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kwannoel
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Apr 25, 2024
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| Under the new design, if a MV lags behind the upstream MV, it will first replay the change log of the lagged epoch of the upstream, and then send the new data in upstream to downstream executor. Following is an example. |
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So all MVs will have changelog store?
Is it created per MV? Or all MVs will share one per upstream.
upstream -> log store -> mv
-> log store -> mv
Or
upstream -> log store -> mv
\
\ - > mv
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The later one. Similar to the current arrangement backfill.
upstream -> log store -> mv
\
\ - > mv
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Rendered link: https://github.com/risingwavelabs/rfcs/blob/3a24bb57230bba831b170b4ee882a690e55fe8ae/rfcs/0084-partial-checkpoint.md