date:20170626

Unsubscribe

2017-06-26 Thread Qiming Chen

Unsubscribe

RE: Lots of warning messages and exception in namenode logs

2017-06-26 Thread omprakash

Hi all, I started the HDFS in DEBUG mode. After examining the logs I found below logs which read that the replication factor required is 3 (as against the specified dfs.replication=2). DEBUG BlockStateChange: BLOCK* NameSystem.UnderReplicationBlock.add: blk_1074074104_337394 has only 1

Unsubscribe

2017-06-26 Thread Chen Qiming

Unsubscribe

unsubscribe

2017-06-26 Thread Bandi, Saidi R

Unsubscribe Regards, Saidi The information contained in this message is proprietary and/or confidential. If you are not the intended recipient, please: (i) delete the message and all copies; (ii) do not disclose, distribute or use the message in any manner; and (iii) notify the sender immedia

Re: how to implement checkpointing and fault tolerance based fault tolerance in hadoop

2017-06-26 Thread Hassan Asghar

Thank you for the clarification. i am talking about fault toldrance in map reduce, is there any algorithm implement in it?? For Checkpointing and Replication??? On Mon, 26 Jun 2017 at 3:32 AM, Jasson Chenwei wrote: > hi, Hassan. > > First, YARN( the scheduler) doesn't provide any fault tolerance

Re: Can hdfs client 2.6 read file of hadoop 2.7 ?

2017-06-26 Thread Ravi Prakash

Hi Jeff! Yes. hadoop-2.6 clients are able to read files on a hadoop-2.7 cluster. The document I could find is http://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/Compatibility.html . "Both Client-Server and Server-Server compatibility is preserved within a major release" HTH R

Re: Restrict the number of container can be run in Parallel in Yarn?

2017-06-26 Thread Akira Ajisaka

Hi wuchang, If you are using Hadoop 2.7+, you can use the following parameters to limit the number of simultaneously running map/reduce tasks per MapReduce application: * mapreduce.job.running.map.limit (default: 0, for no limit) * mapreduce.job.running.reduce.limit (default: 0, for no limit) R

unsubscribe

2017-06-26 Thread Venkatrama, Krishna

unsubscribe Krishna Venkatrama(KK) 9049052189 IT Shared Services Sr. Information Architect Hadoop Data Platform Architect We comply with applicable Federal civil rights laws and do not discriminate on the basis of race, color, national origin, age, disability or sex. You may access the Non-Disc