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Questions tagged [measurement]

30 questions
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Measuring external hdd's rough handling

An external USB hard drive periodically travels to and from my facility to update its files (it's for offsite backup). HDD, not SSD. How can I measure if it's being handled too roughly? I'd rather not just wait for the bearings to start…
Camille Goudeseune
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Iperf bidirectional bandwidth measurement

Server side: # iperf -s ------------------------------------------------------------ Server listening on TCP port 5001 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 4] local 192.168.24.243 port…
user123933
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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 difference, comparing SATA vs. SAS, especially with a…
Zachary Scott
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disk I/O latency spikes (contains log files from amplify)

Ubuntu 18.04 LTS server, disk is ssd. Application stack is: mongodb, node, nignx and some python. Server is up 1 month and already had 3 OS disk fails where Ubuntu would go in read only mode. After restart in boot mode it would show invalid checksum…
usernumber124153
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What are the split latency measurements produced by httping?

I've been using httping to monitor the performance of my load balancer. The httping utility accepts a -S argument which is briefly described in the man page: -S Split measured latency in time to connect and time to exchange a request with the…
Zorlack
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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 how can they determined under Linux? It's about…
Hativ
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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 looking for to get this accomplished?
Charles
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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 throughput speeds. I have downloaded a large amount…
Ben Maxfield
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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 a reasonable question: What sort of volumes of…
Matt Peddlesden
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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 the capacity of the servers, load balancing…
PartySoft
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Measure TLB Size

Is there a tool that will measure the size of my TLB for me? Or some sort of scripting approach I can take to estimate it?
user55690
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What tools do you use to measure your MTTR as the Ops Team?

and do you measure it at all? My problem is that when outage is alerted, it feels waste of time to create a JIRA ticket first, so I start solving it right away. Besides, some outages are solved by workarounds first and then revisited to solve them…
Charming Borg
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Measure traffic of streaming audio/video in whole office

I would like to measure the different traffic used in our office, specifically streaming of audio and video. I'm trying to assess whether there is any affect of people using streaming on our internet usage. We have couple of internet connections…
Ido Ran
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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 take some time to make those measurements. Is there…
Witness Protection ID 44583292
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Measure ip/port traffic

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 that at router level, since it's rented from link…
Zote
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