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Remove v1 style nodes #64

Merged
merged 1 commit into from
Sep 16, 2019
Merged

Remove v1 style nodes #64

merged 1 commit into from
Sep 16, 2019

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kaisen
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@kaisen kaisen commented Sep 11, 2019

This is the same as #25 with merge conflicts resolved.

Can this be merged now? I couldn't find anything that uses the v1 style nodes. This will help zookeeper from being overloaded when services are also registered through Envoy (see CORESERV-8573).

@solarkennedy
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@mattmb can you be primary on this?
@kaisen In general I'm in favor of this cleanup. Be sure to do the standard gradual rollout though, it isn't super easy to be sure that these nodes are not actually in use.

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I think this should be okay. Definitely synapse is reading from the /smartstack/ paths and so if meshd/envoy is too then I think we are safe. I did find one reference to /nerve/ in some cassandra puppet code so we should just confirm that isn't a problem. Otherwise gfi, but yes please carefully. I'd recommend trying in one stage first (that's why we have two so nbd if we break one!)

src/nerve_tools/clean_nerve.py Show resolved Hide resolved
@kaisen kaisen merged commit 09907b8 into master Sep 16, 2019
@kaisen kaisen deleted the kaisen_remove_v1_nodes branch September 16, 2019 17:48
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3 participants