issue_comments: 239002748

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https://github.com/pydata/xarray/issues/936#issuecomment-239002748 https://api.github.com/repos/pydata/xarray/issues/936 239002748 MDEyOklzc3VlQ29tbWVudDIzOTAwMjc0OA== 2020717 2016-08-10T21:00:22Z 2016-08-10T21:00:22Z NONE

Hi Stephan, I notice that you posted a solution of sorts on stackoverflow. Is this a real fix or a bandaid for the problem? I ran a few tests with pynio by itself where there was no problem opening e.g. a GRIB file for reading and a NetCDF file for writing at the same time. I am wondering if the issue involves using pynio and the netCDF4 modules at the same time. Let me know if still think something in pynio is not working correctly. Thanks. -dave

On Tue, Aug 2, 2016 at 1:35 PM, David Brown dbrown@ucar.edu wrote:

Hi Stephan,

I will look into this issue. -dave

On Tue, Aug 2, 2016 at 11:01 AM, Stephan Hoyer notifications@github.com wrote:

As reported on StackOverflow: http://stackoverflow.com/ questions/38711915/segmentation-fault-writing-xarray-datset-to-netcdf-or- dataframe/

It appears that we can only open a single file at a time with pynio?

Adding a thread lock via lock=True didn't solve the issue.

cc @david-ian-brown https://github.com/david-ian-brown

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