Ryan Abernathey

Here's an example of a minimal reproducer which I hoped might (but actually does not) reproduce the problem. ```python import h5py import fsspec import numpy as np url = 'https://support.hdfgroup.org/ftp/HDF5/examples/files/exbyapi/h5ex_d_chunk.h5'...

Ok this is great progress. Let's keep boiling it down. Here are some questions. - You're still looping though a bunch of files. Can we reproduce the problem with a...

Also, one final idea: can we try this with an fsspec / gcsfs version that predates to the big async refactor? That would help us narrow down whether this is...

> I think we're pretty sure it _is_ async related. Is there a way to completely disable the async layer of fsspec implementations and just use purely synchronous functions?

Before trying more library combinations, I recommend simplifying the reproducer further as outlined in https://github.com/pangeo-forge/pangeo-forge-recipes/issues/177#issuecomment-924354396.

Thanks for continuing to push on this Charles. I think we need to get to the bottom fo the issue with a minimal reproducer. In the meantime, I plan to...

Not really no. It's more of a _hope_ that #218 will close this.

/run-test-tutorials

@TomAugspurger - over in #236, I have removed the pre-initialization of the concat dim with 0 values. It doesn't seem to break anything (including the tutorial notebooks). If that is...

p.s. If you plan to keep working on this branch, please rebase as there have been some big improvements to the test suite.