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From Alain RODRIGUEZ <arodr...@gmail.com>
Subject Re: removing old nodes
Date Thu, 21 Mar 2013 22:05:29 GMT
"(And now all sharing token 50? I dunno where that came from.)"

Not sure about what you mean.

"nodetool gossipinfo still shows all the old nodes there"

They must appear with a "left" or "remove" status. Off the top of my head,
this information will remains 7 days. Not sure about it.




2013/3/21 Ben Chobot <bench@instructure.com>

> Thanks Alain, this seems to have stopped the log messages, even though
> nodetool gossipinfo still shows all the old nodes there. (And now all
> sharing token 50? I dunno where that came from.) Will they eventually fall
> away from the cluster, or are they there for good?
>
> On Mar 21, 2013, at 11:53 AM, Alain RODRIGUEZ wrote:
>
> Using the unsafeAssassinateEndpoint function with old IPs from JMX should
> do the trick.
>
> This was already discussed in this mailing list, search using "unsafeAssassinateEndpoint"
> as keyword to know all that you need to know about it.
>
> Hope you'll be ok after that.
>
> Alain
>
>
> 2013/3/21 Ben Chobot <bench@instructure.com>
>
>> I've got a 1.1.5 cluster, and a few weeks ago I removed some nodes from
>> it. (I was trying to upgrade nodes from AWS' large to xlarge, and for some
>> reason that made sense at the time, it seemed better to double my nodes and
>> then decommission the smaller ones, rather than to simply rebuild the
>> existing nodes serially.)
>>
>> Now the remaining nodes are all frequently logging that the old,
>> decommissioned nodes are dead and that their old token is being removed....
>> which is great, I guess, but why does my cluster know about them at all?
>> Doing a nodetool removetoken doesn't work, as the dead nodes don't display
>> in the ring. Is this expected behavior after a nodetool decommission? Is
>> maybe something cached that I can safely uncache?
>
>
>
>

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