That graph is taken from a paper we will be publishing as a tech report.
Here is the missing text:
To show the behavior of the system over time as failures are injected we
ran a ZooKeeper service made up of 7 machines. We ran the same
saturation benchmark as before, but this time we kept the write
percentage at a constant 30\%, which is a conservative ratio of our
expected workloads.

-----Original Message-----
From: Stu Hood [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, October 01, 2008 7:34 PM
To: zookeeper-user@hadoop.apache.org
Subject: Read Write Performance Graphs

Question regarding the current docs: the "Reliability in the Presence of
Errors" graph on
http://hadoop.apache.org/zookeeper/docs/current/zookeeperOver.html does
not list how many ZooKeeper quorum nodes are in use, or the fraction of
reads/writes.

I'd like to use the graphic in a presentation, but I'm sure someone will
ask these questions.

Thanks tons!

Stu Hood
Architecture Software Developer
Mailtrust, a Division of Rackspace

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