issue_comments: 347381734

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https://github.com/pydata/xarray/pull/1528#issuecomment-347381734 https://api.github.com/repos/pydata/xarray/issues/1528 347381734 MDEyOklzc3VlQ29tbWVudDM0NzM4MTczNA== 703554 2017-11-28T01:16:07Z 2017-11-28T01:16:07Z CONTRIBUTOR

When still in the original interpreter session, all the objects still exist in memory, so all the pointers stored in the array are still valid. Restart the session and the objects are gone and the pointers are invalid.

On Tue, Nov 28, 2017 at 1:14 AM, Alistair Miles alimanfoo@googlemail.com wrote:

Try exiting and restarting the interpreter, then running:

zgs = zarr.open_group(store='zarr_directory') zgs.x[:]

On Tue, Nov 28, 2017 at 1:10 AM, Ryan Abernathey <notifications@github.com

wrote:

zarr needs a filter that can encode and pack the strings into a single buffer, except in the special case where the data are being stored in-memory

@alimanfoo https://github.com/alimanfoo: the following also seems to works with directory store

values = np.array([b'ab', b'cdef', np.nan], dtype=object) zgs = zarr.open_group(store='zarr_directory') zgs.create('x', shape=values.shape, dtype=values.dtype) zgs.x[:] = values

This seems to contradict your statement above. What am I missing?

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-- Alistair Miles Head of Epidemiological Informatics Centre for Genomics and Global Health http://cggh.org Big Data Institute Building Old Road Campus Roosevelt Drive Oxford OX3 7LF United Kingdom Phone: +44 (0)1865 743596 <+44%201865%20743596> Email: alimanfoo@googlemail.com Web: http://a http://purl.org/net/alimanlimanfoo.github.io/ Twitter: https://twitter.com/alimanfoo

-- Alistair Miles Head of Epidemiological Informatics Centre for Genomics and Global Health http://cggh.org Big Data Institute Building Old Road Campus Roosevelt Drive Oxford OX3 7LF United Kingdom Phone: +44 (0)1865 743596 Email: alimanfoo@googlemail.com Web: http://a http://purl.org/net/alimanlimanfoo.github.io/ Twitter: https://twitter.com/alimanfoo

 
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