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Summary: Exchange operation taking too much time on a single node Impala

New Contributor


Our system has single node impala cluster on top of 3 kudu nodes. As you can see the summary below, Exchange is taking too much time. I want to understand is this normal, or do I need to make any changes in Impala configurations.


Screen Shot 2018-06-25 at 9.48.04 PM.png






Expert Contributor

Hi @himanshuag

It seems normal, I thing you have to increase the number of your Impala nodes to benifit of the magic MPP..
If you have 3 Kudu nodes, why you don't use 3 impala daemons?
You can add the two in the same node.

Good luck.

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