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From "Tom Tang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LOG4NET-344) Make AdoNetAppender not to stuck application process
Date Thu, 31 May 2012 04:25:22 GMT
Tom Tang created LOG4NET-344:
--------------------------------

             Summary: Make AdoNetAppender not to stuck application process
                 Key: LOG4NET-344
                 URL: https://issues.apache.org/jira/browse/LOG4NET-344
             Project: Log4net
          Issue Type: Improvement
          Components: Appenders
    Affects Versions: 1.2.10
         Environment: Windows series
            Reporter: Tom Tang
             Fix For: 3.5


The original AdoNetAppender could stuck application during log insertion.
Because it use the sync method call to do database insert, once the DB is unavailable or table
was locked.
I change the implementation that has an inner queue inside to store the messages, and the
other independent thread will be going to cunsuming the queue messages and do DB insertion.

This implementation will not have any impact on application performance and much stable.

Trade off: Once the queue max buffer was full, the later coming log message would be ignored
and gone forever. But log4net is not designed for guarantee delivery in purpose, right? So
it's not big deal at all. :)  

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