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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Parallelizing TableSnapshotScanner
Date Thu, 20 Oct 2016 15:30:48 GMT
Can you come up with unit test that shows what you observed ?
You may have seen the javadoc for ClientSideRegionScanner :

 * A client scanner for a region opened for read-only on the client side.
Assumes region data

 * is not changing.


On Thu, Oct 20, 2016 at 8:26 AM, Randy Fox <rfox@connexity.com> wrote:

> Hi,
> I have attempted to parallelize the TableSnapshotScanner by taking the
> ClientSideRegionScanner’s it generates and sending them each to their own
> thread to read the results.  I am finding that I do not get all the rows
> per region when I do this.  It seems the more parallelism the less data I
> get back.  Any ideas on why these scanners cannot be accessed in parallel?
> Thanks in advance,
> Randy

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