Hi, Alexey My comments inline.
On Mon, Nov 28, 2016 at 1:52 AM Weyl, Alexey (Nokia - IL) < [email protected]> wrote: > Hi Dong, > > > > I can think of 2 solutions for this problem: > > 1. We can talk with the AODH developers and check if they can add > additional data for the aodh notifications. > I think it might not be easily accepted since sending only the changes on update notification looks more reasonable to me. > 2. We can add a cache in the aodh driver, and call the get_all > method in the AodhDriver constructor or when the first notification happens > and fill the cache with the data. Then for each notification that arrives > you will update that cache in the aodh notification service, and send then > event with all the data you need. > I doubt this will degrade the performance for the first notification since there will be additional conversation to retrieve the full data. My proposal is to share a cache between snapshot service and listener service and I think it is a common requirements for all datasource using PUSH method. >
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