Could it possibly be http://issues.apache.org/jira/browse/LOGCXX-317? If so,
there is a patch there that may solve the issue.
On Jun 11, 2010, at 11:58 PM, Yue Gao wrote:
> our server hung for 2 hours today.
> the log shows
> 2010-06-11 20:27:56,852 INFO - Saving data, INCREMENTAL, clock:15094434027
> 2010-06-11 20:27:56,852 INFO - ========================================
> 2010-06-11 23:07:50,223 INFO - Save Memory: 95 (9.05991e-05 M)
> 2010-06-11 23:07:50,223 INFO - Save Type: INCREMENTAL
>
> the code is
> LOG4CXX_INFO(logger_, "Saving data,
> "<<(saveType==DATA_SAVE_TYPE_COMPLETE?"COMPLETE":"INCREMENTAL")<<",
> clock:"<<clock->now());
>
> balabal
>
> LOG4CXX_INFO(logger_, "========================================");
> LOG4CXX_INFO(logger_, "Save Memory: "<<totSize<<"
> ("<<totSize/(float)(1024*1024)<<" M)");
> LOG4CXX_INFO(logger_, "Save Type:
> "<<(saveType==DATA_SAVE_TYPE_INCREMENTAL?"INCREMENTAL":"COMPLETE"));
>
> the logger_ is initialized in the constructor as
> log4cxx::PropertyConfigurator::configureAndWatch("logger-w.cfg");
> logger_ = log4cxx::Logger::getLogger("World");
>
> and the config file is
>
> log4j.rootLogger=INFO, stdout, R
>
> log4j.appender.stdout=org.apache.log4j.ConsoleAppender
> log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
> log4j.appender.stdout.layout.ConversionPattern=%d %-5p - %m%n
>
> log4j.appender.R=org.apache.log4j.RollingFileAppender
> log4j.appender.R.File=../log/fish-w.log
> log4j.appender.R.MaxFileSize=20MB
> log4j.appender.R.MaxBackupIndex=12
> log4j.appender.R.layout=org.apache.log4j.PatternLayout
> log4j.appender.R.layout.ConversionPattern=%d %-5p - %m%n
>
>
> log4j.logger.diamond=INFO, FILE
> log4j.additivity.diamond=false
> log4j.appender.FILE = org.apache.log4j.DailyRollingFileAppender
> log4j.appender.FILE.File = ../log/diamond-w.log
> log4j.appender.FILE.DatePattern='.'yyyy-MM-dd
> log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
> log4j.appender.FILE.layout.ConversionPattern=%d %-5p - %m%n
>
> there is no log rolling between log "====" and "Save Memory". the log shows
> it hung 2 hours between these two lines. Could anyone tell me why this
> happened?
> thanks
