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From Apache Wiki <wikidi...@apache.org>
Subject [Db-derby Wiki] Update of "LockDebugging" by KimHaase
Date Thu, 07 Feb 2013 19:32:46 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Db-derby Wiki" for change notification.

The "LockDebugging" page has been changed by KimHaase:
http://wiki.apache.org/db-derby/LockDebugging?action=diff&rev1=7&rev2=8

  select * from syscs_diag.lock_table; 
  }}}
  
- More information about the lock table and other diagnostic tables and functions can be found
on the "SYSCS_DIAG diagnostic tables and functions" pages in the ''Derby Reference Manual''.
+ More information about the lock table can be found in the "SYSCS_DIAG diagnostic table"
topic of the ''Derby Reference Manual''.
  
  === Interpreting the diagnostics ===
  
  Not every aspect of the debug information mentioned above (deadlock traces or lock table
dumps) is intuitive to the average user of Derby. This section is intended to provide information
that may be helpful in deciphering the output. 
- 
- Much of the format of the lock table is described in the Javadoc of the internal class org.apache.derby.diag.LockTable.
- 
- There is also a useful page showing example usage of two relevant diagnostics tables in
[[http://publib.boulder.ibm.com/infocenter/cldscp10/index.jsp?topic=/com.ibm.cloudscape.doc/hubprnt57.htm|the
Cloudscape Administration Guide]] (mind that some information on that page might be outdated).
  
  A walk-through of a lock timeout debugging session on IRC [[http://www.mail-archive.com/derby-user@db.apache.org/msg04584.html|is
available in the mailing list archives]] for the derby-user mailing list.
  

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