On Mon, Jun 16, 2014 at 7:59 AM, Han, Xiaodan <[EMAIL PROTECTED]> wrote:

Yes, a DatumReader instance may be used in multiple threads.  Encoder
and Decoder are not thread-safe, but DatumReader and DatumWriter are.
Yes, re-using a single GenericDatumWriter to write multiple objects
should improve performance.


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