Home | About | Sematext search-lucene.com search-hadoop.com
clear query|facets|time Search criteria: .   Results from 1 to 10 from 18 (0.143s).
Loading phrases to help you
refine your search...
[expand - 1 more] - Re: persistent under-replicated blocks - HDFS - [mail # dev]
...Hm, I had hoped this would have been fixed in hdfs 2.  I have a script that I run several times per day that identifies under replicated blocks and increases the replication factor by 1...
   Author: Chris Embree, 2014-01-09, 05:05
Re: Hadoop vs Ceph and GlusterFS - HDFS - [mail # user]
...Ceph and glusterfs are NOT centralized files systems.  Glusterfs can be used with Hadoop map reduce, but it requires a special plug in, and hdfs 2 can be ha, so it's probably not worth ...
   Author: Chris Embree, 2014-01-01, 01:30
Re: Measuring bandwidth in 2.1.x - HDFS - [mail # dev]
...vnstat should be able to do this.  It has a "live" mode or can generate  hourly reports much like sar.  Google for vnstat to find it.  On 9/13/13, hilfi alkaff  wrot...
   Author: Chris Embree, 2013-09-13, 17:26
Re: How to speed up Hadoop? - HDFS - [mail # user]
...I think you just went backwards.   more replicas (generally speaking) are better.  I'd take 60 cheap, 1 U servers over 20 "highly fault tolerant" ones for almost every problem. &nb...
   Author: Chris Embree, 2013-09-06, 00:51
Re: Suspecting Namenode Filesystem Corrupt!! - HDFS - [mail # user]
...My foundation is more Linux than Hadoop, so I'll support Harsh (like he needs it) in asking, "What's the problem?"  If you can't df -h this is probably a "lower than Hadoop" issue, and ...
   Author: Chris Embree, 2013-07-30, 03:27
Re: Why Hadoop force using DNS? - HDFS - [mail # user]
...Just for clarity,  DNS as a service is NOT Required.  Name resolution is.  I use /etc/hosts files to identify all nodes in my clusters.  One of the reasons for using Name...
   Author: Chris Embree, 2013-07-29, 14:45
Re: Can I move block data directly? - HDFS - [mail # dev]
...I know nothing.  It seems that circumventing normal operations could be very bad.  There was an example of something similar at hadoop summit.  Some very experienced contribut...
   Author: Chris Embree, 2013-07-09, 01:30
Re: Reg:HDFS Decommission Design Document. - HDFS - [mail # user]
...Ha -- I just decommissioned some nodes today.  Add the nodes you'd like to decom. to the excludes file (search for it's name in hdfs-site.xml), usually dfs.exclude.  Login to your ...
   Author: Chris Embree, 2013-06-13, 23:46
Re: recovery accidently deleted pig script - HDFS - [mail # user]
...This is not a Hadoop question (IMHO).  2 words:  Version Control  Did the advent of Hadoop somehow circumvent all IT convention?  Sorry folks, it's been a rough day. &nbs...
   Author: Chris Embree, 2013-06-13, 02:35
Re: is time sync required among all nodes? - HDFS - [mail # user]
...Yes, NTPD is your best option.  On 6/4/13, Ben Kim  wrote:...
   Author: Chris Embree, 2013-06-05, 03:11
MapReduce (28)
HDFS (18)
Hadoop (8)
mail # user (12)
mail # dev (5)
issue (1)
last 7 days (0)
last 30 days (0)
last 90 days (0)
last 6 months (0)
last 9 months (18)
Todd Lipcon (326)
Eli Collins (263)
Harsh J (261)
Colin Patrick McCabe (240)
Tsz Wo (203)
Jing Zhao (174)
Chris Nauroth (166)
Arpit Agarwal (152)
Andrew Wang (143)
Aaron T. Myers (141)
Haohui Mai (138)
Suresh Srinivas (138)
Brandon Li (137)
Kihwal Lee (114)
Daryn Sharp (105)
Ted Yu (83)
Uma Maheswara Rao G (82)
Alejandro Abdelnur (73)
Tsz Wo Nicholas Sze (64)
Konstantin Shvachko (63)
Akira AJISAKA (61)
Stephen Chu (58)
Yongjun Zhang (57)
Steve Loughran (52)
Allen Wittenauer (48)
Chris Embree