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ZarrCollectionProvider:#92

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tik65536 merged 1 commit into
healpix_geo_dggrs_providerfrom
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Jun 14, 2026
Merged

ZarrCollectionProvider:#92
tik65536 merged 1 commit into
healpix_geo_dggrs_providerfrom
main

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  • changed back to use the query function of an xarray dataset to select data by zoneIds.
  • xarray-sql is faster, but for a large dataset (> 60 million rows), it ingests the dataset into memory, which causes a memory issue.
  • The handling of CQL2 filter remains unchanged (keep using xarray-sql), but we need to find a better way to deal with large datasets.

- changed back to use query to select data by zoneIds.
- xarray-sql is faster, but for large dataset (>60Million of rows), it ingested dataset into memory which cause memory issue.
- the handling of cql2 filter remain unchanged (keep using xarray-sql), but need to find a better way to due with large dataset.
@tik65536 tik65536 merged commit 5a99acb into healpix_geo_dggrs_provider Jun 14, 2026
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