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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3713) memory leak when insert rows into a table using org.apache.derby.jdbc.EmbeddedDriver
Date Thu, 30 Oct 2008 23:06:44 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12644150#action_12644150
] 

Dag H. Wanvik commented on DERBY-3713:
--------------------------------------

I think so; the original author hasn't commented on Bryan's obervation, so
it's unclear if this is a bug at all and no repro exists.

> memory leak when insert rows into a table using org.apache.derby.jdbc.EmbeddedDriver

> -------------------------------------------------------------------------------------
>
>                 Key: DERBY-3713
>                 URL: https://issues.apache.org/jira/browse/DERBY-3713
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.4.1.3
>         Environment: solaris and macos,  jdk1.5
>            Reporter: Peter Schi
>
> I downloaded the latest derby and I only modified the SimpleApp.java which came with
the software under db-derby-10.4.1.3-bin/demo/programs/simple  directory by inserting a larger
string into the same table and I inserted the same data for 10000 times, just using the default
driver which was org.apache.derby.jdbc.EmbeddedDriver 
> I found out that there was memory leak, the size of used memory got increased and was
about the same size of total data inserted into the table.
> For example, if  2MB size of data was inserted into the table, then the size of used
memory was increased by 2MB as well.
> The memory leak still happened even if the database was shut down.

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