Hi,

If I understand correctly, once an Iceberg table is mutated outside of
Impala one has to run a refresh or invalidate statement. We noticed that
running refresh on huge tables can take minutes and while that is happening
querying them is blocked. We have large event tables that are being updated
very frequently in real-time, by default we run a refresh after each
update, so effectively this means such tables are un-queryable, as they're
constantly being refreshed.

Is there something I'm missing? What would the recommendation here be?

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