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From "zhangduo (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-13011) TestLoadIncrementalHFiles is flakey when using using AsyncRpcClient as client implementation
Date Wed, 11 Feb 2015 04:20:12 GMT
zhangduo created HBASE-13011:
--------------------------------

             Summary: TestLoadIncrementalHFiles is flakey when using using AsyncRpcClient
as client implementation
                 Key: HBASE-13011
                 URL: https://issues.apache.org/jira/browse/HBASE-13011
             Project: HBase
          Issue Type: Bug
    Affects Versions: 2.0.0
            Reporter: zhangduo


The test sometimes failed because of timeout.
https://builds.apache.org/job/PreCommit-HBASE-Build/12769/testReport/junit/org.apache.hadoop.hbase.mapreduce/TestLoadIncrementalHFiles/testSimpleLoad/

Dig into it, I found this
{noformat}
2015-02-11 02:01:47,304 INFO  [LoadIncrementalHFiles-1] mapreduce.LoadIncrementalHFiles(563):
Trying to load hfile=hdfs://localhost:59736/user/jenkins/test-data/d964a632-8db5-4f3a-966f-89746947294b/testSimpleLoad/myfam/hfile_1
first=ddd last=ooo
2015-02-11 02:01:47,308 INFO  [LoadIncrementalHFiles-0] mapreduce.LoadIncrementalHFiles(563):
Trying to load hfile=hdfs://localhost:59736/user/jenkins/test-data/d964a632-8db5-4f3a-966f-89746947294b/testSimpleLoad/myfam/hfile_0
first=aaaa last=cccc
2015-02-11 02:01:47,317 DEBUG [LoadIncrementalHFiles-2] mapreduce.LoadIncrementalHFiles$3(664):
Going to connect to server region=bulkNS:mytable_testSimpleLoad,,1423620104753.fdcbd21e43683c753bae40f1d890daa6.,
hostname=asf910.gq1.ygridcore.net,41003,1423620099272, seqNum=2 for row  with hfile group
[{[B@7173d25a,hdfs://localhost:59736/user/jenkins/test-data/d964a632-8db5-4f3a-966f-89746947294b/testSimpleLoad/myfam/hfile_0}]
2015-02-11 02:01:47,320 DEBUG [LoadIncrementalHFiles-3] mapreduce.LoadIncrementalHFiles$3(664):
Going to connect to server region=bulkNS:mytable_testSimpleLoad,ddd,1423620104753.ec757ff718ce8ab99f4f6bcca389d67f.,
hostname=asf910.gq1.ygridcore.net,41003,1423620099272, seqNum=2 for row ddd with hfile group
[{[B@7173d25a,hdfs://localhost:59736/user/jenkins/test-data/d964a632-8db5-4f3a-966f-89746947294b/testSimpleLoad/myfam/hfile_1}]
{noformat}
There are two files to commit, but after this
{noformat}
2015-02-11 02:01:47,327 INFO  [B.defaultRpcServer.handler=3,queue=0,port=41003] regionserver.HStore(690):
Validating hfile at hdfs://localhost:59736/user/jenkins/test-data/d964a632-8db5-4f3a-966f-89746947294b/testSimpleLoad/myfam/hfile_0
for inclusion in store myfam region bulkNS:mytable_testSimpleLoad,,1423620104753.fdcbd21e43683c753bae40f1d890daa6.
2015-02-11 02:01:47,330 INFO  [B.defaultRpcServer.handler=1,queue=0,port=41003] regionserver.HStore(690):
Validating hfile at hdfs://localhost:59736/user/jenkins/test-data/d964a632-8db5-4f3a-966f-89746947294b/testSimpleLoad/myfam/hfile_1
for inclusion in store myfam region bulkNS:mytable_testSimpleLoad,ddd,1423620104753.ec757ff718ce8ab99f4f6bcca389d67f.
2015-02-11 02:01:47,330 INFO  [B.defaultRpcServer.handler=4,queue=0,port=41003] regionserver.HStore(690):
Validating hfile at hdfs://localhost:59736/user/jenkins/test-data/d964a632-8db5-4f3a-966f-89746947294b/testSimpleLoad/myfam/hfile_1
for inclusion in store myfam region bulkNS:mytable_testSimpleLoad,ddd,1423620104753.ec757ff718ce8ab99f4f6bcca389d67f.
{noformat}
We can see that hfile_1 have been committed twice and the second call will fail and cause
the test timeout.

I'm not sure if it is a issue of AsyncRpcClient. But if I use RpcClientImpl, the test always
pass.



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