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From "Jeremy Hanna (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-1485) Add a weighted request scheduler
Date Fri, 10 Sep 2010 22:46:32 GMT


Jeremy Hanna commented on CASSANDRA-1485:

We'll probably just stick with a simple weighted round robin for an initial weighted scheduler.
 It will assume that all requests are equal and give weights to users' request based on configuration

As more is learned, we can implement more sophisticated schedulers that might take into account
call type (read vs write, types of reads) as far as how long we assume the operation to take.
 We could just have defined values for each type of call and do a deficit calculation based
on that for each queue.

> Add a weighted request scheduler
> --------------------------------
>                 Key: CASSANDRA-1485
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Jeremy Hanna
>            Assignee: Jeremy Hanna
>            Priority: Minor
> Now that CASSANDRA-1035 has given Cassandra a request scheduler interface, it would be
nice to have a weighted request scheduler.

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