[ https://issues.apache.org/jira/browse/HDFS-21?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harsh J resolved HDFS-21. ------------------------- Resolution: Won't Fix This is a clear effect of tweaking dfs.replication.min. You want your HDFS to guarantee X replicas before file is closed, and that's what it will do. Resolving as Won't Fix. > unresponsive namenode because of not finding places to replicate > ---------------------------------------------------------------- > > Key: HDFS-21 > URL: https://issues.apache.org/jira/browse/HDFS-21 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Christian Kunz > > We have a 80 node cluster where many nodes started to fail such it went down > to 59 live nodes. Originally we had our set of applications 60 times > replicated. The cluster size went below the required replication number, and > started to become increasingly less responsive, spewing out the following > messages at a high rate: > WARN org.apache.hadoop.fs.FSNamesystem: Not able to place enough replicas, > still in need of 2 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira