[Koha] Elasticsearch setup

[Katrin Fischer]

Hi Tom,

if everything is set up correctly you can switch back and forth using
the searchengine system preference.

Hope this helps,

Katrin

On 17.03.20 17:08, Tom Hanstra wrote:
> I have managed to get elasticsearch running (thanks Thomas!) and it seems
> to have indexed many of my records (though there were quite a few errors
> and messages received during the indexing process).
>
> Now, how do I best check to see what is in the Elasticsearch index? Is
> there a way to test or at least count the number of records indexed?
>
> And then how do I switch Koha from using Zebra to using Elasticsearch?  Do
> I have to "turn off" Zebra in some way and turn on Elasticsearch?  Or is
> that supposed to be switched automatically?
>
> Thanks in advance for any tips that might help!
>
> Tom
>
> On Mon, Mar 16, 2020 at 2:20 PM <mlist at opendoor.fr> wrote:
>
>> Hello,
>>
>> We use debian, but are installing from sources. Here are my notes about
>> ElasticSearch:
>>
>> Get a recent version of Java
>>
>> Install ES from upstream repositoruies
>>
>> Configure Koha <-> ES via  $KOHA_CONF
>>
>> Install lucene plugin:
>>
>> /usr/share/elasticsearch/bin/elasticsearch-plugin install analysis-icu
>>
>> Install following packages:
>>
>>      libcatmandu-marc-perl
>>      libcatmandu-store-elasticsearch-perl
>>
>> systemctl enable elasticsearch
>>
>> restart server (or restart all koha related services)
>>
>> rebuild index:
>>
>>   /home/koha/Current/bin/search_tools/rebuild_elasticsearch.pl -v
>>
>>   /home/koha/Current/bin/search_tools/rebuild_elasticsearch.pl –delete -v
>> -a -b -p 4
>>
>>
>> Best regards
>>
>>
>> On 2020-03-16 7:09 p.m., Tom Hanstra wrote:
>>> In the documentation I'm reading about the use of elasticsearch, all
>>> information is completely Debian specific, including both the use of
>>> kohadevbox and debian software installations of the koha-elasticsearch
>>> metapackage.
>>>
>>> For those of us who don't use Debian (yes, there are some of us), is
>> there
>>> any documentation of more complete ElasticSearch setup commands and
>>> information of what is inside of the koha-elasticsearch metapackage and
>>> other supporting software? I'd rather not have to reverse engineer those
>>> pieces from Debian, but the documentation seems to assume installation
>> has
>>> one or the other of the above Debian based packages.
>>>
>>> I'm assuming that Koha can work with Elasticsearch on any Linux
>>> distribution, with the right setup. If so, can someone help fill in the
>>> gaps between Debian and the other Linuxes.
>>>
>>> Thanks,
>>> Tom
>>>
>> --
>> Thomas Constans
>> Services en informatique libre
>> T: 33(0)6 23 37 87 85
>> @: https://opendoor.fr
>> #: https://twitter.com/ThomasConstans
>> gpg: 0xBA19745F80410541
>>
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>