Derek McGowan a12f493bd3 Update copy to discard over truncate ... Prevents the copy method from calling discard on the writer when the reader is not seekable. Instead, the copy method will discard up to the offset. Truncate is a more expensive operation since any bytes that are truncated already have their hash calculated and are stored on disk in the backend. Re-writing bytes which were truncated requires transfering the data over GRPC again and re-computing the hash up to the point of truncation. Signed-off-by: Derek McGowan <derek@mcgstyle.net>		2018-01-26 11:44:50 -08:00
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testsuite.go	Update copy to discard over truncate	2018-01-26 11:44:50 -08:00