[Koha-bugs] [Bug 12478] Elasticsearch support for Koha

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=12478

--- Comment #39 from Robin Sheat <robin at catalyst.net.nz> ---
(In reply to Jonathan Druart from comment #38)
> Thanks Robin for the wiki page.
> I have quickly tested this morning, to confirm the search works.
> Just some quick notes:
> - The indexation should commit every 1k biblio (minimum), the commit is a
> slow op indeed.

Yeah. The commit rate I'm defining is currently actually not useful as Catmandu
has its own buffering and committing system. I think that's changeable though.

I also think the whole indexing process can be optimised a fair bit. I just
haven't looked into it yet.

> - You have removed the use of search/results.tt in your last commit, is it
> intended? I am pretty sure it's not a good idea to use the same template for
> ES and Zebra, but maybe it's temporary.

Hmm? I'm not totally sure what you mean here. I am totally deliberately using
the same template to show ES results as also shows zebra results, that's by
design. Any other way would require copy-pasting 99% of the template, when
there's already a perfectly good one that shows search results. I'm also trying
to make a bit of an abstract search layer thing, not totally perfectly, to make
it easier to work with this sort of thing in the future (very much based off
your solr stuff in that respect.)

> Note that there are encoding errors in facets (and in the table results
> also), the "Show more" link appears even if only 1 entry is displayed. 

Yep, definitely. There'll be a lot of things like that that just need to be
polished.

> I only get 2 facets: authors and itemtype.

MARC21 or UNIMARC? You should get more, though I haven't looked at that for a
while.

For example,
http://elasticsearch.koha.catalystdemo.net.nz/cgi-bin/koha/opac-search.pl?q=chicken 

give availability, item types, authors and topics. But the facet stuff as a
whole will need more work, I mostly got it to the point where it works at all
and then moved on.

> Do you plan to rebase your work against master? It would be great to see
> these patches on top of bug 11944.

Yes, I do. I'm just a little afraid to as I know it'll conflict with many, many
things.

One day soon I'll suck it up and do it though.

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