thanks for the quick reply. I made to rule out what I could around how Linux is handling this stuff. Yes I'm using the default swappiness setting of 60, but at this point it looks like the machine is swapping now because of low memory.
Here is the vmstat and free -m results: <http://lucene.472066.n3.nabble.com/file/n4086882/vmstat_free_output.png> Here is my top sorted by mem: <http://lucene.472066.n3.nabble.com/file/n4086882/top_output.png> Again, I feel like I might be missing something but not sure what. -- View this message in context: http://lucene.472066.n3.nabble.com/SOLR-4-2-1-High-Resident-Memory-Usage-tp4086866p4086882.html Sent from the Solr - User mailing list archive at Nabble.com.