Re: Nutch crawl problem

where i should solve this? why it generated 0 records? pvvpr wrote: > > basically your indexes are empty since no URLs were generated and fetched. > See > this, > >> > - Generator: 0 records selected for fetching, exiting ... >> > - Stopping at depth=0 - no more URLs to fetch. >> > - No URLs

How can I get parameters form mappers ?

How can I get parameters form mappers ? I can't do it with jobconf, I've try it . -邮件原件- 发件人: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 代表 Chris Dyer 发送时间: 2007年11月7日 6:04 收件人: hadoop-user@lucene.apache.org; [EMAIL PROTECTED] 主题: Re: configuration for mappers? Hi S

RE: point in time snapshot

Billy, Are you referring to snapshots of the entire DFS or of HBase? --- Jim Kellerman, Senior Engineer; Powerset > -Original Message- > From: news [mailto:[EMAIL PROTECTED] On Behalf Of Billy > Sent: Tuesday, December 18, 2007 4:29 PM > To: hadoop-user@lucene.apache.org > Subject: poin

Re: about API of hase

look in src\contrib\hbase\src\test\org\apache\hadoop\hbase\TestHBaseCluster.java On Dec 18, 2007 7:51 PM, ma qiang <[EMAIL PROTECTED]> wrote: > Hi colleague, > After reading the API docs about hbase,I don't know how to > manipulate the hase using the java API .Would you please send me some >

Re: Nutch crawl problem

basically your indexes are empty since no URLs were generated and fetched. See this, > > - Generator: 0 records selected for fetching, exiting ... > > - Stopping at depth=0 - no more URLs to fetch. > > - No URLs to fetch - check your seed list and URL filters. > > - crawl finished: crawled when

about API of hase

Hi colleague, After reading the API docs about hbase,I don't know how to manipulate the hase using the java API .Would you please send me some examples? Thank you! Ma Qiang Department of Computer Science and Engineering Fudan University Shanghai, P. R. China

Re: Nutch crawl problem

i can't solve it now, pls help me jibjoice wrote: > > i use nutch-0.9, hadoop-0.12.2 and i use this command "bin/nutch crawl > urls -dir crawled -depth 3" have error : > > - crawl started in: crawled > - rootUrlDir = input > - threads = 10 > - depth = 3 > - Injector: starting > - Injector: cra

point in time snapshot

I been looking around jira and can not find a issue on snapshots is there an snapshot for backup option in the works? Say I want to do a backup on my data I would run a snapshot and it would be stored in the dfs as a backup file(s) but I could restore it if needed later down the road if current

Re: hbase error - Too many open files

Thanks for that. I had two blocks I had to delete with hadoop fsck / -delete because they where corrupted but I am unsure if I lost data from base looks like I still have data just not sure what the corrupted blocks where if I did lose some info it was not much. I would thank there would be a

Re: Problem bringing up TaskTracker on slave nodes...

Just to close the loop on this, and to make sure someone else doesn't have the same problem, this turned out to be a case of cockpit error. I had mis-read the documentation concerning mapred.task.tracker.report.bindAddress and had set it to point to the master node. I should have left thi

Re: hbase error - Too many open files

See if last item in FAQ fixes your issue Billy: http://wiki.apache.org/lucene-hadoop/Hbase/FAQ St.Ack Billy wrote: I have tried to load hbase several times and always keep filing 2007-12-18 14:21:45,062 FATAL org.apache.hadoop.hbase.HRegionServer: Replay of hlog required. Forcing server resta

RE: Hbase tutorial?

Try the following: hql> create table webtable( --> contents MAX_VERSIONS=10 COMPRESSION=BLOCK, --> anchor MAX_LENGTH=256 BLOOMFILTER=COUNTING_BLOOMFILTER --> VECTOR_SIZE=1 NUM_HASH=4); * BLOOMFILTER=NONE|BLOOMFILTER|COUNTING_BLOOMFILTER|RETOUCHED_BLOOMFILTER Thanks, Edward. --

Hbase tutorial?

I tried to enter some test tables in hbase. The example was taken from http://wiki.apache.org/lucene-hadoop/Hbase/HbaseShell but it fails no matter which bloomfiler option I choose. Is there a better tutorial? Hbase> CREATE TABLE webtable ( --> contents MAX_VERSIONS=10 COMPRESSION=BLOCK,

Re: Running hadoop on multinode cluster

M.Shiva wrote: Hi, We have followed the steps to run the hadoop on linux implementing multi-node cluster. http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_(Multi-Node_Cluster)we're working 2 nodes. One as master,other as slave. We have started the namenode but the slave node fai

Running hadoop on multinode cluster

Hi, We have followed the steps to run the hadoop on linux implementing multi-node cluster. http://www.michael-noll.com/wiki/Running_Hadoop_On_Ubuntu_Linux_(Multi-Node_Cluster)we're working 2 nodes. One as master,other as slave. We have started the namenode but the slave node fails. Since we ar