Real world capacity

Real world capacity planning: Cassandra on blades and big iron July 2011

About me ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Media6 Degrees ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is this talk about? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Using puppet, chef... from day 1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Calculating Data size on disk ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Speed of disk ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Disk formatting ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Memory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CPU ,[object Object],[object Object],[object Object]

Different workloads ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Large Disk / Big Iron key points ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Blade server key points ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Schema lessons ,[object Object],[object Object],[object Object],[object Object]

Capacity Planning rule #1 Know your hard drive limits

Capacity Planning rule #2 Writes are fast, until c* flushes and compacts so much, that they are not

Capacity Planning rule #3 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Capacity Planning rule #4 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Capacity Planning rule #5 ,[object Object]

The use case: Dr. Real Time and Mr. Batch

Dr. Real Time ,[object Object],[object Object],[object Object],[object Object]

Dr. Real Time's Lab ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mr. Batch ,[object Object],[object Object],[object Object],[object Object]

Mr. Batch rampaging through the data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Real world capacity

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Editor's Notes