Mahadev konar commented on ZOOKEEPER-231:

in response to allen's comments:

we expect that the admin's will have some common subtree for users/apps
something like /apps/app1 -- 

so in that case it would just add one node for a new user and in zookeeepr 1 
node corresponds to 100 bytes or so.

so usage should not be a problem.

also regarding administration, we will expose the setting and getting of these 
quotas using jmx and will have command line tools to do that and get stats. 

@krishna's comments:

it would a huge overhead to track usage/stats per client since the clients are 
usually distributed and of the ordeor of thousands.
does that make sense?

> Quotas in zookeeper
> -------------------
>                 Key: ZOOKEEPER-231
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-231
>             Project: Zookeeper
>          Issue Type: New Feature
>    Affects Versions: 3.0.0
>            Reporter: Mahadev konar
>            Assignee: Mahadev konar
>             Fix For: 3.1.0
> creating quota's in zookeeper so that a runaway application does not bring 
> down the zookeeper cluster.

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