Hello,
> Here's something for you and the team to think about in November: how
> would you modify qserv to download and cache chunks on-demand?
>
Without considering whether this would be a good idea or not, it's as
easy as implementing auto-staging, and integrating with the replication
management system (which we haven't written).
Auto-staging doesn't sound that bad--when we recover from a failed node,
we have to retrieve and add chunks to existing nodes, so doing remote
retrieval is probably just incremental fragility and flexibility.
-Daniel
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