My previous message seemed to be corrupted by the list server. Resending without the attachments.
________________________________ From: Bennett, Ron Sent: Monday, May 03, 2010 11:02 AM To: '[email protected]' Subject: New user - ramdisk and updated legends Hi, I am a new Ganglia user. Overall, we are pleased with this tool, but still working through a few startup problems. We are currently monitoring 4500 cpus in 900 hosts, across 17 clusters, including Solaris, AIX, and 5 flavors of Linux. We are using ramdisk on the ganglia server to get reasonable performance (required for >2000 cpus with our server). Ramdisk files are rsync'd to file server every 15 minutes. We plan to investigate RRDCache as an alternative to ramdisk and would appreciate advice on the preferred configuration for best performance on large grids. I.E. ramdisk vs. RRDCache; number of server cpus; tuning suggestions. Some of our new users found the sorting and color coding of clusters and hosts confusing, particularly when a metric other than load_one was selected. The attached legends contain additional explanation about the sorting and color coding conventions, fwiw. Ron
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