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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3313) JDBC client driver statement cache
Date Wed, 25 Nov 2009 11:22:39 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12782376#action_12782376

Kristian Waagan commented on DERBY-3313:

Hi Brett,

Are you in a position where you can test out a build that has caching enabled for XA connections?
I'd need to have a look at the code again, but enabling caching for XA connections is very
easy. However, the XA code has some special logic here and there, and I would have to check
if any of these interferes with the cache.

I'd prefer if you create a separate issue for tracking the work on prepared statement caching
for XA connections (mostly due to the amount of comments on this one), but feel free to reopen
this issue and link to the new one.

> JDBC client driver statement cache
> ----------------------------------
>                 Key: DERBY-3313
>                 URL: https://issues.apache.org/jira/browse/DERBY-3313
>             Project: Derby
>          Issue Type: Improvement
>          Components: JDBC, Network Client
>    Affects Versions:
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>             Fix For:
>         Attachments: bank_transaction_stmtcache_16c.png, derby-3313-1a-early_prototype.diff,
derby-3313-1a-early_prototype.stat, JDBCClientStatementCacheOverview.txt, JDBCClientStatementCacheOverview.txt,
package.html, package.html
> A statement cache in the JDBC client driver will help increase performance in certain
scenarios, for instance some multi-tier systems using connection pooling.
> Please consult the comments and documents attached to this issue for more information.

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