You are viewing a plain text version of this content. The canonical link for it is here.

Posted to common-commits@hadoop.apache.org by Apache Wiki <wi...@apache.org> on 2011/05/05 21:16:53 UTC

[Hadoop Wiki] Trivial Update of "DFS_requirements" by PaigeLane

Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The "DFS_requirements" page has been changed by PaigeLane.
The comment on this change is: minor edit.
http://wiki.apache.org/hadoop/DFS_requirements?action=diff&rev1=12&rev2=13

--------------------------------------------------

    a. Adding concurrent file append and truncate features will require a block generation number to be stored as a part of the block file name.
   * Design a '''DFS backup scheme'''. <<BR>> ~-The backup is intended to prevent from data loss related to file system software bugs, particularly during the system upgrades.-~ <<BR>> ~-The backup might not need to store the entire data set; some applications require just a fraction of critical data so that the rest can be effectively restored.-~
  
+ Resources:
+ [[http://netvideoseo.com|Video Optimization]]
+