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From Alain RODRIGUEZ <arodr...@gmail.com>
Subject Re: Unreachable node, not in nodetool ring
Date Wed, 08 Aug 2012 12:36:59 GMT
Hi,

I finally successfully removed the "ghost" node using
unsafeAssassinateEndpoint() as described there :
http://tumblr.doki-pen.org/post/22654515359/assinating-cassandra-nodes,
I hope this can help more people.

Nodetool gossipinfo gives me now the following info for the ghost node :

/10.56.62.211
  RELEASE_VERSION:1.1.2
  RPC_ADDRESS:0.0.0.0
  REMOVAL_COORDINATOR:REMOVER,85070591730234615865843651857942052864
  SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
  STATUS:LEFT,42529904547457370790386101505459979624,1344611213445
  LOAD:11594.0
  DC:eu-west
  RACK:1b

Instead of :

/10.56.62.211
  RELEASE_VERSION:1.1.2
  LOAD:11594.0
  RACK:1b
  SCHEMA:59adb24e-f3cd-3e02-97f0-5b395827453f
  DC:eu-west
  REMOVAL_COORDINATOR:REMOVER,85070591730234615865843651857942052864
  STATUS:removed,170141183460469231731687303715884105727,1342453967415
  RPC_ADDRESS:0.0.0.0

Cassandra-cli describe cluster now don't show me any unreachable node.

The only issue that remains is that my nodes aren't well load balanced
yet... After repairing, cleaning up, restarting all nodes I still have
the following ring :

Address         DC          Rack        Status State   Load
Owns                Token

                    85070591730234615865843651857942052864
10.59.21.241    eu-west     1b          Up     Normal  103.19 GB
50.00%              0
10.58.83.109    eu-west     1b          Up     Normal  62.62 GB
50.00%              85070591730234615865843651857942052864

Any idea on why I can't get the load well balanced in this cluster ?

Alain

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