Bug #41362 LogHandler opens the logfile twice causing resouce leak

• Submitted: 10 Dec 2008 16:39
• Modified: 10 Dec 2008 23:05
• Reporter: Magnus Blåudd
• Status: Closed
• Category: MySQL Cluster: Cluster (NDB) storage engine
• Severity: S2 (Serious)
• Version: 6.3-.20
• OS: Any
• Assigned to: Magnus Blåudd
• CPU Architecture: Any

[10 Dec 2008 16:39] Magnus Blåudd

Description:
FileLogHandler will open the logfile twice causing leak of one file handle. 

How to repeat:
Found during online config change in 6.4

Suggested fix:
Keep track of the open/closed state of each Logger and don't allow a log file to be reopened.

[10 Dec 2008 17:46] Bugs System

A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/61259

2789 Magnus Svensson	2008-12-10
      BUG#41362 LogHandler opens the logfile twice causing resouce leak

[10 Dec 2008 17:57] Bugs System

Pushed into 5.1.30-ndb-6.3.20  (revid:[e-mail]-20081210174607-ex1za51nuhq7eei6) (version source revid:[e-mail]-20081210174607-ex1za51nuhq7eei6) (pib:5)

[10 Dec 2008 17:58] Bugs System

Pushed into 5.1.30-ndb-6.4.0  (revid:[e-mail]-20081210174607-ex1za51nuhq7eei6) (version source revid:[e-mail]-20081210175510-c1y9fxz3vqluqkv6) (pib:5)

[10 Dec 2008 23:05] Jon Stephens

Documented in the NDB-6.3.20 changelog as follows:

        Cluster log files were opened twice by internal log-handling code,
        resulting in a resource leak.

[10 Dec 2008 23:10] Jon Stephens

Fix actually went into NDB-6.3.21 - updated changelog entry accordingly.