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[SPARK-46979][SS] Add support for specifying key and value encoder separately and also for each col family in RocksDB state store provider #45038
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[SPARK-46979] Add support for specifying key and value encoder separa…
anishshri-db dc1fcc4
Misc fix
anishshri-db 4afdc1a
Change to address Bhuwan's comments
anishshri-db 71cf5d1
Merge branch 'master' into task/SPARK-46979
anishshri-db c96ad24
Change to address Jungtaek's comments
anishshri-db 62cba05
Misc fix
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(Maybe microbenchmark could tell that this could regress for default column family only - map lookup with carefully crafted lock operation in every op, though I'd rather not concern before we see actual regression.)
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Yea I didn't worry about it too much, given that the provider init likely happens once for long lived queries and where we can retain the use of the same provider on the same executor across m/batch executions.
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No, what I meant is to look up concurrent map per "every op" to figure out encoder, for existing stateful operators - previously it was just a reference to the field. But ops is relatively very cheap compared to commit as of now, so let's see.
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Ah ok - yea mainly didn't want to maintain 2 data structures for this. But if we find that its more expensive, then we can just split some of the logic for the default col family case