operations-monitoring-system_metrics.xml

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<section xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="system-metrics">
 <title>System Metrics</title>
 <para>
  A list of metrics associated with the System.
 </para>
 <table colsep="1" rowsep="1">
  <title>CPU Metrics</title>
  <tgroup cols="3">
   <colspec colname="c1" colnum="1"/>
   <colspec colname="c2" colnum="2"/>
   <colspec colname="c3" colnum="3"/>
   <thead>
    <row>
     <entry>Metric Name</entry>
     <entry>Dimensions</entry>
     <entry>Description</entry>
    </row>
   </thead>
   <tbody>
    <row>
     <entry>cpu.frequency_mhz</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Maximum MHz value for the cpu frequency.
      </para>
      <note>
       <para>
        This value is dynamic, and driven by CPU governor depending on current
        resource need.
       </para>
      </note>
     </entry>
    </row>
    <row>
     <entry>cpu.idle_perc</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Percentage of time the CPU is idle when no I/O requests are in progress
      </para>
     </entry>
    </row>
    <row>
     <entry>cpu.idle_time</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Time the CPU is idle when no I/O requests are in progress
      </para>
     </entry>
    </row>
    <row>
     <entry>cpu.percent</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Percentage of time the CPU is used in total
      </para>
     </entry>
    </row>
    <row>
     <entry>cpu.stolen_perc</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Percentage of stolen CPU time, that is, the time spent in other OS
       contexts when running in a virtualized environment
      </para>
     </entry>
    </row>
    <row>
     <entry>cpu.system_perc</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Percentage of time the CPU is used at the system level
      </para>
     </entry>
    </row>
    <row>
     <entry>cpu.system_time</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Time the CPU is used at the system level
      </para>
     </entry>
    </row>
    <row>
     <entry>cpu.time_ns</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Time the CPU is used at the host level
      </para>
     </entry>
    </row>
    <row>
     <entry>cpu.total_logical_cores</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Total number of logical cores available for an entire node (Includes
       hyper threading).
      </para>
      <note>
       <title></title>
       <para>
        This is an optional metric that is only sent when send_rollup_stats is
        set to true.
       </para>
      </note>
     </entry>
    </row>
    <row>
     <entry>cpu.user_perc</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Percentage of time the CPU is used at the user level
      </para>
     </entry>
    </row>
    <row>
     <entry>cpu.user_time</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Time the CPU is used at the user level
      </para>
     </entry>
    </row>
    <row>
     <entry>cpu.wait_perc</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Percentage of time the CPU is idle AND there is at least one I/O request
       in progress
      </para>
     </entry>
    </row>
    <row>
     <entry>cpu.wait_time</entry>
     <entry>
<screen>cluster
hostname
service=system</screen>
     </entry>
     <entry>
      <para>
       Time the CPU is idle AND there is at least one I/O request in progress
      </para>
     </entry>
    </row>
   </tbody>
  </tgroup>
 </table>
 <table colsep="1" rowsep="1">
  <title>Disk Metrics</title>
  <tgroup cols="3">
   <colspec colname="c1" colnum="1"/>
   <colspec colname="c2" colnum="2"/>
   <colspec colname="c3" colnum="3"/>
   <thead>
    <row>
     <entry>Metric Name</entry>
     <entry>Dimensions</entry>
     <entry>Description</entry>
    </row>
   </thead>
   <tbody>
    <row>
     <entry>disk.inode_used_perc</entry>
     <entry>
<screen>mount_point
service=system
hostname
cluster
device</screen>
     </entry>
     <entry>
      <para>
       The percentage of inodes that are used on a device
      </para>
     </entry>
    </row>
    <row>
     <entry>disk.space_used_perc</entry>
     <entry>
<screen>mount_point
service=system
hostname
cluster
device</screen>
     </entry>
     <entry>
      <para>
       The percentage of disk space that is being used on a device
      </para>
     </entry>
    </row>
    <row>
     <entry>disk.total_space_mb</entry>
     <entry>
<screen>mount_point
service=system
hostname
cluster
device</screen>
     </entry>
     <entry>
      <para>
       The total amount of disk space in Mbytes aggregated across all the disks
       on a particular node.
