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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Closed: (DERBY-872) Fix how to measure performance of lob streaming
Date Wed, 28 Apr 2010 15:43:31 GMT

     [ https://issues.apache.org/jira/browse/DERBY-872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Kristian Waagan closed DERBY-872.

    Resolution: Won't Fix

I'm closing this as won't fix.

The code in question has undergone changes since this issue was logged, and I suggest we create
a new issue if we want to investigate the matter further.
Note also that some code for testing this exist in [BC]lobAccessTest.

> Fix how to measure performance of lob streaming
> -----------------------------------------------
>                 Key: DERBY-872
>                 URL: https://issues.apache.org/jira/browse/DERBY-872
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Test
>            Reporter: Tomohito Nakayama
>            Assignee: Tomohito Nakayama
>         Attachments: file_500k.txt, run.ksh, TestDriver.java
> I think the measurement should be done in next 3 points of view at least.
> 1: Stability of performance.
> See the influence of long run.
> 2: Performance for volume.
> See the influence of size of  binary to be streamed.
> 3: Difference in type of LOB
> See the influence of type of LOB, BLOB or CLOB.
> http://mail-archives.apache.org/mod_mbox/db-derby-dev/200601.mbox/<43D75FD0.1020603%40basil.ocn.ne.jp>

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