We leave it at DEBUG level. Good for figuring issues. Is there client tracing in your datanode logs? You might want to disable this if its on. Here is what I add to the hadoop conf/log4j.properties:
log4j.logger.org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace=WARN St.Ack 2011/6/8 Gaojinchao <gaojinc...@huawei.com>: > Stack, Thanks for your reply. > In your production, set the log level information or warning ? > > -----邮件原件----- > 发件人: saint....@gmail.com [mailto:saint....@gmail.com] 代表 Stack > 发送时间: 2011年6月9日 12:36 > 收件人: user@hbase.apache.org > 主题: Re: a question about log level > > In the conf/log4j.properties > St.Ack > > On Wed, Jun 8, 2011 at 9:02 PM, Gaojinchao <gaojinc...@huawei.com> wrote: >> How should we set the log level for production ? >> Do anyone have some experience? >> I want to use information. >> >> >> >
