Hello! 2009/7/31 Yi Ling <lingyi.pro@xxxxxxxxx>: > there is a section about metadata on page http://www.gluster.com/news.php > > "No metadata dependencies - metadata management is frequently a source of > performance bottlenecks, particularly when there are a very large number of > files, and can be a single point of failure in traditional file systems. > GlusterFS eliminates this problem with intelligent data placement, an > automatic data distribution method that optimizes the use of resources and > eliminates metadata bottlenecks." > > yes,it's a advantage of GlusterFS. but yet i found no more detailed > information about the "intelligent data placement" "an automatic data > distribution methed". could anyone explain it in detail? and something about > file managemment~~~ AFAIK, the GlusterFS metadata is stored as extended attributes to the files in the underlying filesystem. Hints can be found here: http://www.gluster.org/docs/index.php/Understanding_AFR_Translator#Locking_and_Change_Log http://www.gluster.org/docs/index.php/Setting_up_AFR_on_two_servers_with_pre-existing_data#Preparing_the_directories Harald Stürzebecher
