Re: Hadoop version compatibility

2013-03-02 Thread Sean Owen
Although I don't know of any specific incompatibility, I would not be surprised. 0.18 is pretty old. As you can see in pom.xml it currently works against the latest stable version, 1.1.1. On Sat, Mar 2, 2013 at 6:16 PM, MARCOS UBIRAJARA wrote: > Dear Gentleman, > > First of all, many thanks for

Hadoop version compatibility

2013-03-02 Thread MARCOS UBIRAJARA
Dear Gentleman, First of all, many thanks for this active and vibrant community, and for the Mahout creators as well. I'm giving the first steps with mahout and hadoop, in order I can go ahead with my research. I'm facing some problems with mahout 0.7 and hadoop 0.18. Please let me know if bot

Re: Hadoop version compatibility.

2011-07-01 Thread Ken Krugler
On Jul 1, 2011, at 8:51am, Ted Dunning wrote: > You have to watch out, however, because Hadoop wire format changes pretty > often. Exactly. E.g. stock Hadoop 0.20.2 installed on a machine has problems talking to the JobTracker on a cluster running CDH3 u0, even though CHD3 is 0.20.2 + patches.

Re: Hadoop version compatibility.

2011-07-01 Thread Ted Dunning
You have to watch out, however, because Hadoop wire format changes pretty often. On Fri, Jul 1, 2011 at 7:21 AM, Xiaobo Gu wrote: > I mean mahout using the higher version of Hadoop libraries connecting > to a lower version of Hadoop cluster. > > On Fri, Jul 1, 2011 at 8:42 PM, Sean Owen wrote:

Re: Hadoop version compatibility.

2011-07-01 Thread Sean Owen
Yes, all that is fine. The two versions are nearly identical in behavior. On Fri, Jul 1, 2011 at 3:21 PM, Xiaobo Gu wrote: > I mean mahout using the higher version of Hadoop libraries connecting > to a lower version of Hadoop cluster. > > On Fri, Jul 1, 2011 at 8:42 PM, Sean Owen wrote: >> Yes,

Re: Hadoop version compatibility.

2011-07-01 Thread Xiaobo Gu
I mean mahout using the higher version of Hadoop libraries connecting to a lower version of Hadoop cluster. On Fri, Jul 1, 2011 at 8:42 PM, Sean Owen wrote: > Yes, it's still compatible. > > On Fri, Jul 1, 2011 at 1:35 PM, Xiaobo Gu wrote: >> Hi, >> >> Since the trunk of Mahout has moved to Hado

Re: Hadoop version compatibility.

2011-07-01 Thread Sean Owen
Yes, it's still compatible. On Fri, Jul 1, 2011 at 1:35 PM, Xiaobo Gu wrote: > Hi, > > Since the trunk of Mahout has moved to Hadoop 0.20.203, can we still > let Mahout connect to a lower version of Hadoop backend, such as > 0.20.2? > > Regards, > > Xiaobo Gu >

Hadoop version compatibility.

2011-07-01 Thread Xiaobo Gu
Hi, Since the trunk of Mahout has moved to Hadoop 0.20.203, can we still let Mahout connect to a lower version of Hadoop backend, such as 0.20.2? Regards, Xiaobo Gu