[ovirt-users] Re: Disk Statistics API in oVirt

Sorry for the delay. adding some others that may know. On Sun, Jul 29, 2018 at 11:02 PM Hari Prasanth Loganathan < hariprasanth.l(a)msystechnologies.com&gt; wrote: > Hi Guys, > > Any update on this, please? > > Thanks, > Hari > > On Fri, Jul 27, 2018 at 5:52 AM, Greg Sheremeta <gshereme(a)redhat.com&gt; > wrote: > >> + @Tomas Jelinek <tjelinek(a)redhat.com&gt; do you know this one? >> >> On Wed, Jul 18, 2018 at 1:57 AM Hari Prasanth Loganathan < >> hariprasanth.l(a)msystechnologies.com&gt; wrote: >> >>> Hi Karli, >>> >>> Sorry for the confusion, Initially I thought it is an issue from our >>> side so posted like 'ignore it', >>> But this issue is from oVirt. So could you please help me. >>> >>> *Steps to reproduce :* >>> 1) Attach the disk to any VM >>> 2) Perform some read and write operation in the VM which will increase >>> the disk level - 'Read data rate / Write data rate / disk.read.latency >>> / disk.write.latency' >>> 3) Now when I bring down the VM, all the disk statistics should come >>> down to be zero *But it is still retaining with last known value when >>> the VM was in UP state.* >>> >>> >>> *Expected : All values should go to ZeroActual : All values retains the >>> last known values when the VM was in UP state. * >>> >>> Thanks, >>> Hari >>> >>> >>> On Wed, Jul 18, 2018 at 11:20 AM, Karli Sjöberg <karli(a)inparadise.se&gt; >>> wrote: >>> >>>> >>>> >>>> On Jul 17, 2018 11:56, Hari Prasanth Loganathan < >>>> hariprasanth.l(a)msystechnologies.com&gt; wrote: >>>> >>>> It is an issue from our side. Please ignore my question. >>>> >>>> >>>> You've now made several posts about wanting help, but this completely >>>> contradicts it! >>>> >>>> >>>> I don't get it, do you have an issue you want help with, or should >>>> everyone just ignore you? >>>> >>>> /K >>>> >>>> >>>> But How frequently we will collect the disk statistics and update in >>>> PostgreSQL? >>>> >>>> Thanks, >>>> Hari >>>> >>>> On Tue, Jul 17, 2018 at 3:18 PM, Hari Prasanth Loganathan < >>>> hariprasanth.l(a)msystechnologies.com&gt; wrote: >>>> >>>> Hi Team, >>>> >>>> We are using the following API to collect the disk statistics, >>>> >>>> https://X.X.X.2/ovirt-engine/api/ >>>> *disks/2331bad7-71ec-4fad-95bb-2b3449f3dbda/statistics* >>>> <https://X.X.X.2/ovirt-engine/api/disks/2331bad7-71ec-4fad-95bb-2b3449f3db... >>>> >>>> I found one issue in the disk statistics. In case If the Virtual >>>> Machine has this disk (*2331bad7-71ec-4fad-95bb-2b3449f3dbda*) >>>> attached to it and I perform some read / write operation in the VM and it >>>> increases the corresponding disk level Read data rate / Write data rate / >>>> disk.read.latency / disk.write.latency. >>>> >>>> *Example*, I received the following values for this disk, But the >>>> problem is even when I bring down the VM still the last known value is >>>> received continuously. >>>> *Is it a known issue Or any workaround is available? * >>>> >>>> *Expected : All values should go to Zero* >>>> >>>> *Actual : All values retains the last known values when the VM was in >>>> UP state. * >>>> >>>> >>>> { >>>> "statistic": [ >>>> { >>>> "kind": "gauge", >>>> "type": "decimal", >>>> "unit": "bytes_per_second", >>>> "values": { >>>> "value": [ >>>> { >>>> "datum": 2184 >>>> } >>>> ] >>>> }, >>>> "disk": { >>>> "href": >>>> "/ovirt-engine/api/disks/2331bad7-71ec-4fad-95bb-2b3449f3dbda", >>>> "id": "2331bad7-71ec-4fad-95bb-2b3449f3dbda" >>>> }, >>>> "name": "data.current.read", >>>> "description": "Read data rate", >>>> "href": >>>> "/ovirt-engine/api/disks/2331bad7-71ec-4fad-95bb-2b3449f3dbda/statistics/33b9212b-f9cb-3fd0-b364-248fb61e1272", >>>> "id": "33b9212b-f9cb-3fd0-b364-248fb61e1272" >>>> }, >>>> { >>>> "kind": "gauge", >>>> "type": "decimal", >>>> "unit": "bytes_per_second", >>>> "values": { >>>> "value": [ >>>> { >>>> "datum": 41202005 >>>> } >>>> ] >>>> }, >>>> "disk": { >>>> "href": >>>> "/ovirt-engine/api/disks/2331bad7-71ec-4fad-95bb-2b3449f3dbda", >>>> "id": "2331bad7-71ec-4fad-95bb-2b3449f3dbda" >>>> }, >>>> "name": "data.current.write", >>>> "description": "Write data