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https://issues.apache.org/jira/browse/DERBY-3353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kristian Waagan updated DERBY-3353:
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Bug behavior facts: [Performance]
> Derby should use Dynamic Data format to flow small lobs by value instead of
> locator
> -----------------------------------------------------------------------------------
>
> Key: DERBY-3353
> URL: https://issues.apache.org/jira/browse/DERBY-3353
> Project: Derby
> Issue Type: Improvement
> Components: Network Client, Network Server
> Affects Versions: 10.3.1.4, 10.4.1.3
> Environment: DRDA allows for "Dynamic Data Format" to allow lob data
> to be transferred in one of three formats according to size.
> X'01' Data in QRYDTA.
> X'02' Data in EXTDTA.
> X'03' Data as a progressive reference.
> Currently we send all lob data by locator, meaning we make at least two
> stored procedure calls per locator, one to retrieve the length and one to
> retrieve the substring. This can lead to excessive overhead for small lobs.
> Reporter: Kathey Marsden
>
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