[ovirt-devel] Re: oVirt vdsm Bulk-API deep dive

Thanks to all who joined, Recording link https://redhat.bluejeans.com/playback/guid/MjEyNzgxODM2OjQzMzI0Ny1kODllYT...

Slides are attached. On Wed, Jul 8, 2020 at 11:08 PM Nir Soffer <nsoffer(a)redhat.com&gt; wrote: > I want to share an interesting talk on the new StorageDomain dump API. > > When: > Thursday, July 9⋅16:00 – 16:45 (Israel time) > > Where: > https://redhat.bluejeans.com/212781836 > > Who: > Amit Bawer > > StorageDomain dump API is a faster way to query oVirt storage domain > contents, optimized > for bulk operations such as collecting sos reports or importing > storage domains during disaster > recovery. > > In recent tests we found that it is 295 times faster compared with > vdsm-tool dump-volume-chains: > https://bugzilla.redhat.com/show_bug.cgi?id=1557147#c26 > > What can you do with this API? > > Query volumes metadata by disk id: > > # vdsm-client StorageDomain dump > sd_id=56ecc03c-4bb5-4792-8971-3c51ea924d2e | jq '.volumes | .[] | > select(.image=="d7ead22a-0fbf-475c-a62f-6f7bc8473acb")' > { > "apparentsize": 6442450944, > "capacity": 6442450944, > "ctime": 1593128884, > "description": > "{\"DiskAlias\":\"fedora-32.raw\",\"DiskDescription\":\"Uploaded > disk\"}", > "disktype": "DATA", > "format": "RAW", > "generation": 0, > "image": "d7ead22a-0fbf-475c-a62f-6f7bc8473acb", > "legality": "LEGAL", > "parent": "00000000-0000-0000-0000-000000000000", > "status": "OK", > "truesize": 6442455040, > "type": "PREALLOCATED", > "voltype": "LEAF" > } > > Find all templates: > > # vdsm-client StorageDomain dump > sd_id=56ecc03c-4bb5-4792-8971-3c51ea924d2e | jq '.volumes | .[] | > select(.voltype=="SHARED")' > { > "apparentsize": 6442450944, > "capacity": 6442450944, > "ctime": 1593116563, > "description": > "{\"DiskAlias\":\"fedora-32.raw\",\"DiskDescription\":\"Uploaded > disk\"}", > "disktype": "DATA", > "format": "RAW", > "generation": 0, > "image": "9b62b5fa-920e-4d0c-baf6-40406106e48e", > "legality": "LEGAL", > "parent": "00000000-0000-0000-0000-000000000000", > "status": "OK", > "truesize": 6442516480, > "type": "PREALLOCATED", > "voltype": "SHARED" > } > > Please join the talk if you want to learn more. > > Cheers, > Nir > >