issue_comments: 347126256

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https://github.com/pydata/xarray/issues/463#issuecomment-347126256 https://api.github.com/repos/pydata/xarray/issues/463 347126256 MDEyOklzc3VlQ29tbWVudDM0NzEyNjI1Ng== 5929935 2017-11-27T09:33:29Z 2017-11-27T09:33:29Z NONE

@shoyer I just ran into this issue again (with 8000 files, each 50 kB), I'm using xarray 0.9.6 and work on some performance tests. Is there any upper limit of number of files?

File "/home/shahn/.pyenv/versions/warp_conda/envs/pyraster_env/lib/python2.7/site-packages/xarray/backends/api.py", line 505, in open_mfdataset File "/home/shahn/.pyenv/versions/warp_conda/envs/pyraster_env/lib/python2.7/site-packages/xarray/backends/api.py", line 282, in open_dataset File "/home/shahn/.pyenv/versions/warp_conda/envs/pyraster_env/lib/python2.7/site-packages/xarray/backends/netCDF4_.py", line 210, in __init__ File "/home/shahn/.pyenv/versions/warp_conda/envs/pyraster_env/lib/python2.7/site-packages/xarray/backends/netCDF4_.py", line 185, in _open_netcdf4_group File "netCDF4/_netCDF4.pyx", line 1811, in netCDF4._netCDF4.Dataset.__init__ (netCDF4/_netCDF4.c:13231) IOError: Too many open files

 
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