[jira] [Updated] (CASSANDRA-2858) make request dropping more accurate

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-2858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Ellis updated CASSANDRA-2858:
--------------------------------------

    Attachment: 2858.txt

bq. The ExpiringMap of callbacks on the client side always waits until the RPC timeout to expire messages

Not so, ResponseVerbHandler calls removeRegisteredCallback.

bq. A client thread calling get() on a callback has a timeout independent from the timeout for the Callback in the ExpiringMap

That would be nice to clean up in a separate ticket.

bq. The originally mentioned issue of not having an accurate timeout on the server side

This is the most important part to address.  Patch attached.
                
> make request dropping more accurate
> -----------------------------------
>
>                 Key: CASSANDRA-2858
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2858
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Ryan King
>            Assignee: Melvin Wang
>            Priority: Minor
>             Fix For: 1.2.0 beta 1
>
>         Attachments: 2858.txt
>
>
> Based on the discussion in CASSANDRA-2819, we can make the bookkeeping for request times more accurate.

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