: Thanks; I can definitely appreciate that Watchers (or more generally the
: idea of chaining async callbacks) is usually a more suitable mechanism than
: calling sync(). I've also seen some code patterns in which knowledge of
To be clear: i'm not suggesting that we *don't* need sync() calls
Thanks; I can definitely appreciate that Watchers (or more generally the
idea of chaining async callbacks) is usually a more suitable mechanism than
calling sync(). I've also seen some code patterns in which knowledge of
the expected ZK node version can alleviate the need for doing a sync() as
IIUC, the reason you don't see any calls to sync() is because Solr's use
of ZK is mostly based on Watchers? ... so we have callback functions to be
notified anytime something (like leaeders, overseer, cluster state,
etc...) changes and those calbacks update local copies of that state,
which
