Is this standalone? Are you using default /tmp location for your data? Please thread dump your hung server the next time. Save a jstack of the process or send a kill -QUIT PID and send us the .out file.
What JVM? Thanks, St.Ack On Fri, Oct 7, 2011 at 11:58 AM, Joshua Napoli <[email protected]> wrote: > I'm using HBase 0.90.4 and encountered a problem where: > > 1. HBase became unable to processes requests. REST client requests > time-out and HBase commands from HBase shell would hang. > 2. After restarting the cluster, almost all of my tables were missing > (but the HDFS files remain). > > > While the cluster was hung, the REST logs were repeating (for the same > tables over and over): > "2011-10-05 10:09:54,801 DEBUG org.apache.hadoop.hbase.client.HBaseAdmin: > Sleeping= 32000ms, waiting for all regions to be disabled in ...". > > The messages list tables that were meant for deletion. However, many other > tables (not listed for disable/delete in the logs) were lost. > > What could cause the loss of table information? What is the proper sequence > for restarting a cluster that is no longer able to process HBase requests? > > > Thanks, > Josh >
