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From Kyrylo Lebediev <>
Subject Re: question about nodetool decommission
Date Wed, 17 Jan 2018 20:38:40 GMT
Hi Jerome,

I don't know reason for this, but compactions run during  'nodetool decommission'.

What C* version you are working with?

What is the reason you're decommissioning the node? Any issues with it?

Can you see any errors/warnings in system.log on the node being decommissioned?

Pending tasks --- you mean output of 'nodetool tpstats'?

Could you please send output of 'nodetool netstats' from the node you're trying to evict from
the cluster.



From: Jerome Basa <>
Sent: Wednesday, January 17, 2018 6:56:10 PM
Subject: question about nodetool decommission


am currently decommissioning a node and monitoring it using `nodetool
netstats`. i’ve noticed that it hasn’t started streaming any data and
it’s doing compaction (like 600+ pending tasks). the node is marked as
“UL” when i run `nodetool status`.

has anyone seen like this before? am thinking of stopping C* and run
`nodetool removenode`. also, can i add a new node to the cluster while
one node is marked as “UL” (decommissioning)? thanks


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