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Posted to issues@hbase.apache.org by "Jean-Daniel Cryans (JIRA)" <ji...@apache.org> on 2010/11/25 00:55:13 UTC
[jira] Created: (HBASE-3278) AssertionError in LoadBalancer
AssertionError in LoadBalancer
------------------------------
Key: HBASE-3278
URL: https://issues.apache.org/jira/browse/HBASE-3278
Project: HBase
Issue Type: Bug
Reporter: Jean-Daniel Cryans
Fix For: 0.90.0
While running PE with low splitting configuration, I got this:
{noformat}
2010-11-24 23:23:24,508 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0002485653,...
2010-11-24 23:23:26,129 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0004309306,...
2010-11-24 23:23:26,132 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0001281491...
2010-11-24 23:23:26,162 FATAL org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChoreerror
java.lang.AssertionError
at org.apache.hadoop.hbase.master.LoadBalancer.balanceCluster(LoadBalancer.java:296)
at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:679)
at org.apache.hadoop.hbase.master.HMaster$1.chore(HMaster.java:578)
at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
2010-11-24 23:23:26,163 INFO org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChore exiting
2010-11-24 23:23:26,236 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0000921369,...
{noformat}
The thread dies but the master survives. There's nothing specific before that in the log, just regions splitting.
The line in LoadBalancer is:
{code}
assert(regionidx == regionsToMove.size());
{code}
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[jira] Updated: (HBASE-3278) AssertionError in LoadBalancer
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-3278:
-------------------------
Resolution: Fixed
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
Committed trunk and branch.
> AssertionError in LoadBalancer
> ------------------------------
>
> Key: HBASE-3278
> URL: https://issues.apache.org/jira/browse/HBASE-3278
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Jonathan Gray
> Fix For: 0.90.0, 0.92.0
>
> Attachments: HBASE-3278-v1.patch, lb.txt
>
>
> While running PE with low splitting configuration, I got this:
> {noformat}
> 2010-11-24 23:23:24,508 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0002485653,...
> 2010-11-24 23:23:26,129 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0004309306,...
> 2010-11-24 23:23:26,132 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0001281491...
> 2010-11-24 23:23:26,162 FATAL org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChoreerror
> java.lang.AssertionError
> at org.apache.hadoop.hbase.master.LoadBalancer.balanceCluster(LoadBalancer.java:296)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:679)
> at org.apache.hadoop.hbase.master.HMaster$1.chore(HMaster.java:578)
> at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
> 2010-11-24 23:23:26,163 INFO org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChore exiting
> 2010-11-24 23:23:26,236 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0000921369,...
> {noformat}
> The thread dies but the master survives. There's nothing specific before that in the log, just regions splitting.
> The line in LoadBalancer is:
> {code}
> assert(regionidx == regionsToMove.size());
> {code}
--
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[jira] Commented: (HBASE-3278) AssertionError in LoadBalancer
Posted by "Jonathan Gray (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12964925#action_12964925 ]
Jonathan Gray commented on HBASE-3278:
--------------------------------------
+1. You have some HBASE-3243 left in the patch but both good for commit :)
I looked at this and couldn't figure how it happened. Good on you for debug, stack.
> AssertionError in LoadBalancer
> ------------------------------
>
> Key: HBASE-3278
> URL: https://issues.apache.org/jira/browse/HBASE-3278
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Fix For: 0.90.0
>
> Attachments: lb.txt
>
>
> While running PE with low splitting configuration, I got this:
> {noformat}
> 2010-11-24 23:23:24,508 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0002485653,...
> 2010-11-24 23:23:26,129 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0004309306,...
> 2010-11-24 23:23:26,132 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0001281491...
> 2010-11-24 23:23:26,162 FATAL org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChoreerror
> java.lang.AssertionError
> at org.apache.hadoop.hbase.master.LoadBalancer.balanceCluster(LoadBalancer.java:296)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:679)
> at org.apache.hadoop.hbase.master.HMaster$1.chore(HMaster.java:578)
> at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
> 2010-11-24 23:23:26,163 INFO org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChore exiting
> 2010-11-24 23:23:26,236 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0000921369,...
> {noformat}
> The thread dies but the master survives. There's nothing specific before that in the log, just regions splitting.
> The line in LoadBalancer is:
> {code}
> assert(regionidx == regionsToMove.size());
> {code}
--
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[jira] Updated: (HBASE-3278) AssertionError in LoadBalancer
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-3278:
-------------------------
Attachment: lb.txt
This patch adds logging to the load balancer assertion so we can get a clue as to how the scenario arose. I'm committing it.
> AssertionError in LoadBalancer
> ------------------------------
>
> Key: HBASE-3278
> URL: https://issues.apache.org/jira/browse/HBASE-3278
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Fix For: 0.90.0
>
> Attachments: lb.txt
>
>
> While running PE with low splitting configuration, I got this:
> {noformat}
> 2010-11-24 23:23:24,508 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0002485653,...
> 2010-11-24 23:23:26,129 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0004309306,...
