> When number of attempts is greater than the value of > hbase.client.start.log.errors.counter (default 9), AsyncProcess would > produce logs cited below. > The interval following 'retrying after ' is the backoff time. > > Which release of HBase are you using ? >
HBase Version 0.98.0.2.1.1.0-385-hadoop2 The MR job is reading from an HBase snapshot, if that’s relevant. > Cheers > > > On Sun, Sep 7, 2014 at 8:50 AM, Brian Jeltema < > brian.jelt...@digitalenvoy.net> wrote: > >> I have a map/reduce job that is consistently failing with timeouts. The >> failing mapper log files contain a series >> of records similar to those below. When I look at the hbase and hdfs logs >> (on foo.net in this case) I don’t see >> anything obvious at these timestamps. The mapper task times out at/near >> attempt=25/35. Can anyone shed light >> on what these log entries mean? >> >> Thanks - Brian >> >> >> 2014-09-07 09:36:51,421 INFO [htable-pool1-t1] >> org.apache.hadoop.hbase.client.AsyncProcess: #3, table=Host, primary, >> attempt=10/35 failed 1062 ops, last exception: null on >> foo.net,60020,1406043467187, >> tracking started null, retrying after 10029 ms, replay 1062 ops >> 2014-09-07 09:37:01,642 INFO [htable-pool1-t1] >> org.apache.hadoop.hbase.client.AsyncProcess: #3, table=Host, primary, >> attempt=11/35 failed 1062 ops, last exception: null on >> foo.net,60020,1406043467187, >> tracking started null, retrying after 10023 ms, replay 1062 ops >> 2014-09-07 09:37:12,064 INFO [htable-pool1-t1] >> org.apache.hadoop.hbase.client.AsyncProcess: #3, table=Host, primary, >> attempt=12/35 failed 1062 ops, last exception: null on >> foo.net,60020,1406043467187, >> tracking started null, retrying after 20182 ms, replay 1062 ops >> 2014-09-07 09:37:32,708 INFO [htable-pool1-t1] >> org.apache.hadoop.hbase.client.AsyncProcess: #3, table=Host, primary, >> attempt=13/35 failed 1062 ops, last exception: null on >> foo.net,60020,1406043467187, >> tracking started null, retrying after 20140 ms, replay 1062 ops >> 2014-09-07 09:37:52,940 INFO [htable-pool1-t1] >> org.apache.hadoop.hbase.client.AsyncProcess: #3, table=Host, primary, >> attempt=14/35 failed 1062 ops, last exception: null on >> foo.net,60020,1406043467187, >> tracking started null, retrying after 20041 ms, replay 1062 ops >> 2014-09-07 09:38:13,324 INFO [htable-pool1-t1] >> org.apache.hadoop.hbase.client.AsyncProcess: #3, table=Host, primary, >> attempt=15/35 failed 1062 ops, last exception: null on >> foo.net,60020,1406043467187, >> tracking started null, retrying after 20041 ms, replay 1062 ops >> >>