      </para>
      <note>
       <para>
        This is an optional metric that is only sent when send_rollup_stats is
        set to true.
       </para>
      </note>
     </entry>
    </row>
    <row>
     <entry>disk.total_used_space_mb</entry>
     <entry>
<screen>mount_point
service=system
hostname
cluster
device</screen>
     </entry>
     <entry>
      <para>
       The total amount of used disk space in Mbytes aggregated across all the
       disks on a particular node.
      </para>
      <note>
       <para>
        This is an optional metric that is only sent when send_rollup_stats is
        set to true.
       </para>
      </note>
     </entry>
    </row>
    <row>
     <entry>io.read_kbytes_sec</entry>
     <entry>
<screen>mount_point
service=system
hostname
cluster
device</screen>
     </entry>
     <entry>
      <para>
       Kbytes/sec read by an io device
      </para>
     </entry>
    </row>
    <row>
     <entry>io.read_req_sec</entry>
     <entry>
<screen>mount_point
service=system
hostname
cluster
device</screen>
     </entry>
     <entry>
      <para>
       Number of read requests/sec to an io device
      </para>
     </entry>
    </row>
    <row>
     <entry>io.read_time_sec</entry>
     <entry>
<screen>mount_point
service=system
hostname
cluster
device</screen>
     </entry>
     <entry>
      <para>
       Amount of read time in seconds to an io device
      </para>
     </entry>
    </row>
    <row>
     <entry>io.write_kbytes_sec</entry>
     <entry>
<screen>mount_point
service=system
hostname
cluster
device</screen>
     </entry>
     <entry>
      <para>
       Kbytes/sec written by an io device
      </para>
     </entry>
    </row>
    <row>
     <entry>io.write_req_sec</entry>
     <entry>
<screen>mount_point
service=system
hostname
cluster
device</screen>
     </entry>
     <entry>
      <para>
       Number of write requests/sec to an io device
      </para>
     </entry>
    </row>
    <row>
     <entry>io.write_time_sec</entry>
     <entry>
<screen>mount_point
service=system
hostname
cluster
device</screen>
     </entry>
     <entry>
      <para>
       Amount of write time in seconds to an io device
      </para>
     </entry>
    </row>
   </tbody>
  </tgroup>
 </table>
 <table colsep="1" rowsep="1">
  <title>Load Metrics</title>
  <tgroup cols="3">
   <colspec colname="c1" colnum="1"/>
   <colspec colname="c2" colnum="2"/>
   <colspec colname="c3" colnum="3"/>
   <thead>
    <row>
     <entry>Metric Name</entry>
     <entry>Dimensions</entry>
     <entry>Description</entry>
    </row>
   </thead>
   <tbody>
    <row>
     <entry>load.avg_15_min</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       The normalized (by number of logical cores) average system load over a
       15 minute period
      </para>
     </entry>
    </row>
    <row>
     <entry>load.avg_1_min</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       The normalized (by number of logical cores) average system load over a 1
       minute period
      </para>
     </entry>
    </row>
    <row>
     <entry>load.avg_5_min</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       The normalized (by number of logical cores) average system load over a 5
       minute period
      </para>
     </entry>
    </row>
   </tbody>
  </tgroup>
 </table>
 <table colsep="1" rowsep="1">
  <title>Memory Metrics</title>
  <tgroup cols="3">
   <colspec colname="c1" colnum="1"/>
   <colspec colname="c2" colnum="2"/>
   <colspec colname="c3" colnum="3"/>
   <thead>
    <row>
     <entry>Metric Name</entry>
     <entry>Dimensions</entry>
     <entry>Description</entry>
    </row>
   </thead>
   <tbody>
    <row>
     <entry>mem.free_mb</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Mbytes of free memory
      </para>
     </entry>
    </row>
    <row>
     <entry>mem.swap_free_mb</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Percentage of free swap memory that is free
      </para>
     </entry>
    </row>