> 2010-11-24 23:23:26,132 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0001281491...
> 2010-11-24 23:23:26,162 FATAL org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChoreerror
> java.lang.AssertionError
> at org.apache.hadoop.hbase.master.LoadBalancer.balanceCluster(LoadBalancer.java:296)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:679)
> at org.apache.hadoop.hbase.master.HMaster$1.chore(HMaster.java:578)
> at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
> 2010-11-24 23:23:26,163 INFO org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChore exiting
> 2010-11-24 23:23:26,236 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0000921369,...
> {noformat}
> The thread dies but the master survives. There's nothing specific before that in the log, just regions splitting.
> The line in LoadBalancer is:
> {code}
> assert(regionidx == regionsToMove.size());
> {code}
--
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[jira] Updated: (HBASE-3278) AssertionError in LoadBalancer
Posted by "Jonathan Gray (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Gray updated HBASE-3278:
---------------------------------
Attachment: HBASE-3278-v1.patch
Fixes bug in load balancer and adds test from stack that uncovered bug.
> AssertionError in LoadBalancer
> ------------------------------
>
> Key: HBASE-3278
> URL: https://issues.apache.org/jira/browse/HBASE-3278
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Jonathan Gray
> Fix For: 0.90.0, 0.92.0
>
> Attachments: HBASE-3278-v1.patch, lb.txt
>
>
> While running PE with low splitting configuration, I got this:
> {noformat}
> 2010-11-24 23:23:24,508 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0002485653,...
> 2010-11-24 23:23:26,129 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0004309306,...
> 2010-11-24 23:23:26,132 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0001281491...
> 2010-11-24 23:23:26,162 FATAL org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChoreerror
> java.lang.AssertionError
> at org.apache.hadoop.hbase.master.LoadBalancer.balanceCluster(LoadBalancer.java:296)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:679)
> at org.apache.hadoop.hbase.master.HMaster$1.chore(HMaster.java:578)
> at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
> 2010-11-24 23:23:26,163 INFO org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChore exiting
> 2010-11-24 23:23:26,236 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0000921369,...
> {noformat}
> The thread dies but the master survives. There's nothing specific before that in the log, just regions splitting.
> The line in LoadBalancer is:
> {code}
> assert(regionidx == regionsToMove.size());
> {code}
--
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[jira] Assigned: (HBASE-3278) AssertionError in LoadBalancer
Posted by "Jonathan Gray (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Gray reassigned HBASE-3278:
------------------------------------
Assignee: Jonathan Gray
> AssertionError in LoadBalancer
> ------------------------------
>
> Key: HBASE-3278
> URL: https://issues.apache.org/jira/browse/HBASE-3278
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Jonathan Gray
> Fix For: 0.90.0, 0.92.0
>
> Attachments: HBASE-3278-v1.patch, lb.txt
>
>
> While running PE with low splitting configuration, I got this:
> {noformat}
> 2010-11-24 23:23:24,508 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0002485653,...
> 2010-11-24 23:23:26,129 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0004309306,...
> 2010-11-24 23:23:26,132 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0001281491...
> 2010-11-24 23:23:26,162 FATAL org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChoreerror
> java.lang.AssertionError
> at org.apache.hadoop.hbase.master.LoadBalancer.balanceCluster(LoadBalancer.java:296)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:679)
> at org.apache.hadoop.hbase.master.HMaster$1.chore(HMaster.java:578)
> at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
> 2010-11-24 23:23:26,163 INFO org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChore exiting
> 2010-11-24 23:23:26,236 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0000921369,...
> {noformat}
> The thread dies but the master survives. There's nothing specific before that in the log, just regions splitting.
> The line in LoadBalancer is:
> {code}
> assert(regionidx == regionsToMove.size());
> {code}
--
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[jira] Commented: (HBASE-3278) AssertionError in LoadBalancer
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12968568#action_12968568 ]
stack commented on HBASE-3278:
------------------------------
+1 because of the added test
> AssertionError in LoadBalancer
> ------------------------------
>
> Key: HBASE-3278
> URL: https://issues.apache.org/jira/browse/HBASE-3278
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Jonathan Gray
> Fix For: 0.90.0, 0.92.0
>
> Attachments: HBASE-3278-v1.patch, lb.txt
>
>
> While running PE with low splitting configuration, I got this:
> {noformat}
> 2010-11-24 23:23:24,508 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0002485653,...
> 2010-11-24 23:23:26,129 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0004309306,...
> 2010-11-24 23:23:26,132 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0001281491...
> 2010-11-24 23:23:26,162 FATAL org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChoreerror
> java.lang.AssertionError
> at org.apache.hadoop.hbase.master.LoadBalancer.balanceCluster(LoadBalancer.java:296)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:679)
> at org.apache.hadoop.hbase.master.HMaster$1.chore(HMaster.java:578)
> at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
> 2010-11-24 23:23:26,163 INFO org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChore exiting
> 2010-11-24 23:23:26,236 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0000921369,...
