http://www.datastax.com/support-forums/topic/seeing-lessno-data-from-some-nodes Software, Support, and Training for Apache Cassandra en-US Mon, 20 May 2013 00:10:47 +0000 http://bbpress.org/?v=1.0.3 q http://www.datastax.com/support-forums/search.php http://www.datastax.com/support-forums/topic/seeing-lessno-data-from-some-nodes#post-7587 Tue, 20 Nov 2012 15:45:31 +0000 GodenYao 7587@http://www.datastax.com/support-forums/ <p>I figured this out. After restart the agent, I also need to refresh the webpages - it won't auto-refresh.<br /> Thanks<br /> -Goden </p> http://www.datastax.com/support-forums/topic/seeing-lessno-data-from-some-nodes#post-7586 Tue, 20 Nov 2012 15:32:16 +0000 nickmbailey 7586@http://www.datastax.com/support-forums/ <p>Can you load the graphs for only one node instead of 'All Nodes'? That will allow you to verify if each node is collecting performance data. </p> http://www.datastax.com/support-forums/topic/seeing-lessno-data-from-some-nodes#post-7581 Tue, 20 Nov 2012 03:17:08 +0000 GodenYao 7581@http://www.datastax.com/support-forums/ <p>I have a 8-node Cassandra Cluster and All opscenter agents connected as shown on OpsCenter Dashboard page.<br /> A couple days ago I found sth abnormal in Performance Metrics Graph: I can only see 2 or 3 nodes drawing the lines (e.g. Read/Write Request, Read/Write Latency) - other nodes are completely no show (maybe they're just too close to bottom? but i don't think so).</p> <p>I tried to restarted agents on some nodes but looks the same.<br /> Has anyone seen this before or what's the right steps to trouble shoot it?</p> <p>thanks.<br /> -Goden </p>