Hi,
I have other mapreduce tasks that are running on this cluster and using
HBase and they are working correctly. All my servers have the same
configuration.
--
Wojciech Langiewicz
On 21.01.2011 19:20, Stack wrote:
When clients are> 1, then PE tries to run a mapreduce job to host the
loading clients.
Is it possible that the client out in MR task is trying to connect to
wrong location? Perhaps the HBase conf dir is not available to the
running task? Have you seen
http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/mapreduce/package-summary.html#package_description?
Perhaps this will help?
St.Ack
On Fri, Jan 21, 2011 at 8:12 AM, Wojciech Langiewicz
<[email protected]> wrote:
Hello
I have problem with running HBase performance tests from
org.apache.hadoop.hbase.PerformanceEvaluation package. I'm using version
from CDH3,
Tests are ok when argument nclients is 1, but in case of greater number,
after mappers reaching 100% I get this exception (I didn't test all tests,
but all of tested by me failed, 'scan' and 'randomRead' fail for sure):
11/01/21 17:05:19 INFO mapred.JobClient: Task Id :
attempt_201101211442_0005_m_000000_0, Status : FAILED
org.apache.hadoop.hbase.MasterNotRunningException
at
org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getMaster(HConnectionManager.java:416)
at
org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:78)
at
org.apache.hadoop.hbase.PerformanceEvaluation$Test.testSetup(PerformanceEvaluation.java:745)
at
org.apache.hadoop.hbase.PerformanceEvaluation$Test.test(PerformanceEvaluation.java:764)
at
org.apache.hadoop.hbase.PerformanceEvaluation.runOneClient(PerformanceEvaluation.java:1097)
at
org.apache.hadoop.hbase.PerformanceEvaluation$EvaluationMapTask.map(PerformanceEvaluation.java:446)
at
org.apache.hadoop.hbase.PerformanceEvaluation$EvaluationMapTask.map(PerformanceEvaluation.java:399)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:639)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:315)
at org.apache.hadoop.mapred.Child$4.run(Child.java:217)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1063)
at org.apache.hadoop.mapred.Child.main(Child.java:211)
Do you have any ideas how to solve this?
--
Wojciech Langiewicz
