Hbase - hadoop handling DNS blips

2014-08-27 Thread Arun Mishra
Hello, This is the first time I am sending a query on hbase mailing list. Hopefully this is the correct group to ask hbase/hadoop related questions. I am running hbase 0.92, hadoop 2.0 (cdh 4.1.3). Recently, there were some instability in my dns service and host lookups request failed

Re: Hbase - hadoop handling DNS blips

2014-08-27 Thread Bharath Vissapragada
Hi Arun, My 2cents. I've seen this sometime in the past and after doing some research, the issue seems to be related to https://issues.apache.org/jira/browse/HADOOP-6356 . HLog (SequenceFile) internally uses FileContext( unlike other HBase components which use FileSystem), which doesn't cache