Philip Zeyliger has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/8822 )

Change subject: IMPALA-6070: Parallelize another bit of data load.
......................................................................


Patch Set 1:

https://jenkins.impala.io/view/Utility/job/pre-review-test/87/ passed just fine.

The logs from 
https://jenkins.impala.io/job/ubuntu-16.04-from-scratch/798/consoleFull look 
fine to me.

00:53:42   Creating many block table OK (Took: 0 min 23 sec)
00:53:42 Started Loading Kudu functional in background; pid 19994.
00:53:42 Loading Kudu functional (logging to 
/home/ubuntu/Impala/logs/data_loading/load-kudu.log)...
00:53:42 Started Loading Kudu TPCH in background; pid 19995.
00:53:42 Loading Kudu TPCH (logging to 
/home/ubuntu/Impala/logs/data_loading/load-kudu-tpch.log)...
00:53:42 Started Loading Hive UDFs in background; pid 19996.
00:53:42 Loading Hive UDFs (logging to 
/home/ubuntu/Impala/logs/data_loading/build-and-copy-hive-udfs.log)...
00:54:24   Loading Hive UDFs OK (Took: 0 min 42 sec)
00:56:56   Loading workload 'functional-query' using exploration strategy 
'core' in table formats 'kudu/none/none' OK (Took: 3 min 14 sec)
00:57:38   Loading workload 'tpch' using exploration strategy 'core' in table 
formats 'kudu/none/none' OK (Took: 3 min 56 sec)
00:57:38 Running custom post-load steps (logging to 
/home/ubuntu/Impala/logs/data_loading/custom-post-load-steps.log)...


Comparing to some arbitrary other run of this job 
(https://jenkins.impala.io/job/ubuntu-16.04-from-scratch/796/consoleFull; see 
below) this seems to save 4 minutes. The overall run time change here is still 
within the run-to-run noise, but I think this will move the baseline down 3-4 
minutes.

19:26:09 Loading Kudu functional (logging to 
/home/ubuntu/Impala/logs/data_loading/load-kudu.log)...
19:29:38   Loading workload 'functional-query' using exploration strategy 
'core' in table formats 'kudu/none/none' OK (Took: 3 min 29 sec)
19:29:38 Loading Kudu TPCH (logging to 
/home/ubuntu/Impala/logs/data_loading/load-kudu-tpch.log)...
19:33:38   Loading workload 'tpch' using exploration strategy 'core' in table 
formats 'kudu/none/none' OK (Took: 4 min 0 sec)
19:33:38 Loading Hive UDFs (logging to 
/home/ubuntu/Impala/logs/data_loading/build-and-copy-hive-udfs.log)...
19:34:19   Loading Hive UDFs OK (Took: 0 min 41 sec)
19:34:19 Running custom post-load steps (logging to 
/home/ubuntu/Impala/logs/data_loading/custom-post-load-steps.log)...


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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I7e93ee5a77ec9271b980b88bef7ad512ecbe0407
Gerrit-Change-Number: 8822
Gerrit-PatchSet: 1
Gerrit-Owner: Philip Zeyliger <phi...@cloudera.com>
Gerrit-Reviewer: Philip Zeyliger <phi...@cloudera.com>
Gerrit-Comment-Date: Wed, 13 Dec 2017 22:31:32 +0000
Gerrit-HasComments: No

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