I'd like to open a vote on committing HDFS-927 to both hadoop branch 0.20 and to 0.21.
HDFS-927 "DFSInputStream retries too many times for new block location" has an odd summary but in short, its a better HDFS-127 "DFSClient block read failures cause open DFSInputStream to become unusable". HDFS-127 is an old, popular issue that refuses to die. We voted on having it committed to the 0.20 branch not too long ago, see http://www.mail-archive.com/hdfs-dev@hadoop.apache.org/msg00401.html, only it broke TestFsck (See http://su.pr/1nylUn) so it was reverted. High-level, HDFS-127/HDFS-927 is about fixing DFSClient so it a good read cleans out the failures count (Previous failures 'stuck' though there may have been hours of successful reads in betwixt). When rolling hadoop 0.20.2 was proposed, a few fellas including myself raised a lack of HDFS-127 as an obstacle. HDFS-927 has been committed to TRUNK. I'm +1 on committing to 0.20 and to 0.21 branches. Thanks for taking the time to take a look into this issue. St.Ack
