The main change you'd commonly make is decreasing the max new gen size
on large heaps (say to 2GB) from the default of 1/3 of the heap.
IMO keeping heap dump on OOM around is a good idea in production; it
doesn't cost much (you're already screwed at the point where it starts
writing a dump, so why
On Mon, 14 Jun 2010 16:01:57 -0700 Anthony Molinaro
wrote:
AM> Now I would assume that for 'production' you want to remove
AM>-ea
AM> and
AM>-XX:+HeapDumpOnOutOfMemoryError
AM> as well as adjust -Xms and Xmx accordingly, but are there any others
AM> which should be tweaked? Is there a
"...or does it very greatly from installation to installation?"
Yes.
Hi,
I was updating to a newer 0.6.3 and happened to remember that I noticed
back in 0.6.2 there's this change in CHANGES.txt
* improve default JVM GC options (CASSANDRA-1014)
Looking at that ticket, I don't actually see the options listed or a
reason for why they changed. Also, I'm not certa