Here are two quick things: 1) Make sure info level logging is turned on and look at the logs during the period of time the CPU is spiking. 2) Do a thread dump of what Solr is doing during 100% cpu time. You can do a thread dump from the admin console.
Joel Bernstein http://joelsolr.blogspot.com/ On Fri, Jul 15, 2016 at 1:03 AM, yuyan <[email protected]> wrote: > Hi, > > I'm hosting a web server. The indexing is powered by Solr. > The Solr architecture we use is Solr Master / Slave. > Our Solr Slave(Java.exe) encounters 100 % CPU at a specific time. It > happens > few times per day especially working hour. > Now, how we solved the issue is add another Slave into the ELB. > We don't know what exactly happened to our Slave server. > > Are there any tools or ways to find out what's happening? > > Our current setup Platform : AWS Linux Solr version: 5.3.0 > > Thank you. > > > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Solr-Slave-high-CPU-at-certain-hour-tp4287293.html > Sent from the Lucene - General mailing list archive at Nabble.com. >
