jllipatz commented on issue #34820:
URL: https://github.com/apache/arrow/issues/34820#issuecomment-1494086169
Thanks.
`left_join(ds, dep,by=c("DR"="DEP")) %>%
write_dataset('V:/PALETTES/tmp/rp68a19c.parquet')`
makes the end of my program unuseful.
But it doesn't help very much. The writing into the file starts immediatly
but memory use increases when writing other records. At the end of the process
it uses about 10% memory less than the other arrow solutions with an elapsed
time similar. Obviously it doesn't need to collect the result in memory first
but what is the gain if it ends with almost the whole data in temporary memory?
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