TCP connection. For whatever reason it seems that iperf can only ...
2
votes
2answers
951 views

How do ISPs calculate bandwidth? [closed]

I mean, is 100 GB per month 100 * 1000^3 bytes or 100 * 1024^3 bytes? Wondering if they use the decimal definition like HDD manufacturers or the binary definition. I do know that there's technically ...
-3
votes
3answers
121 views

Measure ip/port traffic [closed]

We have a small data center here in Brazil to host our servers. Now we are planing to provide some colocation and VPC hosting, and we need to measure monthly traffic of each ip/port. We can't to ...
1
vote
0answers
825 views

SAS vs SATA vs SSD: How to measure performance difference between SATA and SAS?

SAS drives can address multiple IO operations from a single platter revolution if the data happens to be where the head is already positioned. How can you measure whether this actually makes a ...
0
votes
1answer
223 views

SQL Server - measuring volumes of traffic and data

We have developed a solution based around SQL Server 2008 and Reporting Services. Now that we're deploying it and we're looking to put it in to customer SQL Server Clusters, they're of course asking ...
3
votes
1answer
596 views

Measuring Disk IO programmatically

I want to measure some numbers related to disk io in a given timespan, programmatically. This means I don't want to spawn a process like iostat to get my numbers, by prefer to read something from proc ...
11
votes
4answers
4k views

Measuring 'total bytes written' under Linux

We're quite interested in exploring the possibility of using SSD drives in a server environment. However, one thing that we need to establish is expected drive longevity. According to this article ...
0
votes
1answer
92 views

how can I figure out how much a server will “take” until it goes unresponsive

I have a problem that probably MANY people have, and it's servers that are going "unresponsive" over the time The problem: HOW can I figure it out how much a server can handle, I never did studies on ...
0
votes
2answers
3k views

Measuring network throughput with netcat vs. CIFS/SMB transfer rates

I have been attempting to measure and benchmark our LAN's throughput as part of a larger project. Our LAN is constructed using cat5e and HP ProCurve 1800-24G switches which support 10/100/1000 Mbps ...
5
votes
8answers
16k views

Linux: How to measure daily/montly network traffic?

I need to keep statistics of daily network traffic for a linux machine (CentOS 5). Is there a way to do it using standard/native tools or utilities? Or do I have to dowload special software for that? ...
3
votes
3answers
3k views

What program in Linux can measure I/O over time?

I'm trying to measure the total amount of disk writing and reading that is done to a particular volume by a particular process over a specified duration. I've found iotop, which can output IO every ...
0
votes
4answers
3k views

How to measure dns queries per second

If you're not running your own dns server (or if you must run your own to do this assume you are) how would you measure how many DNS queries per second you get for your domain? Is there anyway to tell ...
1
vote
6answers
3k views

How to measure boot time?

I was wondering what is the "proper" or "most significant" way in which to measure the boot time of a client machine: From turn on to login prompt From turn on to login prompt (HDD light off) From ...
3
votes
2answers
126 views

Timing of programs in Windows

Is there a Windows equivalent of the time Unix command? time measures the time spent by a process in both user and kernel lands. $ time for i in `seq 100`; do echo -n HI; done ...