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README_elasticsearch.md

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Setup a Elasticsearch

  • Install Elasticsearch https://www.elastic.co/downloads/elasticsearch (2.4.x)

  • Install attachment plugin cd /usr/share/elasticsearch bin/plugin install mapper-attachments

  • Configure elasticsearch /etc/sysconfig/elasticsearch ES_HEAP_SIZE=2g

    /etc/elasticsearch/elasticsearch.yml http.max_content_length: 500mb

  • Configure Zammad

    optional - es with http basic auth

    • rails r "Setting.set('es_user', 'elasticsearch')"
    • rails r "Setting.set('es_password', 'zammad')"

    optional - extra es index name space

    • rails r "Setting.set('es_index', Socket.gethostname + '_zammad')"

    optional - ignore certain file extentions

    • rails r "Setting.set('es_attachment_ignore', [ '.png', '.jpg', '.jpeg', '.mpeg', '.mpg', '.mov', '.bin', '.exe', '.box', '.mbox' ] )"

    optional - max attachment size which is used by es, default is 50 mb

    • rails r "Setting.set('es_attachment_max_size_in_mb', 50)"

  • Create elastic search indexes

    • rake searchindex:rebuild # drop/create/reload