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From "Jeremy Hanna (JIRA)" <>
Subject [jira] Issue Comment Edited: (CASSANDRA-1485) Add a weighted request scheduler
Date Tue, 21 Sep 2010 18:24:33 GMT


Jeremy Hanna edited comment on CASSANDRA-1485 at 9/21/10 2:23 PM:

I guess I just don't see a net gain.  getWeight would need to be called for each request either
in the schedule method or the queue method.  Maybe I'm misunderstanding.

      was (Author: jeromatron):
    queues are only created once, but every time something is put onto the queue (i.e. every
request) a new Pair<String, Integer> would be created.  Maybe I'm misunderstanding.
 Also the getWeight functionality would need to be used every time something is put onto the
queue to determine the weight.
> Add a weighted request scheduler
> --------------------------------
>                 Key: CASSANDRA-1485
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>    Affects Versions: 0.7 beta 1
>            Reporter: Jeremy Hanna
>            Assignee: Jeremy Hanna
>            Priority: Minor
>             Fix For: 0.7 beta 2
>         Attachments: 0001-added-basic-keyspace-weighting.patch
> 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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