@Andrew: Inline On Wed, Sep 4, 2013 at 2:14 PM, Andrew Purtell <[email protected]> wrote:
> I've been testing high loads with HBase 0.94 and JDK 7 for a while, .17 and > .25, with no observed issues. This is on the EC2 HVM instance types. > > On running with large heaps, your mileage will vary depending on workload. > G1 is generally better than CMS. Given read-mostly workloads I think you > will be pleased. > That's great. We will start the testing with .25 . Would you mind sharing your heap size and jvm settings? For what kind of workload you tuned your jvm settings? > > As far as I know, we've received positive testimonials on 0.94 and JDK 7 as > this question has come up a few times. That may be about as good an > "official certification" as one can get from open source. > I think, i am good for now since the community seems to be happy with JDK7 and cdh also certified it. > > > On Tue, Sep 3, 2013 at 4:26 PM, anil gupta <[email protected]> wrote: > > > Hi All, > > > > We are thinking of running HBase(we have JVM heaps larger than 25 GB) > with > > JDK7 to use G1 garbage collection, but as a precaution we would like > HBase > > to be certified with JDK7. I see this ticket for same: > > https://issues.apache.org/jira/browse/HBASE-5261 > > Above havent had any activity from November, 2012. Are there any > timelines > > to certify HBase 0.94 with JDK7? > > > > -- > > Thanks & Regards, > > Anil Gupta > > > > > > -- > Best regards, > > - Andy > > Problems worthy of attack prove their worth by hitting back. - Piet Hein > (via Tom White) > -- Thanks & Regards, Anil Gupta
