We've been using ElasticSearch (through qBox) for almost 3 months now, but
something's very wrong and we need help on this one. I'll try to give as
much context as possible.
Last month we had a major downtime (almost 24hr). We were using a single
node with 2GB and after this downtime we upgraded to a 3 node 4GB setup. We
are online again, but our Documents Deleted values are still way too high
(40-50% and more) and they never go down, which leaves us uncomfortable.
We've contacted qBox, which are very heplful, but they always say we need a
bigger node because of that. It's really not an option, as hosting costs of
our product skyrocketed with this.
Our product is an invoicing platform. Our text search, filters and all
invoice listings now get all their data from elastic instead of MySQL, so
we can't rely (we think) on bulk indexing, as the invoices, items, clients,
etc.. need to be indexed asap to be shown in listings. Maybe we have a
design issue and shouldn't be using elastic for so many things, it's
something we need to understand better.
At the moment, our main concern in making sure we're ok in the long run and
avoid another huge downtime at all costs.
Can someone help in some way? We'd be very grateful.
Some more info:
- We're still not using round robbin. Could this help?
- Version 1.2.4. It's on our roadmap to upgrade but we've heard stories
of worst performance in some cases (groovy-related).
- I've added some screens with node info from qbox.
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