I was wondering if its possible to have Elasticsearch write docs to memory and have them roll. The use case is that we have a lot of data on a specific index being written and the writes to disk are using lots of disk io, we need this data for a short term and would be nice to have them in memory like the feature Prometheus offers.
Is that possible with Elasticsearch?
You can create a memory mount at the OS level and then have a node (eg hot) that uses that mount as the data directory, yes.
There's nothing native to Elasticsearch that will do that directly though, so it's a bit of DIY.
@warkolm Thank you for getting back to me. I will start exploring that option.
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