scale: handle MV on MV when scaling #5728
Labels
component/meta
Meta related issue.
component/streaming
Stream processing related issue.
type/enhancement
Improvements to existing implementation.
Milestone
There are some remaining tasks for scaling to handle MV on MV correctly.
The
BatchQueryExecutor
won't be paused when scaling now, so it's problematic to scale the downstream fragments.Materialize
along withChain
for created "MV on MV". #5740This is the only case of no-shuffle exchange now. To support scaling them simultaneously, we can specify that only upstream
Materialize
is allowed to be the target of rescheduling.Sink
#5856To be determined:
As a refinement of the first entry, it may help to speed up the creation process if needed. May implemented on Support backfill operator for mv on mv #6275.
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