On 9/3/2015 4:20 PM, Renee Sun wrote: > Now I just discovered some of the processes send in large amount of commit > requests on many cores which never had any changes in the last interval.
If you are using a Solr version released in the last two years (at least version 4.4), then a commit on an index that hasn't actually changed will basically be a null operation. https://issues.apache.org/jira/browse/SOLR-4965 Thanks, Shawn