On 03/14/2017 08:57 AM, Julien Danjou wrote:
On Tue, Mar 14 2017, Davanum Srinivas wrote:
Let's do it!! (etcd v2-v3 in tooz)
Hehe. I'll move that higher in my priority list, I swear. But anyone is
free to beat me to it in the meantime. ;)
A weekend experiment:
https://github.com/jaypipes/os-lively
Not tooz, because I'm not interested in a DLM nor leader election
library (that's what the underlying etcd3 cluster handles for me), only
a fast service liveness/healthcheck system, but it shows usage of etcd3
and Google Protocol Buffers implementing a simple API for liveness
checking and host maintenance reporting.
My plan is to push some proof-of-concept patches that replace Nova's
servicegroup API with os-lively and eliminate Nova's use of an RDBMS for
service liveness checking, which should dramatically reduce the amount
of both DB traffic as well as conductor/MQ service update traffic.
Best,
-jay
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