Is your client running inside a container of some form and could the container be doing the interrupting? I've not come across client-side thread interrupts before. St.Ack
On Thu, Aug 18, 2011 at 7:37 AM, Srikanth P. Shreenivas <[email protected]> wrote: > Hi, > > We are experiencing an issue in our HBase Cluster wherein some of the gets > are timing outs at: > > java.io.IOException: Giving up trying to get region server: thread is > interrupted. > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getRegionServerWithRetries(HConnectionManager.java:1016) > at org.apache.hadoop.hbase.client.HTable.get(HTable.java:546) > > > When we look at the logs of master, zookeeper and region servers, there is > nothing that indicates anything abnormal. > > I tried looking up below functions, but at this point could not make much out > of it. > https://github.com/apache/hbase/blob/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java > - getRegionServerWithRetries starts at Line 1233 > https://github.com/apache/hbase/blob/trunk/src/main/java/org/apache/hadoop/hbase/client/HTable.java > Htable.get starts at Line 611. > > > If you can please suggest what are the scenarios in which all retries can get > exhausted resulting in thread interruption. > > We have seen this issue in two of our HBase Clusters, where load is quite > less. We have 20 reads per minute, we run 1 zookeeper, and 4 regionservers > in fully-distributed mode (Hadoop). We are using CDH3. > > Thanks, > Srikanth > > ________________________________ > > http://www.mindtree.com/email/disclaimer.html >
