Re: Understanding HEAP usage

2014-10-21 Thread karthik jayanthi
Hi, Any pointers on what could be happening in here ? Thanks, Karthik -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscr...@googlegroups.

Re: Understanding HEAP usage

2014-10-17 Thread Nikolas Everett
Measuring heap usage in Java applications is very different than measuring memory usage for other stuff. 1. Usually java allocates all the heap its going to need up front at startup. At least, we do that in server applications. 2. Java's garbage collection is very lazy so heap usage will go up s

Understanding HEAP usage

2014-10-17 Thread karthik jayanthi
Hi, We are using Elasticsearch for one of our applications. As a part of which we indexed about 3M documents and have built two indices around them. We have used a cluster of 2 Nodes each with 7.5 GB RAM and have dedicated 4 GM to the ES. What we are seeing is that on one of the nodes, the amoun