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https://issues.apache.org/jira/browse/CASSANDRA-1035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12882054#action_12882054
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Jonathan Ellis commented on CASSANDRA-1035:
-------------------------------------------

the auth api is super alpha.  if keyspace-based scheduling can be adequate for 
you then I strongly suggest going with that for 0.7.

i don't see any benefit to throwing TOE.  if client retries immediately it 
makes thing worse.  simply blocking seems more natural imo.

> Implement User/Keyspace throughput Scheduler
> --------------------------------------------
>
>                 Key: CASSANDRA-1035
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1035
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Stu Hood
>             Fix For: 0.7
>
>
> To support multiple applications on top of a single Cassandra cluster (and to 
> protect against badly behaving clients) having a very simple scheduler for 
> client operations would be very beneficial.
> Since all tasks are short lived, a sufficient scheduler would probably only 
> need to manage the queue of incoming requests, and weight them based on an 
> assigned ID. The ID could be dynamically determined by using ip, userid or 
> keyspace for instance, and then each Runnable would be assigned an ID.

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