Hi, I'm looking into logs from railed mr tasks and I found as follows:
2016-02-26 10:34:12,663 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=13, retries=35, started=213888 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164402 2016-02-26 10:34:39,433 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=14, retries=35, started=240658 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164414 2016-02-26 10:35:06,914 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=15, retries=35, started=268139 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164427 2016-02-26 10:35:44,354 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=16, retries=35, started=305579 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164461 2016-02-26 10:36:10,970 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=17, retries=35, started=332195 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164471 2016-02-26 10:36:37,937 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=18, retries=35, started=359162 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164486 2016-02-26 10:36:58,126 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=19, retries=35, started=379351 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164538 2016-02-26 10:37:22,034 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=20, retries=35, started=403259 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164546 2016-02-26 10:37:53,904 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=21, retries=35, started=435129 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164561 2016-02-26 10:38:41,916 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=22, retries=35, started=483141 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164656 2016-02-26 10:39:09,105 INFO [hconnection-0x1efb7582-shared--pool2-t4] org.apache.hadoop.hbase.client.RpcRetryingCaller: Call exception, tries=23, retries=35, started=510330 ms ago, cancelled=false, msg=row '' on table 'SYSTEM.CATALOG' at region=SYSTEM.CATALOG,,1453257315715.d5e9564b98cf035163a8e4270333e6cf., hostname=fcbigstg05,16020,1456038654966, seqNum=164664 I'm not sure it helps to find a root cause. Thanks, Youngwoo On Thu, Feb 25, 2016 at 2:11 AM, James Taylor <[email protected]> wrote: > Anyone else seeing performance issues for bulk loading? Sergey? Enis? > Rajeshbabu? > > FYI, we plan to roll a new RC today. > > Thanks, > James > > On Tue, Feb 23, 2016 at 10:18 PM, 김영우 (Youngwoo Kim) <[email protected]> > wrote: > > > Gabriel, > > > > I'm using RC2. > > > > Youngwoo > > > > 2016년 2월 24일 수요일, Gabriel Reid<[email protected]>님이 작성한 메시지: > > > > > Hi Youngwoo, > > > > > > Which RC are you using for this? RC-1 or RC-2? > > > > > > Thanks, > > > > > > Gabriel > > > > > > On Tue, Feb 23, 2016 at 11:30 AM, 김영우 (YoungWoo Kim) <[email protected] > > > <javascript:;>> wrote: > > > > Hi, > > > > > > > > I'm evaluating 4.7.0 RC on my dev cluster. Looks like it works fine > > but I > > > > run into performance degradation for MR based bulk loading. I've been > > > > loading a million of rows per day into Phoenix table. From 4.7.0 RC, > > > there > > > > are failed jobs with '600 sec' time out in map or reduce stage. logs > as > > > > follows: > > > > > > > > 16/02/22 18:03:45 INFO mapreduce.Job: Task Id : > > > > attempt_1456035298774_0066_m_000002_0, Status : FAILED > > > > AttemptID:attempt_1456035298774_0066_m_000002_0 Timed out after 600 > > secs > > > > > > > > 16/02/22 18:05:14 INFO mapreduce.LoadIncrementalHFiles: HFile at > > > > > > > > > > hdfs://fcbig/tmp/74da7ab1-a8ac-4ba8-9d43-0b70f08f8602/HYNIX.BIG_TRACE_SUMMARY/0/_tmp/_tmp/f305427aa8304cf98355bf01c1edb5ce.top > > > > no longer fits inside a single region. Splitting... > > > > > > > > But, the logs have not seen before. so I'm facing about 5 ~ 10x > > > performance > > > > degradation for bulk loading. (4.6.0: 10min but 60+ min from 4.7.0 > RC) > > > > furthermore, I can't find a clue from MR logs why the tasks filed. > > > > > > > > And, I can see the hfile splitting after reduce stage. Is it normal? > > > > > > > > My envs are: > > > > - Hadoop 2.7.1 > > > > - HBase 1.1.3 > > > > - Phoenix 4.7.0 RC > > > > > > > > Thanks, > > > > > > > > Youngwoo > > > > > >
