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Home / server / Questions

Questions[performance-monitoring](server)

Martin Hope
pufferfish
Asked: 2016-10-09 11:43:36 +0800 CST

Measure total latency of SSH session

  • 29

Is there a way to measure/report the overall latency in a tunneled SSH session?

My particular setup is:

  • Client (OS X + wifi router + ADSL modem)
  • Gateway SSH server exposed to Internet
  • Internal SSH target to which I'm tunneling

I'm interested in seeing the latency between the console on my local machine and the final machine on which I have the session open.

networking ssh performance-monitoring latency
  • 5 Answers
  • 19374 Views
Martin Hope
Allan Xu
Asked: 2011-12-09 20:53:31 +0800 CST

How can I save the counters’ setup in windows performance monitor

  • 34

I need a comprehensive and complex set of performance counters in windows performance monitor. At this point every time that I use performance monitor, I have to add the counters, one by one. Is there any way to save the counter set and load it at the later use? Thank you,

windows-server-2008 performance performance-monitoring
  • 2 Answers
  • 20767 Views
Martin Hope
nonot1
Asked: 2011-10-06 15:55:56 +0800 CST

How passively monitor for tcp packet loss? (Linux)

  • 72

How can I passively monitor the packet loss on TCP connections to/from my machine?

Basically, I'd like a tool that sits in the background and watches TCP ack/nak/re-transmits to generate a report on which peer IP addresses "seem" to be experiencing heavy loss.

Most questions like this that I find of SF suggest using tools like iperf. But, I need to monitor connections to/from a real application on my machine.

Is this data just sitting there in the Linux TCP stack?

linux network-monitoring tcp performance-monitoring packetloss
  • 8 Answers
  • 139847 Views
Martin Hope
Ztyx
Asked: 2010-10-09 04:30:52 +0800 CST

How to reset munin graphs

  • 29

I'd like to reset all graphs for a certain host in Munin. Anyone who knows how I can do this?

rrdtool performance-monitoring munin
  • 5 Answers
  • 27516 Views
Martin Hope
tobym
Asked: 2010-09-14 12:22:43 +0800 CST

What exactly do the colors in htop status bars mean?

  • 556

By default, htop shows colored status bars for processors, memory, and swap. From left to right, the bars are colored green, blue, yellow, and red depending on some thresholds.

What does it mean when the Memory bar has a small level of green and blue, and almost all the remainder is yellow? The swap bar is empty. The color settings for htop are "default".

htop screenshot

linux monitoring performance-monitoring top
  • 3 Answers
  • 291477 Views

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