Under the Hood: Hadoop Distributed Filesystem reliability with Namenode and Avatarnode
TheHadoopDistributedFilesystem(HDFS)formsthebasisofmanylarge-scalestoragesystemsatFacebookandthroughouttheworld.OurHadoopclustersincludethelargestsingleHDFSclusterthatweknowof,withmorethan100PBphysica