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Posted to user@cassandra.apache.org by buddhasystem <po...@bnl.gov> on 2011/01/25 23:40:12 UTC

Re-partitioning the cluster with nodetool: what's happening?

I'm trying re-partition my 4-node cluster to make the load exactly 25% on
each node.
As per recipes found in documentation, I calculate:
>>> for x in xrange(4):
...     print 2**127/4*x
...
0
42535295865117307932921825928971026432
85070591730234615865843651857942052864
127605887595351923798765477786913079296

And I need to move the first one to 0, then the second one to
42535295865117307932921825928971026432 etc.

Once I start the procedure, I see no progress when I look at nodetool
netstats. Nothing's happening. What am I doing wrong?

Thanks,

Maxim

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Re: Re-partitioning the cluster with nodetool: what's happening?

Posted by Aaron Morton <aa...@thelastpickle.com>.
It can take a bit of thinking time for the nodes to work out what to stream, the bottom of this page http://wiki.apache.org/cassandra/Streaming talks about how to watch whats happening. 

If it does get stuck let us know. 
Aaron


On 26 Jan, 2011,at 11:42 AM, buddhasystem <po...@bnl.gov> wrote:


Correction -- what I meant to say that I do see announcements about streaming
in the output, but these are stuck at 0%.

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Re: Re-partitioning the cluster with nodetool: what's happening?

Posted by buddhasystem <po...@bnl.gov>.
Correction -- what I meant to say that I do see announcements about streaming
in the output, but these are stuck at 0%.

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