You are looking at preliminary documentation for a future release. Not what you want? See the current release documentation.
The Elasticsearch reference provides insight on tuning Elasticsearch.
Tune for indexing speed provides information on:
- Refresh interval
- Disabling swapping
- Optimizing filesystem cache
- Considerations regarding faster hardware
- Setting the indexing buffer size
Tune for disk usage provides information on:
- Disabling unneeded features
- Shard size
- Shrink index