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https://issues.apache.org/jira/browse/DERBY-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dag H. Wanvik updated DERBY-1372:
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Derby Categories: [Performance]
> Handle data overrun of DDMWriter buffer more efficiently
> --------------------------------------------------------
>
> Key: DERBY-1372
> URL: https://issues.apache.org/jira/browse/DERBY-1372
> Project: Derby
> Issue Type: Improvement
> Components: Network Server
> Affects Versions: 10.1.2.1
> Reporter: Kathey Marsden
> Priority: Minor
>
> Currently if data writing overruns DDMWriter's 32K buffer,
> Network server will allocate a twice as big buffer and copy the
> data. This could be made more efficient.
> One possibility is to keep a shared pool of buffers and chain them. This
> might also help with general scalability of network server.
> When this is fixed, the code in writeQRYDTA to guestimate if we
> have enough remaining room in the block can be removed.
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