daya k #1876 hi jamo and luis, have we done any scale type tests with the ovs? if we have such data available, would appreciate if you can point me to it. thanks! daya
Luis Gomez #1878 cc-ing Marcus, he is the one I know doing this test. toggle quoted message Show quoted text On Aug 28, 2015, at 2:26 AM, daya kamath <daya_k@...> wrote: hi jamo and luis, have we done any scale type tests with the ovs? if we have such data available, would appreciate if you can point me to it. thanks! daya
Sharon Aicler #1879 A few months ago I performed some scale tests on ovsdb Plugin in ODL with one OVS that was extremely loaded (around 1000 ports). I found three hot spots that need to be attended (unless those points were already attended): 1) The OVSDB statistics column is being update very frequently, the ODL plugin is registering on all of the OVSDB tables & columns, hence it receive all the OVSDB data every second or so. 2) The status column in each table is also updated very frequently, hence it should be extracted from the main query and have its own query so on notification will get only this field new value and not the entire OVSDB data. 3) There was/is a MAX buffer size for the OVSDB data that prevented receiving large reply from the OVSDB, hence when there were more than 100 ports defined on the OVS you would have got an empty reply. After locally patching those on my code base I have not seen any other scaling issues. One note, in a cluster setup ovsdb plugin should follow the "master" of the Topology shard, not sure it is doable today (or how to do it). Thanks, Sharon. On 08/28/2015 10:35 AM, Luis Gomez wrote: cc-ing Marcus, he is the one I know doing this test. On Aug 28, 2015, at 2:26 AM, daya kamath <daya_k@...> wrote: hi jamo and luis, have we done any scale type tests with the ovs? if we have such data available, would appreciate if you can point me to it. thanks! daya _______________________________________________ ovsdb-dev mailing list ovsdb-dev@... https://lists.opendaylight.org/mailman/listinfo/ovsdb-dev -- Thanks, Sharon.
Jamo Luhrsen <jluhrsen@...> #1880 Thanks for this input Sharon. Are these issues in bugzilla, or maybe things are already addressed in ovsdb itself? Marcus, did you have any other data points for OVSDB? All of these scenarios can (and should) be introduced in to CI so we can flush out all the issues, and more importantly keep them from creeping back in. I know there have been some test patches in the past trying to get us there, but nothing finished yet. JamO toggle quoted message Show quoted text On 08/28/2015 10:52 AM, Sharon Aicler wrote: A few months ago I performed some scale tests on ovsdb Plugin in ODL with one OVS that was extremely loaded (around 1000 ports). I found three hot spots that need to be attended (unless those points were already attended): 1) The OVSDB statistics column is being update very frequently, the ODL plugin is registering on all of the OVSDB tables & columns, hence it receive all the OVSDB data every second or so. 2) The status column in each table is also updated very frequently, hence it should be extracted from the main query and have its own query so on notification will get only this field new value and not the entire OVSDB data. 3) There was/is a MAX buffer size for the OVSDB data that prevented receiving large reply from the OVSDB, hence when there were more than 100 ports defined on the OVS you would have got an empty reply. After locally patching those on my code base I have not seen any other scaling issues. One note, in a cluster setup ovsdb plugin should follow the "master" of the Topology shard, not sure it is doable today (or how to do it). Thanks, Sharon. On 08/28/2015 10:35 AM, Luis Gomez wrote: cc-ing Marcus, he is the one I know doing this test. On Aug 28, 2015, at 2:26 AM, daya kamath <<mailto:daya_k@...>daya_k@...> wrote: hi jamo and luis, have we done any scale type tests with the ovs? if we have such data available, would appreciate if you can point me to it. thanks! daya _______________________________________________ ovsdb-dev mailing list ovsdb-dev@... https://lists.opendaylight.org/mailman/listinfo/ovsdb-dev -- Thanks, Sharon.

ovsdb scaling tests