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https://issues.apache.org/jira/browse/HBASE-8803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13711462#comment-13711462
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Nick Dimiduk commented on HBASE-8803:
-------------------------------------
I'm running patch v3 on my 9-RS cluster. I've launched with {{--maxthreads 30}}
but I don't see the large patches in my client log that you describe.
{noformat}
13/07/17 18:47:31 INFO region_mover: Moving region
00bbc3cd355651554df48d3948119bab (43 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:47:35 INFO region_mover: Moving region
f3a8c38a7dacb48917f848f37e8e670d (44 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:47:38 INFO region_mover: Moving region
ff4defad3aef5417971339ab37214daf (45 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:47:42 INFO region_mover: Moving region
9253edb099d550f2786eecf5c39709f3 (46 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:47:45 INFO region_mover: Moving region
09fc40629d08626ff3d36ed15dbe1705 (47 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:47:48 INFO region_mover: Moving region
432473d414f126231224dc6429234f25 (48 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:47:51 INFO region_mover: Moving region
0156d9fe5e0e62222249661886872dcc (49 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:47:55 INFO region_mover: Moving region
2a5dc1637da251b877c8090aabb9dc58 (50 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:47:58 INFO region_mover: Moving region
27742b401ac21bcf8962b763b793132a (51 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:02 INFO region_mover: Moving region
ea947dfb592caaee4935a9a6a9fe3834 (52 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:05 INFO region_mover: Moving region
41e8c343619b8721f903d3d2d4916f1b (53 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:09 INFO region_mover: Moving region
3fcbe56cad80be6f9a35e3597aaadd65 (54 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:12 INFO region_mover: Moving region
65836a90ec7807e71cbca0bbf5d9c396 (55 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:15 INFO region_mover: Moving region
1e062baf480f4793f4c12599c266ebca (56 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:18 INFO region_mover: Moving region
bfcc2d5b463df8ecb685f9b4acb5afed (57 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:21 INFO region_mover: Moving region
05fa8744f0afdf2d8a06941dc93c1211 (58 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:24 INFO region_mover: Moving region
37a640842bd85a97b1d4afb4d02f2a6e (59 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:28 INFO region_mover: Moving region
f87a5965fbb1bb548ff51e45a17342b4 (60 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:32 INFO region_mover: Moving region
2f6bf66b2cff2eb4957159c79ef39665 (61 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
13/07/17 18:48:35 INFO region_mover: Moving region
069cfa828ec75a0824b9ead0af2948e8 (62 of 318) to
server=hor17n36.gq1.ygridcore.net,60020,1374086528857
{noformat}
Am I missing something?
> region_mover.rb should move multiple regions at a time
> ------------------------------------------------------
>
> Key: HBASE-8803
> URL: https://issues.apache.org/jira/browse/HBASE-8803
> Project: HBase
> Issue Type: Bug
> Components: Usability
> Affects Versions: 0.98.0, 0.94.8, 0.95.1
> Reporter: Jean-Marc Spaggiari
> Assignee: Jean-Marc Spaggiari
> Fix For: 0.98.0, 0.95.2, 0.94.11
>
> Attachments: HBASE-8803-v0-trunk.patch, HBASE-8803-v1-0.94.patch,
> HBASE-8803-v1-trunk.patch, HBASE-8803-v2-0.94.patch,
> HBASE-8803-v2-0.94.patch, HBASE-8803-v3-0.94.patch
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> When there is many regions in a cluster, rolling_restart can take hours
> because region_mover is moving the regions one by one.
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