Difference between pages "File:Snapshot-gnuplot.png" and "Iostat"

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(New page: iostat is a program that shows how many I/O operations happen in a specified timeframe. = Install it = To install iostat, install the package sysstat. For example with SUSE Linux 11.3...)
 
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iostat is a [[program]] that shows how many I/O operations happen in a specified timeframe.
  
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= Install it =
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To install iostat, install the package sysstat. For example with SUSE Linux 11.3 you [[open a console]] and enter:
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yast -i sysstat
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= Run it =
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Just call IOstat plus the time interval in seconds:
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<pre>
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# iostat 10
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Linux 2.6.34.7-0.5-desktop (tweedleburg)        12/11/10        _x86_64_        (8 CPU)
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avg-cpu:  %user  %nice %system %iowait  %steal  %idle
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          0.67    0.00    0.17    0.07    0.00  99.09
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Device:            tps  Blk_read/s  Blk_wrtn/s  Blk_read  Blk_wrtn
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sdb              1.35        5.76        28.55    1387011    6870465
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sda              1.35        5.56        28.55    1337701    6870465
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md126            4.26        11.32        28.38    2723674    6830024
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</pre>
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You will get a new block every 10 seconds in this case.

Revision as of 13:57, 11 December 2010

iostat is a program that shows how many I/O operations happen in a specified timeframe.

Install it

To install iostat, install the package sysstat. For example with SUSE Linux 11.3 you open a console and enter: 

yast -i sysstat

Run it

Just call IOstat plus the time interval in seconds: 

# iostat 10
Linux 2.6.34.7-0.5-desktop (tweedleburg)        12/11/10        _x86_64_        (8 CPU)

avg-cpu:  %user   %nice %system %iowait  %steal   %idle
           0.67    0.00    0.17    0.07    0.00   99.09

Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
sdb               1.35         5.76        28.55    1387011    6870465
sda               1.35         5.56        28.55    1337701    6870465
md126             4.26        11.32        28.38    2723674    6830024

You will get a new block every 10 seconds in this case.

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