Performance of multi_match

Elastic Stack Elasticsearch
7

What about your sharding? Is it the same as with solr?

Did you identify some particulier queries being slow? Can you compare
the number of results returned between elasticsearch and solr?
Cédric Hourcade
ced@wal.fr

On Wed, Jun 25, 2014 at 10:12 AM, Christoph Lingg c.lingg@gmail.com wrote:

Hi Cedric and Stephane,

Thanks for your feedback! Following your ideas I removed any filtering and
custom scoring from the query. I do get better results, but the efficiency
of multi_match is still not as good as edismax (3 or 4 times slower).

I do not understand how multi_match is more complex than edismax. AFAIK the
only difference is even out idf over multiple fields for the final scoring.

Is there any tool to trace the performance in elasticsearch?

Christoph

Am Mittwoch, 25. Juni 2014 09:22:07 UTC+2 schrieb Stephane Bastian:

Hello Christoph,

Just wanted to add that it would be great if you could report back your
findings (good or bad) to the group. We're especially interested in this
because we're going to install Photon and would love it to work as fast as
possible :wink:

Stéphane Bastian

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