thanks!
On Tue, Mar 18, 2014 at 4:37 PM, Erick Erickson erickerick...@gmail.comwrote:
Avishai:
It sounds like you already understand mmap. Even so you might be
interested in this excellent writeup of MMapDirectory and Lucene by
Uwe:
How large is your index on disk? Solr memory maps the index into
memory. Thus the virtual memory used will often be quite large. Your
numbers don't sound inconceivable.
A good reference point is Grant Ingersoll's blog post on searchhub:
On 3/18/2014 5:30 AM, Avishai Ish-Shalom wrote:
My solr instances are configured with 10GB heap (Xmx) but linux shows
resident size of 16-20GB. even with thread stack and permgen taken into
account i'm still far off from these numbers. Could it be that jvm IO
buffers take so much space? does
Avishai:
It sounds like you already understand mmap. Even so you might be
interested in this excellent writeup of MMapDirectory and Lucene by
Uwe: http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html
Best,
Erick
On Tue, Mar 18, 2014 at 7:23 AM, Avishai Ish-Shalom
On 3/18/2014 8:37 AM, Erick Erickson wrote:
It sounds like you already understand mmap. Even so you might be
interested in this excellent writeup of MMapDirectory and Lucene by
Uwe: http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html
There is some actual bad memory
