Russell Alexander Spitzer created CASSANDRA-7238:
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Summary: Nodetool Status performance is much slower with VNodes On
Key: CASSANDRA-7238
URL: https://issues.apache.org/jira/browse/CASSANDRA-7238
Project: Cassandra
Issue Type: Bug
Components: Tools
Environment: 1000 M1.Large Ubuntu 12.04
Reporter: Russell Alexander Spitzer
Priority: Minor
Fix For: 2.1 beta2
Nodetool status on a 1000 Node cluster without vnodes returns in several
seconds. With vnodes on (256) there are OOM errors with the default XMX of 32.
Adjusting the XMX to 128 allows nodetool status to complete but the execution
takes roughly 10 minutes.
Tested
{code}
XMX | Status
32 | OOM
64 | OOM: GC Overhead
128 | Finishes in ~10 minutes
500 | Finishes in ~10 minutes
1000 | Finishes in ~10 minutes
{code}
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