Long Duration IndexOrDocValuesQuery

(Alex Bello) #1

Hey guys!

I am using a 5 node elasticsearch cluster with a ~120GB index.

We are having issues with slow queries that have several filters. After profiling our queries, I see that IndexOrDocValuesQuery is taking about 3.2 seconds each. Each query has about 4 or 5 of these steps which cause it to take 20 seconds. What is weird is that the TermQuery which I would imagine is much more expensive takes 64 ms.

Where should we poke around to get more information as to what could be slowing these queries down?

Node Specs:
4 CPUs
12 GB Heap

5 Data Nodes, 2 Masters, 2 Clients. Masters and clients are much lower speced than nodes.

Here is the query: https://gist.github.com/wakawaka54/d4cad864d858efc41a0b2806ea0041b4

Here is the query profile result: https://gist.github.com/wakawaka54/6b52fd0eef2b8ead1589241e65c239fe

(system) closed #2

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