Merge "Prime counter table"
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Measurements
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==============
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A list of the current usage data that ceilometer will (eventually) listen for
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can be found at:
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Three type of meters are defined in ceilometer:
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http://wiki.openstack.org/SystemUsageData.
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.. index::
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double: meter; cumulative
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double: meter; gauge
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double: meter; delta
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For a list of the planned meters, refer to:
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========== ==============================================================================
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Type Definition
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========== ==============================================================================
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Cumulative Increasing over time (instance hours)
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Gauge Discrete items (floating IPs, image uploads) and fluctuating values (disk I/O)
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Delta Changing over time (bandwidth)
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========== ==============================================================================
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Here are the counter types by components that are currently implemented:
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Compute (Nova)
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==============
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======================== ========== ======= ======== =======================================================
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Name Type Volume Resource Note
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======================== ========== ======= ======== =======================================================
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instance Gauge 1 inst ID Duration of instance
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memory Gauge MB inst ID Volume of RAM in MB
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vcpus Gauge vcpu inst ID Number of VCPUs
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root_disk_size Gauge GB inst ID Size of root disk in GB
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ephemeral_disk_size Gauge GB inst ID Size of ephemeral disk in GB
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instance:type Gauge 1 inst ID Duration of instance type
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disk.io.requests Cumulative request inst ID Number of disk io requests
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disk.io.bytes Cumulative bytes inst ID Volume of disk io in bytes
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cpu Cumulative seconds inst ID CPU time used
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network.incoming.bytes Cumulative bytes inst ID number of incoming bytes on the network
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network.outgoing.bytes Cumulative bytes inst ID number of outgoing bytes on the network
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network.incoming.packets Cumulative packets inst ID number of incoming packets
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network.outgoing.packets Cumulative packets inst ID number of outgoing packets
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======================== ========== ======= ======== =======================================================
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Network (Quantum)
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=================
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======================== ========== ======= ======== =======================================================
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Name Type Volume Resource Note
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======================== ========== ======= ======== =======================================================
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network Gauge 1 netw ID Duration of network
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network.create Gauge 1 network
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network.update Gauge 1 network
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network.exists Gauge 1 network
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subnet Gauge 1 subnt ID Duration of subnet
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subnet.create Gauge 1 network
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subnet.update Gauge 1 network
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subnet.exists Gauge 1 network
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port Gauge 1 port ID Duration of port
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port.create Gauge 1 network
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port.update Gauge 1 network
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port.exists Gauge 1 network
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floating_ip Gauge 1 ip ID Duration of floating ip
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======================== ========== ======= ======== =======================================================
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Image (Glance)
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==============
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======================== ========== ======= ======== =======================================================
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Name Type Volume Resource Note
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======================== ========== ======= ======== =======================================================
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image Gauge 1 image ID Image polling -> it (still) exists
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image_size Gauge bytes image ID Uploaded image size
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image_download Gauge bytes image ID Image is downloaded
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image_serve Gauge bytes image ID Image is served out
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======================== ========== ======= ======== =======================================================
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Volume (Cinder)
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===============
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======================== ========== ======= ======== =======================================================
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Name Type Volume Resource Note
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======================== ========== ======= ======== =======================================================
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volume Gauge 1 vol ID Duration of volune
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volume_size Gauge GB vol ID Size of volume
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======================== ========== ======= ======== =======================================================
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http://wiki.openstack.org/EfficientMetering#Meters.
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.. todo:: Replicate the list of meters here.
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