A couple follow up questions for you, Barton. Are Zebra facets a general system preference? I see a few facets-related preferences, but nothing specifically tied to Zebra. We're still using Zebra in our system. Can you clarify what you mean by ElasticSearch not yet being at feature-parity in 18.05? We just upgraded to 18.05. Thoughts on staying w/ Zebra vs. switching over to ES? Many thanks in advance, Cab Vinton Plaistow Public Library Plaistow, NH On Thu, Nov 8, 2018 at 6:48 AM Barton Chittenden <barton@bywatersolutions.com> wrote:
Actually, if you have Zebra facets enabled, turn them *off*. I believe that they're enabled by default, and they're dog slow.
Zebra is *very* disk IO intensive. Make sure that its temporary directory is being written to the fastest drive you have.
If you have the QueryFuzzy or QueryStemming system preferences enabled, be aware that they don't like single letter words such as "A" or "I" -- essentially, they end up trying to search for 'a*' or 'i*'; on a slow file system they can entirely time out and not return any results. Those system preferences *do* provide for easier searching -- disabling them means that keywords have to be typed exactly as they are in the record, so there's a trade-off between speed and user utility, but if the searches are too slow, it might be worth looking into.
Finally, take a look at ElasticSearch. It isn't at feature-parity with Zebra in 18.05, but it might be worth a look.
On Wed, Nov 7, 2018 at 6:23 PM Mark Tompsett <mtompset@hotmail.com> wrote:
Greetings,
I don't promise to be right, but here are a couple thoughts: 1) You can use Zebra Facets -- there's a koha-conf.xml line in there somewhere. 2) Also, do you have plack turned on? Plack increases response times considerably.
GPML, Mark Tompsett
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