Does hadoop-0.20-append compatible with PIG 0.8 ?

Hi guys.. I am previously using hadoop and Hbase... So for Hbase to run perfectly fine we need Hadoop-0.20-append for Hbase jar files.. So I am using Hadoop-0.20-append jar files.. which made both my hadoop and hbase to work fine.. Now I want to use pig for my hadoop and hbase clusters.. I

Re: Does hadoop-0.20-append compatible with PIG 0.8 ?

Try replacing the hadoop jar from the pig lib directory with the one from your cluster. -Joey On Jul 2, 2011, at 0:38, praveenesh kumar praveen...@gmail.com wrote: Hi guys.. I am previously using hadoop and Hbase... So for Hbase to run perfectly fine we need

question on write failure and commit in HDFS

I wonder what happens if a HDFS client writes to 3 replicas, but only one of them succeeds, but the other 2 fail, then the client considers the operation a failure, but what happens to the successful block? if another client does a latter read, and hit on the successful block, it could read out

Re: NullPointerException when running multiple reducers with Hadoop 0.22.0-SNAPSHOT

So given that it's a fairly unusual logging error, and that you're using slf4j in your reducer, I'm wondering if your logging configuration is somehow interfering with the logging config the child process is using. Could you humor me and pull out your logging code/dependencies and give the job

RE: How to run multiple data nodes and multiple task trackers on single server.

Hi, Do we have to run multiple task trackers when running multiple data nodes on a single computer? Regards, Xiaobo Gu -Original Message- From: Xiaobo Gu [mailto:guxiaobo1...@gmail.com] Sent: Friday, July 01, 2011 11:35 PM To: hdfs-u...@hadoop.apache.org Subject: How to run