rate", >>>> "href": >>>> "/ovirt-engine/api/disks/2331bad7-71ec-4fad-95bb-2b3449f3dbda/statistics/2f23addd-4ebd-3d82-a449-c28778bc33eb", >>>> "id": "2f23addd-4ebd-3d82-a449-c28778bc33eb" >>>> }, >>>> { >>>> "kind": "gauge", >>>> "type": "decimal", >>>> "unit": "seconds", >>>> "values": { >>>> "value": [ >>>> { >>>> "datum": 0.12 >>>> } >>>> ] >>>> }, >>>> "disk": { >>>> "href": >>>> "/ovirt-engine/api/disks/2331bad7-71ec-4fad-95bb-2b3449f3dbda", >>>> "id": "2331bad7-71ec-4fad-95bb-2b3449f3dbda" >>>> }, >>>> "name": "disk.read.latency", >>>> "description": "Read latency", >>>> "href": >>>> "/ovirt-engine/api/disks/2331bad7-71ec-4fad-95bb-2b3449f3dbda/statistics/3a7b3f72-d035-3bb9-b196-e86a4eb34993", >>>> "id": "3a7b3f72-d035-3bb9-b196-e86a4eb34993" >>>> }, >>>> { >>>> "kind": "gauge", >>>> "type": "decimal", >>>> "unit": "seconds", >>>> "values": { >>>> "value": [ >>>> { >>>> "datum": 1.4 >>>> } >>>> ] >>>> }, >>>> "disk": { >>>> "href": >>>> "/ovirt-engine/api/disks/2331bad7-71ec-4fad-95bb-2b3449f3dbda", >>>> "id": "2331bad7-71ec-4fad-95bb-2b3449f3dbda" >>>> }, >>>> "name": "disk.write.latency", >>>> "description": "Write latency", >>>> "href": >>>> "/ovirt-engine/api/disks/2331bad7-71ec-4fad-95bb-2b3449f3dbda/statistics/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/2331bad7-71ec-4fad-95bb-2b3449f3dbda", >>>> "id": "2331bad7-71ec-4fad-95bb-2b3449f3dbda" >>>> }, >>>> "name": "disk.flush.latency", >>>> "description": "Flush latency", >>>> "href": >>>> "/ovirt-engine/api/disks/2331bad7-71ec-4fad-95bb-2b3449f3dbda/statistics/9c17ad7b-9ef1-3e8d-ad0a-ff8bee3925f0", >>>> "id": "9c17ad7b-9ef1-3e8d-ad0a-ff8bee3925f0" >>>> } >>>> ] >>>> } >>>> >>>> Thanks, >>>> Hari >>>> >>>> >>>> >>>> DISCLAIMER - *MSysTechnologies LLC* >>>> >>>> This email message, contents and its attachments may contain >>>> confidential, proprietary or legally privileged information and is intended >>>> solely for the use of the individual or entity to whom it is actually >>>> intended. 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If you are not the intended >>> recipient of the email message,you are notified strictly not to >>> disseminate,distribute or copy this e-mail.E-mail transmission cannot be >>> guaranteed to be secure or error-free as Information could be intercepted, >>> corrupted, lost, destroyed, incomplete or contain viruses and >>> MSysTechnologies LLC accepts no liability for the contents and integrity of >>> this mail or for any damage caused by the limitations of the e-mail >>> transmission. >>> >>> _______________________________________________ >>> Users mailing list -- users(a)ovirt.org >>> To unsubscribe send an email to users-leave(a)ovirt.org >>> Privacy Statement: https://www.ovirt.org/site/privacy-policy/ >>> oVirt Code of Conduct: >>> https://www.ovirt.org/community/about/community-guidelines/ >>> List Archives: >>> https://lists.ovirt.org/archives/list/users@ovirt.org/message/OB5DNRR4JYG... >>> >> >> >> -- >> >> GREG SHEREMETA >> >> SENIOR SOFTWARE ENGINEER - TEAM LEAD - RHV UX >> >> Red Hat NA >> >> <https://www.redhat.com/> >> >> gshereme(a)redhat.com IRC: gshereme >> <https://red.ht/sig> >> > > > DISCLAIMER - *MSysTechnologies LLC* > > This email message, contents and its attachments may contain > confidential, proprietary or legally privileged information and is intended > solely for the use of the individual or entity to whom it is actually > intended. If you have erroneously received this message, please permanently > delete it immediately and notify the sender. If you are not the intended > recipient of the email message,you are notified strictly not to > disseminate,distribute or copy this e-mail.E-mail transmission cannot be > guaranteed to be secure or error-free as Information could be intercepted, > corrupted, lost, destroyed, incomplete or contain viruses and > MSysTechnologies LLC accepts no liability for the contents and integrity of > this mail or for any damage caused by the limitations of the e-mail > transmission. > > -- GREG SHEREMETA SENIOR SOFTWARE ENGINEER - TEAM LEAD - RHV UX Red Hat NA <https://www.redhat.com/> gshereme(a)redhat.com IRC: gshereme <https://red.ht/sig>