Hi.
I may not be the best person to answer this as my mapper is not written in
JAVA but here are my 2 cents worth.
screen wrote:
>
> 1. Performance tunning/optimization any good suggestions or links?
>
With only 10 tasks, and a heavy calculation in the map() tuning the hadoop
is not your fir
Hello,
I am going to make a patch agains 1.0.0 release and have troubles compiling the
release from sources.
I cloned git repo git://git.apache.org/hadoop-common.git and checked out
release-1.0.0 tag.
Seems to me, the release tag is not compilable, maven reports about missing POM
files:
INFO]
Alexander,
Hadoop 1.0 (A rename of the 0.20.x series, [0]) and below used Apache Ant as
their build tool, not Maven. Get the latest Apache Ant from ant.apache.org and
run "ant compile".
On 13-Jan-2012, at 5:11 PM, Alexander Zarochentsev wrote:
> Hello,
>
> I am going to make a patch agains 1.
Thank you very much.
compile-ant-tasks:
[javac] Compiling 5 source files to /root/work/hadoop-common/build/ant
compile:
BUILD SUCCESSFUL
Total time: 3 minutes 58 seconds
On Jan 13, 2012, at 4:18 PM, Harsh J wrote:
> Alexander,
>
> Hadoop 1.0 (A rename of the 0.20.x series, [0]) and belo
I tried this, and it doesn't seem to work. Specifically, the way I
tested it was adding:
user.name
[my_username]
to core-site.xml. I then tried a test mkdir, and did an ls which showed
the new folder had been created by my default whoami client username
instead of the new one I had set. Do
I am running a hadoop jar and keep getting this error -
java.lang.NoSuchMethodError:
org.codehaus.jackson.JsonParser.getValueAsLong()
on digging deeper, this is what I can find:- my jar packages version 1.8.5
of jackson-mapper-asl (Jackson json parser) and I can verify that by using
"mvn depend
>
> From: vvkbtnkr
>To: core-u...@hadoop.apache.org
>Sent: Friday, January 13, 2012 1:59 PM
>Subject: Wrong version of jackson parser while running a hadoop job
>
>
>I am running a hadoop jar and keep getting this error -
>java.lang.NoSuchMethodError:
>org.co
Which hadoop version are you using?
On 1/13/12 1:59 PM, "vvkbtnkr" wrote:
>
> I am running a hadoop jar and keep getting this error -
> java.lang.NoSuchMethodError:
> org.codehaus.jackson.JsonParser.getValueAsLong()
>
>
> on digging deeper, this is what I can find:- my jar packages version 1
