StarCluster - Mailing List Archive

Adding nodes to a cluster takes a long time

From: Ville Turunen <no email>
Date: Tue, 06 Aug 2013 15:58:13 +0300

Hi all,

I've noticed that it takes a fairly long time to add nodes to an
existing cluster. Starting a new cluster is a lot faster.

For example, starting a new cluster of 50 nodes using

starcluster start -c mediumcluster -b 0.02 -s 50 mycluster

we get:
>>> Configuring cluster took 1.445 mins
>>> Starting cluster took 8.749 mins

which is reasonable. But adding another 50 nodes to the cluster with

starcluster addnode -b 0.02 -n 50 -I m1.medium mycluster

takes over 45 minutes. I'm using StarCluster 0.94.

I would need to add hundreds of nodes at a time, and at this rate the
start up times quickly become too much for our purposes.

Is there any way to speed up adding nodes?

best regards,
Received on Tue Aug 06 2013 - 08:58:21 EDT
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