[jira] Assigned: (DERBY-23) just booting jdbc driver and shutting down seem to leak memory

["Knut Anders Hatlen (JIRA)" <de...@db.apache.org>]

     [ http://issues.apache.org/jira/browse/DERBY-23?page=all ]

Knut Anders Hatlen reassigned DERBY-23:
---------------------------------------

    Assign To: Knut Anders Hatlen

> just booting jdbc driver and shutting down seem to leak memory
> --------------------------------------------------------------
>
>          Key: DERBY-23
>          URL: http://issues.apache.org/jira/browse/DERBY-23
>      Project: Derby
>         Type: Bug
>   Components: Services
>     Versions: 10.0.2.0
>     Reporter: Tulika Agrawal
>     Assignee: Knut Anders Hatlen
>     Priority: Minor

>
> Reporting for Daniel John Debrunner.
> Doing simple boot and shutdown of the driver in a loop
> seem to grow the heap forever:
> new org.apache.derby.jdbc.EmbeddedDriver(); //boot the driver
> DriverManager.getConnection("jdbc:derby:;shutdown=true"); 
> //shutdown the cloudscape instance completely
> after booting and shutting down 1516 times, memory used is  
> ~~41931056 bytes.
> Sample GC Output:
> 1931.93: [Full GC 43484K->43243K(65088K), 0.1779751 secs]
> 1933.13: [Full GC 43511K->43270K(65088K), 0.1914383 secs]
> 1934.47: [Full GC 43538K->43297K(65088K), 0.1808878 secs]
> 1935.68: [Full GC 43564K->43324K(65088K), 0.4461623 secs]
> 1937.43: [Full GC 43591K->43350K(65088K), 0.1842980 secs]
> 1938.63: [Full GC 43617K->43377K(65088K), 0.1873431 secs]
> 1939.85: [Full GC 43644K->43404K(65088K), 0.1948505 secs]
> 1941.07: [Full GC 43671K->43430K(65088K), 0.1790895 secs]

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