Database Reference
In-Depth Information
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Performance issues
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Operation support
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Debug application vulnerability
Default server logging settings are defined within the
log4j-serv-
er.properties
file, as shown in the following.
# output messages into a rolling log file as well as
stdout
log4j.rootLogger=INFO,stdout,R
# stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p
%d{HH:mm:ss,SSS} %m%n
# rolling log file
log4j.appender.R=org.apache.log4j.RollingFileAppender
log4j.appender.R.maxFileSize=20MB
log4j.appender.R.maxBackupIndex=50
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%5p [%t]
%d{ISO8601} %F (line %L) %m%n
# Edit the next line to point to your logs directory
log4j.appender.R.File=/var/log/cassandra/system.log
# Application logging options
#log4j.logger.org.apache.cassandra=DEBUG
#log4j.logger.org.apache.cassandra.db=DEBUG
#log4j.logger.org.apache.cassandra.service.StorageProxy=DEBUG
# Adding this to avoid thrift logging disconnect errors.
log4j.logger.org.apache.thrift.server.TNonblockingServer=ERROR
Let's discuss these properties in sequence
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Properties with prefix
log4j.appender.stdout
are for console
logging.
