Github user mikewalch commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/221#discussion_r102999845
--- Diff: assemble/conf/log4j-service.properties ---
@@ -15,42 +15,48 @@
# Write out everything at the DEBUG level to the debug log
log4j.appender.A2=org.apache.log4j.RollingFileAppender
-log4j.appender.A2.File=${org.apache.accumulo.core.dir.log}/${org.apache.accumulo.core.application}${accumulo.service.instance}_${org.apache.accumulo.core.ip.localhost.hostname}_fromprops.debug.log
-log4j.appender.A2.MaxFileSize=1000MB
-log4j.appender.A2.MaxBackupIndex=10
+log4j.appender.A2.File=${accumulo.log.dir}/${accumulo.application}${accumulo.service.instance}_${accumulo.local.hostname}.debug.log
+log4j.appender.A2.MaxFileSize=100MB
+log4j.appender.A2.MaxBackupIndex=5
log4j.appender.A2.Threshold=DEBUG
log4j.appender.A2.layout=org.apache.log4j.PatternLayout
log4j.appender.A2.layout.ConversionPattern=%d{ISO8601} [%-8c{2}] %-5p: %m%n
# Write out INFO and higher to the regular log
log4j.appender.A3=org.apache.log4j.RollingFileAppender
-log4j.appender.A3.File=${org.apache.accumulo.core.dir.log}/${org.apache.accumulo.core.application}${accumulo.service.instance}_${org.apache.accumulo.core.ip.localhost.hostname}_fromprops.log
-log4j.appender.A3.MaxFileSize=1000MB
-log4j.appender.A3.MaxBackupIndex=10
+log4j.appender.A3.File=${accumulo.log.dir}/${accumulo.application}${accumulo.service.instance}_${accumulo.local.hostname}.log
+log4j.appender.A3.MaxFileSize=100MB
+log4j.appender.A3.MaxBackupIndex=5
--- End diff --
They were set to keep 20GB (10G for log & 10G for debug.log) of logs for
each Accumulo service (tserver, master, gc, etc). I understand that a user
might want to do that on a beefy production node but I don't think it should be
the default for users out of the box. I have run into the problem of disks
filling up due to logs when running a SSD VMs in AWS if these defaults are
used. This change will keep up to 1GB of logs per service on each node.
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