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And I'll say it again: Elasticsearch is one of the few things that lives up to its hype. It really is that good. Indexing, clustering, It Just Works. I'm very impressed with them and it's a refreshing change from other very hyped tech.
I actually have quite a few gripes with Elasticsearch. It's a pain to manage - there seems to be no way of killing long-running queries other than restarting it (so if you have users using kibana etc at some point someone will submit a impossibly hard query and kill the server), the quality of the search results just isn't that good and it takes a lot of customization to improve it - I've never been impressed with th…
jordan, agree fully with your assessment. i have experienced significant challenges in keeping elasticsearch in green since it just loves to failover at times without prior notice, while seeming to work smoothly otherwise!