Hi Sreejesh,
The data in an ORC file is divided into stripes and in these stripes columns
are divided into column groups.
The compression is at the column group level, so to answer your question ORC
files are splittable no matter the codec used.
Daniel
> On 21 ביוני 2015, at 10:56, sreejesh s
Hi,
As per my understanding, the available codecs for ORC file format Hive table
compression are either Zlib or Snappy.Both the compression techniques are non
splittable.. Does it mean that any queries on Hive table stored as ORC and
compressed will not run multiple maps in parallel ???
I know t
