Are you using two-phase commit? If yes then have a look at this post:
https://groups.google.com/group/h2-database/browse_thread/thread/2fb61bd17fb8dad9


wburzyns

On Apr 22, 5:52 pm, Noel Grandin <[email protected]> wrote:
> You probably have an open transaction that causes the transaction log
> to grow and grow.
>
>
>
>
>
>
>
> On Sun, Apr 22, 2012 at 14:45, Michael Spector <[email protected]> wrote:
> > Hello,
>
> > We're stuck on the following problem. Sometimes, the database enters
> > such a state, so it starts growing to an enormous size (several gigs)
> > without control. I tried to see whether there's a bug in my code,
> > which leads to wrong insertions to the database, but the data itself
> > takes only 5% of the database file size.
>
> > Below are my actions:
>
> > # ls -lsh
> > 7.0G -rw-r--r-- 1 michael michael 7.2G 2012-04-22 10:34 mydb.h2.db
>
> > I tried to connect to the database, and dump it to an SQL file:
>
> > # java -cp org.h2_1.3.163.jar org.h2.tools.Shell -url
> > "jdbc:h2:mydb;CIPHER=AES" -user test -password "test test" -driver
> > org.h2.Driver
> > sql> EXPORT TO '/tmp/test.sql'
>
> > # ls -lsh /tmp/dump.sql
> > 340M -rw-r--r-- 1 michael      michael      340M 2012-04-22 10:35
> > test.sql
>
> > I tried to defragment the database, and I've got this error:
>
> > sql> SHUTDOWN DEFRAG;
> > Error: org.h2.jdbc.JdbcSQLException: Database is already closed (to
> > disable automatic closing at VM shutdown, add
> > ";DB_CLOSE_ON_EXIT=FALSE" to the db URL) [90121-163]
>
> > Then I looked at the database size, it has grown to 8G!
>
> > # ls -lsh
> > 7.9G -rw-r--r-- 1 michael michael 8.0G 2012-04-22 10:47 mydb.h2.db
>
> > Any help will be appreciated!
>
> > --
> > Michael
>
> > --
> > You received this message because you are subscribed to the Google Groups 
> > "H2 Database" group.
> > To post to this group, send email to [email protected].
> > To unsubscribe from this group, send email to 
> > [email protected].
> > For more options, visit this group 
> > athttp://groups.google.com/group/h2-database?hl=en.

-- 
You received this message because you are subscribed to the Google Groups "H2 
Database" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to 
[email protected].
For more options, visit this group at 
http://groups.google.com/group/h2-database?hl=en.

Reply via email to