Dan Burkert created KUDU-2364:
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             Summary: ksck does not validate tablet server ID when checking 
connectivity
                 Key: KUDU-2364
                 URL: https://issues.apache.org/jira/browse/KUDU-2364
             Project: Kudu
          Issue Type: Bug
          Components: ksck
    Affects Versions: 1.7.0
            Reporter: Dan Burkert


ksck checks that all tablet servers can be connected to, but during this check 
it doesn't validate that the expected tablet server ID matches the ID of the 
server which is connected to.

So if you have a 3 node cluster, wipe a tserver's data dirs and restart it, 
ksck will say something like 'successfully connected to 4 tablet servers', 
because it connects to the wiped tserver twice.

 

CC [~r1pp3rj4ck] who expressed interest in fixing this.



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