Re: GC options

2010-04-13 Thread Benjamin Black
Got it, thanks 2010/4/13 Peter Schüller : >> FYI, G1 has been in 1.6 since u14. > > Yes, but (last time I checked) in a considerably older form. The JDK > 1.7 one is more mature. > > -- > / Peter Schuller aka scode >

Re: GC options

2010-04-13 Thread Peter Schüller
> FYI, G1 has been in 1.6 since u14. Yes, but (last time I checked) in a considerably older form. The JDK 1.7 one is more mature. -- / Peter Schuller aka scode

Re: GC options

2010-04-13 Thread Benjamin Black
FYI, G1 has been in 1.6 since u14. 2010/4/13 Peter Schüller : >> I'm working on getting our latency as consistent as possible, and the gc >> likes to kick off 60+ms periods of unavailability for a node, which for my >> application leads to a reasonable number of timed out requests. Outside of >

Re: GC options

2010-04-13 Thread Peter Schüller
> I'm working on getting our latency as consistent as possible, and the gc > likes to kick off 60+ms periods of unavailability for a node, which for my > application leads to a reasonable number of timed out requests. Outside of > the gc event, we get good responses. > > I'm happy with reduced t

Re: GC options

2010-04-13 Thread Benjamin Black
Which version of the JVM are you using? Recent builds (u18, u19) have significantly improved GC. On Tue, Apr 13, 2010 at 3:51 PM, Daniel Kluesing wrote: > Has anyone done any tuning on the jvm gc options or are the options included > in bin/cassandra.in.sh basically the best choice? &

GC options

2010-04-13 Thread Daniel Kluesing
Has anyone done any tuning on the jvm gc options or are the options included in bin/cassandra.in.sh basically the best choice? I'm working on getting our latency as consistent as possible, and the gc likes to kick off 60+ms periods of unavailability for a node, which for my application