Framework way?
Maybe try delving into the log4j framework and modify the log4j.properties
file. You can generate different log files based upon what class generated the
message. Here's an example that I experimented with previously, it generates
an update log, and 2 different query logs with slightly different information
about each query.
Adding a component to each requestHandler dedicated to logging might be the
best way, but that might not qualify as a "framework way", and I've never tried
anything like that, so don't know how easy it might be.
Just sending the relevant lines from log4j.properties, excluding the lines
that are there by default.
# Logger for updates
log4j.logger.org.apache.solr.update.processor.LogUpdateProcessor=INFO, Updates
#- size rotation with log cleanup.
log4j.appender.Updates=org.apache.log4j.RollingFileAppender
log4j.appender.Updates.MaxFileSize=4MB
log4j.appender.Updates.MaxBackupIndex=9
#- File to log to and log format
log4j.appender.Updates.File=${solr.log}/solr_Updates.log
log4j.appender.Updates.layout=org.apache.log4j.PatternLayout
log4j.appender.Updates.layout.ConversionPattern=%-5p - %d{yyyy-MM-dd
HH:mm:ss.SSS}; %C; %m\n
# Logger for queries, using SolrDispatchFilter
log4j.logger.org.apache.solr.servlet.SolrDispatchFilter=DEBUG, queryLog1
#- size rotation with log cleanup.
log4j.appender.queryLog1=org.apache.log4j.RollingFileAppender
log4j.appender.queryLog1.MaxFileSize=4MB
log4j.appender.queryLog1.MaxBackupIndex=9
#- File to log to and log format
log4j.appender.queryLog1.File=${solr.log}/solr_queryLog1.log
log4j.appender.queryLog1.layout=org.apache.log4j.PatternLayout
log4j.appender.queryLog1.layout.ConversionPattern=%-5p - %d{yyyy-MM-dd
HH:mm:ss.SSS}; %C; %m\n
# Logger for queries, using SolrCore
log4j.logger.org.apache.solr.core.SolrCore=INFO, queryLog2
#- size rotation with log cleanup.
log4j.appender.queryLog2=org.apache.log4j.RollingFileAppender
log4j.appender.queryLog2.MaxFileSize=4MB
log4j.appender.queryLog2.MaxBackupIndex=9
#- File to log to and log format
log4j.appender.queryLog2.File=${solr.log}/solr_queryLog2.log
log4j.appender.queryLog2.layout=org.apache.log4j.PatternLayout
log4j.appender.queryLog2.layout.ConversionPattern=%-5p - %d{yyyy-MM-dd
HH:mm:ss.SSS}; %C; %m\n
-----Original Message-----
From: rbkumar88 [mailto:rbkuma...@gmail.com]
Sent: Thursday, June 18, 2015 10:41 AM
To: solr-user@lucene.apache.org
Subject: Solr Logging
Hi,
I want to log Solr search queries/response time and Solr indexing log
separately in different set of log files.
Is there any convenient framework/way to do it.
Thanks
Bharath
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