Shard file size (gluster 3.7.5)

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Have upgraded my cluster to debian jessie, so able to natively test 3.7.5

 

I’ve noticed some peculiarities with reported file sizes on the gluster mount but I seem to recall this is a known issue with shards?

 

Source file is sparse, nominal size 64GB, real size 25GB. However underlying storage is ZFS with lz4 compression which reduces it to 16GB

 

No Shard:

ls –lh     : 64 GB

du –h      : 25 GB

 

4MB Shard:

ls –lh     : 144 GB

du –h      : 21 MB

 

512MB Shard:

ls –lh     : 72 GB

du –h      : 765 MB

 

 

a du –sh of the .shard directory show 16GB for all datastores

 

Is this a known bug for sharding? Will it be repaired eventually?

 

Sent from Mail for Windows 10

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