I see lots of messages like this in solr4 logs. What is it for?
INFO - 2014-03-14 16:42:47.098; org.apache.solr.core.SolrCore; [collection1] webapp=/solr path=/select params={NOW=1394829767088&shard.url=us123.abc.com:8983/solr/collection1/|us234.abc.com:8983/solr/collection1/&fl=q_idn_s,score&df=text&start=0&distrib=false&wt=javabin&isShard=true&fsv=true&version=2&rows=10} hits=0 status=0 QTime=0 INFO - 2014-03-14 16:42:47.163; org.apache.solr.core.SolrCore; [collection1] webapp=/solr path=/select params={NOW=1394829767152&shard.url=us123.abc.com:8983/solr/collection1/|us234.abc.com:8983/solr/collection1/&fl=q_idn_s,score&df=text&start=0&distrib=false&wt=javabin&isShard=true&fsv=true&version=2&rows=10} hits=0 status=0 QTime=0 Thanks!