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  • to_zarr fails for large dimensions; sensitive to exact dimension size and chunk size · 2 ✖

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1142597646 https://github.com/pydata/xarray/issues/6640#issuecomment-1142597646 https://api.github.com/repos/pydata/xarray/issues/6640 IC_kwDOAMm_X85EGqgO JamiePringle 12818667 2022-05-31T20:13:26Z 2022-05-31T20:13:26Z NONE

I have had a few other odd indexing issues with large arrays. It almost feels as if somewhere, the sizes are forced to be a fixed size integer or something.

On Tue, May 31, 2022 at 3:34 PM Deepak Cherian @.***> wrote:

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Thanks Jamie.

Yes it now fails here with maxNumObs=1 and xarray main.

It looks like self._chunks is wrong but I don't know why.

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   to_zarr fails for large dimensions; sensitive to exact dimension size and chunk size 1249638836
1142516331 https://github.com/pydata/xarray/issues/6640#issuecomment-1142516331 https://api.github.com/repos/pydata/xarray/issues/6640 IC_kwDOAMm_X85EGWpr JamiePringle 12818667 2022-05-31T18:36:47Z 2022-05-31T18:36:47Z NONE

My apologies @dcherian, in commenting the code, I switched "FAILS" and "WORKS" -- the size that fails is numberOfDrifters=120067029

I have edited the example code above, and it should fail when run. I have made a test environment with the versions you suggested, and with maxNumObs=1, and it still fails with the same error.

Jamie

 
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   to_zarr fails for large dimensions; sensitive to exact dimension size and chunk size 1249638836

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