[ovirt-users] Postgresql tables

[Hari Prasanth Loganathan]

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 at 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 at redhat.com <mailto:bzlotnik at 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 at msystechnologies.com
> > <mailto:hariprasanth.l at 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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> >
> >
> >
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> >
>
>
> - --
> *Peter Hudec*
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> phudec at cnc.sk <mailto:phudec at cnc.sk>
>
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