Are you perhaps being bitten by the leap second bug? Just happened to me last week.
http://blog.wpkg.org/2012/07/01/java-leap-second-bug-30-june-1-july-2012-fix/ Michael Della Bitta ------------------------------------------------ Appinions, Inc. -- Where Influence Isn’t a Game. http://www.appinions.com On Mon, Jul 9, 2012 at 1:13 PM, Jon Drukman <jdruk...@gmail.com> wrote: > I have a very small Solr setup. The index is 32MB and there are only 8 > fields, most of which are ints. I run a cron job every hour to use > DataImportHandler to do a full reimport of a database which has 42,600 rows. > > There is minimal traffic on the server. Maybe a few dozen queries a > minute. Usually way less than 1 per second. They look like this: > > INFO: [] webapp=/solr path=/select > params={sort=add_date+desc&fl=content_id&start=0&q=*:*&wt=json&fq=tag_id:((10)+AND+(8))&rows=180} > hits=35937 status=0 QTime=0 > > INFO: [] webapp=/solr path=/select > params={sort=add_date+desc&fl=content_id&start=0&q=*:*&wt=json&fq=tag_id:((10)+AND+(791+9))&rows=72} > hits=1651 status=0 QTime=6 > > INFO: [] webapp=/solr path=/select > params={sort=add_date+desc&fl=content_id&start=0&q=*:*&wt=json&fq=tag_id:((2)+AND+(10)+AND+(20+24+16)+AND+(31+32+33+792+793))&rows=250} > hits=6 status=0 QTime=1 > > QTime looks good. That's milliseconds, right? > > Despite this, solr's java process is constantly using 100% or more CPU. > While writing this email I've seen it jump from 53% to 91% to 154%. It's > up and down all over the place. > > I'm worried what might happen if the traffic load actually shot up. This > doesn't seem healthy. > > I'm using the Jetty config from the example directory. Solr 3.5.0 straight > from apache.org. > > # java -version > java version "1.6.0_22" > OpenJDK Runtime Environment (IcedTea6 1.10.6) > (amazon-52.1.10.6.44.amzn1-x86_64) > OpenJDK 64-Bit Server VM (build 20.0-b11, mixed mode) > > Amazon EC2 running Amazon's standard "Amazon Linux" distribution (basically > CentOS) > > Any advice? > > Thanks > -jsd-
