Thanks I will look into vdsm client. 1) In PostgreSQL how frequently the disk statitsitics are updated ? 2) Where can I find the history of disk statitsitcs? On Fri, 20 Apr 2018 at 3:57 AM, Peter Hudec <phudec@cnc.sk> wrote:
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Hi Hari,
there are also another way how to get VM stats.
You could hook into VDSM, see https://www.ovirt.org/develop/developer-guide/vdsm/vdsm-client/, command vdsm-client Host getAllVmStats
Peter
On 19/04/2018 18:48, Hari Prasanth Loganathan wrote:
Appreciated for your help. Could you tell me how frequently the statistics are updated in this table ?
I also found one more way to get the statistics, which is the recommended way?
select * from getdiskbydiskid('a570a8a4-d4ff-4826-bc39-50bb0b42785c','27e73630-3688- 11e8-8432-000c29cc7b80','f');
Thanks, Hari
On Thu, Apr 19, 2018 at 10:15 PM, Benny Zlotnik <bzlotnik@redhat.com <mailto:bzlotnik@redhat.com>> wrote:
It is in the disk_image_dynamic table
On Thu, Apr 19, 2018 at 3:36 PM, Hari Prasanth Loganathan <hariprasanth.l@msystechnologies.com <mailto:hariprasanth.l@msystechnologies.com>> wrote:
Hi Team,
I am trying to get the disk level statistics using oVirt with the following API,
/ovirt-engine/api/disks/{unique_disk_id}/statistics/
*and I get this response : * { "statistic": [ { "kind": "gauge", "type": "decimal", "unit": "bytes_per_second", "values": { "value": [ { "datum": 0 } ] }, "disk": { "href": "/ovirt-engine/api/disks/a570a8a4-d4ff-4826-bc39-50bb0b42785c", "id": "a570a8a4-d4ff-4826-bc39-50bb0b42785c" },* "name": "data.current.read",* "description": "Read data rate", "href": "/ovirt-engine/api/disks/a570a8a4-d4ff-4826-bc39-50bb0b42785c/statisti cs/33b9212b-f9cb-3fd0-b364-248fb61e1272",
"id": "33b9212b-f9cb-3fd0-b364-248fb61e1272"
}, { "kind": "gauge", "type": "decimal", "unit": "bytes_per_second", "values": { "value": [ { "datum": 0 } ] }, "disk": { "href": "/ovirt-engine/api/disks/a570a8a4-d4ff-4826-bc39-50bb0b42785c", "id": "a570a8a4-d4ff-4826-bc39-50bb0b42785c" }, * "name": "data.current.write",* "description": "Write data rate", "href": "/ovirt-engine/api/disks/a570a8a4-d4ff-4826-bc39-50bb0b42785c/statisti cs/2f23addd-4ebd-3d82-a449-c28778bc33eb",
"id": "2f23addd-4ebd-3d82-a449-c28778bc33eb"
}, { "kind": "gauge", "type": "decimal", "unit": "seconds", "values": { "value": [ { "datum": 0 } ] }, "disk": { "href": "/ovirt-engine/api/disks/a570a8a4-d4ff-4826-bc39-50bb0b42785c", "id": "a570a8a4-d4ff-4826-bc39-50bb0b42785c" }, * "name": "disk.read.latency",* "description": "Read latency", "href": "/ovirt-engine/api/disks/a570a8a4-d4ff-4826-bc39-50bb0b42785c/statisti cs/3a7b3f72-d035-3bb9-b196-e86a4eb34993",
"id": "3a7b3f72-d035-3bb9-b196-e86a4eb34993"
}, { "kind": "gauge", "type": "decimal", "unit": "seconds", "values": { "value": [ { "datum": 0 } ] }, "disk": { "href": "/ovirt-engine/api/disks/a570a8a4-d4ff-4826-bc39-50bb0b42785c", "id": "a570a8a4-d4ff-4826-bc39-50bb0b42785c" }, * "name": "disk.write.latency",* "description": "Write latency", "href": "/ovirt-engine/api/disks/a570a8a4-d4ff-4826-bc39-50bb0b42785c/statisti cs/b1e75c7b-cea4-37d2-8459-f7d68efc69a3",
"id": "b1e75c7b-cea4-37d2-8459-f7d68efc69a3"
}, { "kind": "gauge", "type": "decimal", "unit": "seconds", "values": { "value": [ { "datum": 0 } ] }, "disk": { "href": "/ovirt-engine/api/disks/a570a8a4-d4ff-4826-bc39-50bb0b42785c", "id": "a570a8a4-d4ff-4826-bc39-50bb0b42785c" }, "name": "disk.flush.latency", "description": "Flush latency", "href": "/ovirt-engine/api/disks/a570a8a4-d4ff-4826-bc39-50bb0b42785c/statisti cs/9c17ad7b-9ef1-3e8d-ad0a-ff8bee3925f0",
"id": "9c17ad7b-9ef1-3e8d-ad0a-ff8bee3925f0"
} ] }
I am able to get the disk write and read latency, write and read bandwidth.
*But I am not able to find the postgresql tables used for these statistics in oVirt? * *Could somebody let me know the statistics table for the disk?*
Any help is much Appreciated.
Thanks, Harry
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