Hi Krishina,
For SPS logging of server.log, it is controlled with settings from the following file:
C:\Program Files\CA\secure-proxy\Tomcat\properties\logger.properties
It is a standard log4j setup :
#Common setting for SvrFileAppender
log4j.appender.SvrFileAppender.layout=org.apache.log4j.PatternLayout
log4j.appender.SvrFileAppender.layout.ConversionPattern=[%d{dd/MMM/yyyy:HH:mm:ss-SSS}] [%p] - %m%n
log4j.appender.SvrFileAppender.File=${catalina.base}/../proxy-engine/logs/server.log
log4j.appender.SvrFileAppender.Append=true
#Type of log rolling used.
log4j.appender.SvrFileAppender=org.apache.log4j.RollingFileAppender
log4j.appender.SvrFileAppender.MaxFileSize=1MB
log4j.appender.SvrFileAppender.MaxBackupIndex=10
The log4j used is : log4j-1.2.17.jar and the default is : RollingFileAppender,:
http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/RollingFileAppender.html
You can change it, but for log4j 1.2 there isnt much (log4j 2x has rollover policy) - but there is a DailyRollingFileAppender, and it is possible to write your own or find some with a google search on the net.
Cheers - Mark