Re: Which proposed distro of Hadoop, 0.20.206 or 0.22, will be better for HBase?

2011-10-07 Thread Steve Loughran
On 06/10/2011 17:49, milind.bhandar...@emc.com wrote: Steve, Summary: I'm not sure that HDFS is the right FS in this world, as it contains a lot of assumptions about system stability and HDD persistence that aren't valid any more. With the ability to plug in new placers you could do tricks like

Re: Which proposed distro of Hadoop, 0.20.206 or 0.22, will be better for HBase?

2011-10-07 Thread Milind.Bhandarkar
Steve, > >you can improve Hadoop to make it more agile; my defunct Hadoop >lifecycle branch did a lot of that, but you have to have everyone else >using Hadoop to be willing to let the changes go in -and those changes >mustn't impose a cost or risk to the physical cluster model. Until Hadoop 0.

Re: Which proposed distro of Hadoop, 0.20.206 or 0.22, will be better for HBase?

2011-10-07 Thread Konstantin Boudnik
On Fri, Oct 07, 2011 at 10:17AM, Steve Loughran wrote: > On 06/10/2011 17:49, milind.bhandar...@emc.com wrote: >> Steve, >> >>> Summary: I'm not sure that HDFS is the right FS in this world, as it >>> contains a lot of assumptions about system stability and HDD persistence >>> that aren't valid any

Java Versions and Hadoop

2011-10-07 Thread Milind.Bhandarkar
Hi Folks, While I have seen the wiki on which java versions to use currently to run Hadoop, I have not seen any discussion about the roadmap of java version compatibility with future hadoop versions. Recently, Oracle retired the "Operating System Distributor License for Java" (DLJ) [http://robila