Zheng Hu created FLINK-27517:
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Summary: Introduce rolling file writer to write one record each
time for append-only table.
Key: FLINK-27517
URL: https://issues.apache.org/jira/browse/FLINK-27517
Project: Flink
Issue Type: Sub-task
Reporter: Zheng Hu
Currently, we table store has introduced a `RollingFile` to write an iterator
of rows into the underlying files. That's suitable for the memory store flush
processing, but for append-only table, it usually don't have any memory store
to cache those branch of rows temporarily, the idea approach is writing one
record into the columnar writer each time, and the columnar writer will cache
them and write into the underlying file in one batch.
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