Field-level compression ({{Store.COMPRESS}}) is not possible anymore. We should use index-level compression codecs instead. In Elasticsearch, those are part of the index settings, so they are none of our business (they should be configured by the user, e.g. through [custom index settings|https://docs.jboss.org/hibernate/stable/search/reference/en-US/html_single/#backend-elasticsearch-configuration-index-settings]). In Lucene, we should provide a sensible default (maybe align with Elasticsearch?) and offer configuration properties to configure it. |
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