> {noformat}
> The thread dies but the master survives. There's nothing specific before that in the log, just regions splitting.
> The line in LoadBalancer is:
> {code}
> assert(regionidx == regionsToMove.size());
> {code}
--
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[jira] Updated: (HBASE-3278) AssertionError in LoadBalancer
Posted by "stack (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack updated HBASE-3278:
-------------------------
Fix Version/s: (was: 0.90.0)
0.90.1
Moving out to 0.90.1 till we get more data
> AssertionError in LoadBalancer
> ------------------------------
>
> Key: HBASE-3278
> URL: https://issues.apache.org/jira/browse/HBASE-3278
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Fix For: 0.90.1
>
> Attachments: lb.txt
>
>
> While running PE with low splitting configuration, I got this:
> {noformat}
> 2010-11-24 23:23:24,508 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0002485653,...
> 2010-11-24 23:23:26,129 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0004309306,...
> 2010-11-24 23:23:26,132 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0001281491...
> 2010-11-24 23:23:26,162 FATAL org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChoreerror
> java.lang.AssertionError
> at org.apache.hadoop.hbase.master.LoadBalancer.balanceCluster(LoadBalancer.java:296)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:679)
> at org.apache.hadoop.hbase.master.HMaster$1.chore(HMaster.java:578)
> at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
> 2010-11-24 23:23:26,163 INFO org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChore exiting
> 2010-11-24 23:23:26,236 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0000921369,...
> {noformat}
> The thread dies but the master survives. There's nothing specific before that in the log, just regions splitting.
> The line in LoadBalancer is:
> {code}
> assert(regionidx == regionsToMove.size());
> {code}
--
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[jira] Commented: (HBASE-3278) AssertionError in LoadBalancer
Posted by "Jonathan Gray (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12965027#action_12965027 ]
Jonathan Gray commented on HBASE-3278:
--------------------------------------
Seems like HBASE-3284 could cause this. Need to look more at the locking the balancer does. At first I thought it wasn't locking enough but now it seems like it locks where it needs to.
> AssertionError in LoadBalancer
> ------------------------------
>
> Key: HBASE-3278
> URL: https://issues.apache.org/jira/browse/HBASE-3278
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Fix For: 0.90.1
>
> Attachments: lb.txt
>
>
> While running PE with low splitting configuration, I got this:
> {noformat}
> 2010-11-24 23:23:24,508 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0002485653,...
> 2010-11-24 23:23:26,129 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0004309306,...
> 2010-11-24 23:23:26,132 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0001281491...
> 2010-11-24 23:23:26,162 FATAL org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChoreerror
> java.lang.AssertionError
> at org.apache.hadoop.hbase.master.LoadBalancer.balanceCluster(LoadBalancer.java:296)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:679)
> at org.apache.hadoop.hbase.master.HMaster$1.chore(HMaster.java:578)
> at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
> 2010-11-24 23:23:26,163 INFO org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChore exiting
> 2010-11-24 23:23:26,236 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0000921369,...
> {noformat}
> The thread dies but the master survives. There's nothing specific before that in the log, just regions splitting.
> The line in LoadBalancer is:
> {code}
> assert(regionidx == regionsToMove.size());
> {code}
--
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[jira] Updated: (HBASE-3278) AssertionError in LoadBalancer
Posted by "Jonathan Gray (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-3278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Gray updated HBASE-3278:
---------------------------------
Fix Version/s: (was: 0.90.1)
0.92.0
0.90.0
Status: Patch Available (was: Open)
> AssertionError in LoadBalancer
> ------------------------------
>
> Key: HBASE-3278
> URL: https://issues.apache.org/jira/browse/HBASE-3278
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Daniel Cryans
> Assignee: Jonathan Gray
> Fix For: 0.90.0, 0.92.0
>
> Attachments: HBASE-3278-v1.patch, lb.txt
>
>
> While running PE with low splitting configuration, I got this:
> {noformat}
> 2010-11-24 23:23:24,508 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0002485653,...
> 2010-11-24 23:23:26,129 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0004309306,...
> 2010-11-24 23:23:26,132 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0001281491...
> 2010-11-24 23:23:26,162 FATAL org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChoreerror
> java.lang.AssertionError
> at org.apache.hadoop.hbase.master.LoadBalancer.balanceCluster(LoadBalancer.java:296)
> at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:679)
> at org.apache.hadoop.hbase.master.HMaster$1.chore(HMaster.java:578)
> at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
> 2010-11-24 23:23:26,163 INFO org.apache.hadoop.hbase.master.HMaster$1: sv2borg180:61000-BalancerChore exiting
> 2010-11-24 23:23:26,236 INFO org.apache.hadoop.hbase.master.ServerManager: Received REGION_SPLIT: TestTable,0000921369,...
> {noformat}
> The thread dies but the master survives. There's nothing specific before that in the log, just regions splitting.
> The line in LoadBalancer is:
> {code}
> assert(regionidx == regionsToMove.size());
> {code}
--
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