    <row>
     <entry>mem.swap_free_perc</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Mbytes of free swap memory that is free
      </para>
     </entry>
    </row>
    <row>
     <entry>mem.swap_total_mb</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Mbytes of total physical swap memory
      </para>
     </entry>
    </row>
    <row>
     <entry>mem.swap_used_mb</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Mbytes of total swap memory used
      </para>
     </entry>
    </row>
    <row>
     <entry>mem.total_mb</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Total Mbytes of memory
      </para>
     </entry>
    </row>
    <row>
     <entry>mem.usable_mb</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Total Mbytes of usable memory
      </para>
     </entry>
    </row>
    <row>
     <entry>mem.usable_perc</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Percentage of total memory that is usable
      </para>
     </entry>
    </row>
    <row>
     <entry>mem.used_buffers</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Number of buffers in Mbytes being used by the kernel for block io
      </para>
     </entry>
    </row>
    <row>
     <entry>mem.used_cache</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Mbytes of memory used for the page cache
      </para>
     </entry>
    </row>
    <row>
     <entry>mem.used_mb</entry>
     <entry>
<screen>service=system
hostname
cluster</screen>
     </entry>
     <entry>
      <para>
       Total Mbytes of used memory
      </para>
     </entry>
    </row>
   </tbody>
  </tgroup>
 </table>
 <table colsep="1" rowsep="1">
  <title>Network Metrics</title>
  <tgroup cols="3">
   <colspec colname="c1" colnum="1"/>
   <colspec colname="c2" colnum="2"/>
   <colspec colname="c3" colnum="3"/>
   <thead>
    <row>
     <entry>Metric Name</entry>
     <entry>Dimensions</entry>
     <entry>Description</entry>
    </row>
   </thead>
   <tbody>
    <row>
     <entry>net.in_bytes_sec</entry>
     <entry>
<screen>service=system
hostname
device</screen>
     </entry>
     <entry>
      <para>
       Number of network bytes received per second
      </para>
     </entry>
    </row>
    <row>
     <entry>net.in_errors_sec</entry>
     <entry>
<screen>service=system
hostname
device</screen>
     </entry>
     <entry>
      <para>
       Number of network errors on incoming network traffic per second
      </para>
     </entry>
    </row>
    <row>
     <entry>net.in_packets_dropped_sec</entry>
     <entry>
<screen>service=system
hostname
device</screen>
     </entry>
     <entry>
      <para>
       Number of inbound network packets dropped per second
      </para>
     </entry>
    </row>
    <row>
     <entry>net.in_packets_sec</entry>
     <entry>
<screen>service=system
hostname
device</screen>
     </entry>
     <entry>
      <para>
       Number of network packets received per second
      </para>
     </entry>
    </row>
    <row>
     <entry>net.out_bytes_sec</entry>
     <entry>
<screen>service=system
hostname
device</screen>
     </entry>
     <entry>
      <para>
       Number of network bytes sent per second
      </para>
     </entry>
    </row>
    <row>
     <entry>net.out_errors_sec</entry>
     <entry>
<screen>service=system
hostname
device</screen>
     </entry>
     <entry>
      <para>
       Number of network errors on outgoing network traffic per second
      </para>
     </entry>
    </row>
    <row>
     <entry>net.out_packets_dropped_sec</entry>
     <entry>
<screen>service=system
hostname
device</screen>
     </entry>
     <entry>
      <para>
       Number of outbound network packets dropped per second
      </para>
     </entry>
    </row>
    <row>
     <entry>net.out_packets_sec</entry>
     <entry>
<screen>service=system
hostname
device</screen>
     </entry>
     <entry>
      <para>
       Number of network packets sent per second
      </para>
     </entry>
    </row>
   </tbody>
  </tgroup>
 </table>
</section>