Thanks for your answer. I've found the problem that I fogot to implement the
writable interface in my input values' class.
Best wishes
Song Liu from Suzhou University
在2009-03-13?17:19:35,"Sharad?Agarwal"??写道:
>???comments?are?inline:
>
>柳松?wrote:
>
>
>
Dear all:
I have set the value "SkipBadRecords.setMapperMaxSkipRecords(conf, 1)",
and also the "SkipBadRecords.setAttemptsToStartSkipping(conf, 2)".
However, after 3 failed attempts, it gave me this exception message:
java.lang.NullPointerException
at
org.apache.hadoop.io.seriali
Dear all:
I run my hadoop program with another MPI program on the same cluster. here
is the result of "top".
PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND
11750 qianglv 25 0 233m 99m 6100 R 99.7 2.5 116:05.59 rosetta.mpich
18094 cip 17 0
Actually, there's a widely misunderstanding of this "Common PC" . Common PC
doesn't means PCs which are daily used, It means the performance of each node,
can be measured by common pc's computing power.
In the matter of fact, we dont use Gb enthernet for daily pcs' communication,
we dont use li
Dear all!
Can any one provide me a decoder or cdoec for Sogou Corpus? I'm analyzing Sogou
Corpus using hadoop, but I cannot decode the .7z files.
I have tried LZMA, but Idont know why it is not able to uncompress and decode
the Sogou Corpus.
If there are some one who like me are analysing this l
Hi all!
I'm working on the Sogou Corpus Mining with hadoop mapreduce. However, the
files are compressed as 7zip format.
Does Hadoop has a built-in support for 7zip files? or I need to write a codec?
Regards
Song Liu in Suzhou Universtiy, China.
Dear 晋光峰:
Glad to see another Chinese name here. It sounds possible, but could you
give us a little more detail?
Best Regards.
在2008-11-24?09:41:15,"晋光峰"?<[EMAIL PROTECTED]>?写道:
>Dear?all,
>
>Does?anyone?knows?how?to?integrate?hadoop?to?web?applications??I?want?to
>startup?a?hadoop?job?by
啥?
在2008-11-20?12:44:55,"朱韬"?<[EMAIL PROTECTED]>?写道:
><[EMAIL PROTECTED]>
So glad to see so many Chinese guys here!
I'm a undergraduate student in Soochow University and interested in this area.
Wish I could attend the Beijing Meeting...however...I'm looking for a job
now...so...
Anyway, Glad to see you all!
在2008-11-18?13:30:31,bacoo_zh?<[EMAIL PROTECTED]>?写道:
>
You can also rebuild the jar by compiling all the sources in the 'src' folder
with your working jdk.
在2008-11-18?21:38:30,"Johannes?Zillmann"?<[EMAIL PROTECTED]>?写道:
>Dear?Hadoop?Developers,
>
>i?work?on?a?java?5?project?and?during?upgrade?from?0.18.1?to?0.18.2??
>this?error?appears:
>
>...
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