Fix: order parquet schema + create metadata collector improving greatly speed of dataset query#297
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lbesnard wants to merge 5 commits into
Open
Fix: order parquet schema + create metadata collector improving greatly speed of dataset query#297lbesnard wants to merge 5 commits into
lbesnard wants to merge 5 commits into
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…ly speed of dataset query
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@thommodin would love your opinion on that. Basically there was no _metadata. 2 years ago, doc online was pretty shit re metadata_collector, and the purpose of it, and being able to write in parallel with many workers. But I'm pretty sure this will make queries way faster. I made some test on samples. WIll try tomorrow on Argo. but basically, would mean to reprocess all existing parquet dataset because their schema would not be always ordered for all "chunks" |
…ing dataset locatation as temporary storage
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