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From "V.Narayanan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3359) The log shipper needs to be modified to vary the shipping intervals dynamically (based on load)
Date Sun, 10 Feb 2008 09:57:09 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

V.Narayanan updated DERBY-3359:
-------------------------------

    Attachment: DynamicLogShipping_v3.stat
                DynamicLogShipping_v3.diff

Thank you for the comments/reviews on the patch Oystein!

I have done all the changes as suggested by you.

Some additional changes are enumerated and explained below,

- Changed the Class level comment to indicate that the shipping happens
  when notification is received from the log buffer also. Also removed
  some comments that are not valid anymore.

- lastShippingTime is initialized to System.currentTimemillis() in the
  beginning. This would mean that the first shipping for medium load
  FI_LOW < fi < FI_HIGH cannot happen unless MIN ms has elapsed.

- lastShippingTime is initialized in the shipALogChunk() method.

> The log shipper needs to be modified to vary the shipping intervals dynamically (based
on load)
> -----------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3359
>                 URL: https://issues.apache.org/jira/browse/DERBY-3359
>             Project: Derby
>          Issue Type: Sub-task
>            Reporter: V.Narayanan
>            Assignee: V.Narayanan
>         Attachments: DynamicLogShipping_v1.diff, DynamicLogShipping_v1.stat, DynamicLogShipping_v2.diff,
DynamicLogShipping_v2.stat, DynamicLogShipping_v3.diff, DynamicLogShipping_v3.stat
>
>


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