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mlab-lattice / lattice

Apache License 2.0
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investigate why caches fail to sync on xDS api startup #166

Open gregbanks opened 6 years ago

gregbanks commented 6 years ago

this is happening in the current v2 implementation and was happening in the v1 implementation as well.

anecdotally, this seems to only happen on provision. bouncing the container fixes the issue.

func (b *KubernetesPerNodeBackend) Ready() bool {
    return cache.WaitForCacheSync(b.stopCh, b.kubeEndpointListerSynced, b.serviceListerSynced)
}

note, there is actually very little happening before Ready gets called, which may point to a race or inconsistency elsewhere.