[
https://issues.apache.org/jira/browse/HBASE-6721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15042319#comment-15042319
]
Ted Yu commented on HBASE-6721:
-------------------------------
Running TestShell with latest patch, I got:
{code}
1) Error:
test_Test_Basic_Group_Commands(Hbase::GroupShellTest):
NativeException: org.apache.hadoop.hbase.exceptions.UnknownProtocolException:
org.apache.hadoop.hbase.exceptions.UnknownProtocolException: No registered
master coprocessor service found for name hbase.pb.GroupAdminService
at
org.apache.hadoop.hbase.master.MasterRpcServices.execMasterService(MasterRpcServices.java:682)
at
org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:57964)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2184)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:109)
at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133)
at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:108)
...
2) Failure:
test_Test_bogus_arguments(Hbase::GroupShellTest)
[./src/test/ruby/shell/group_shell_test.rb:85:in `test_Test_bogus_arguments'
org/jruby/RubyProc.java:270:in `call'
org/jruby/RubyKernel.java:2105:in `send'
org/jruby/RubyArray.java:1620:in `each'
org/jruby/RubyArray.java:1620:in `each']:
<ArgumentError> exception expected but was
Class: <NativeException>
Message: <"org.apache.hadoop.hbase.exceptions.UnknownProtocolException:
org.apache.hadoop.hbase.exceptions.UnknownProtocolException: No registered
master coprocessor service found for name hbase.pb.GroupAdminService\n\tat
org.apache.hadoop.hbase.master.MasterRpcServices.execMasterService(MasterRpcServices.java:682)\n\tat
org.apache.hadoop.hbase.
protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:57964)\n\tat
org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2184)\n\tat org.
apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:109)\n\tat
org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133)\n\tat
org.apache.hadoop.hbase.ipc. RpcExecutor$1.run(RpcExecutor.java:108)\n\tat
java.lang.Thread.run(Thread.java:745)\n">
{code}
Francis:
Do the tests pass for you ?
> RegionServer Group based Assignment
> -----------------------------------
>
> Key: HBASE-6721
> URL: https://issues.apache.org/jira/browse/HBASE-6721
> Project: HBase
> Issue Type: New Feature
> Reporter: Francis Liu
> Assignee: Francis Liu
> Labels: hbase-6721
> Attachments: 6721-master-webUI.patch, HBASE-6721
> GroupBasedLoadBalancer Sequence Diagram.xml, HBASE-6721-DesigDoc.pdf,
> HBASE-6721-DesigDoc.pdf, HBASE-6721-DesigDoc.pdf, HBASE-6721-DesigDoc.pdf,
> HBASE-6721_0.98_2.patch, HBASE-6721_10.patch, HBASE-6721_11.patch,
> HBASE-6721_12.patch, HBASE-6721_13.patch, HBASE-6721_14.patch,
> HBASE-6721_15.patch, HBASE-6721_8.patch, HBASE-6721_9.patch,
> HBASE-6721_9.patch, HBASE-6721_94.patch, HBASE-6721_94.patch,
> HBASE-6721_94_2.patch, HBASE-6721_94_3.patch, HBASE-6721_94_3.patch,
> HBASE-6721_94_4.patch, HBASE-6721_94_5.patch, HBASE-6721_94_6.patch,
> HBASE-6721_94_7.patch, HBASE-6721_98_1.patch, HBASE-6721_98_2.patch,
> HBASE-6721_hbase-6721_addendum.patch, HBASE-6721_trunk.patch,
> HBASE-6721_trunk.patch, HBASE-6721_trunk.patch, HBASE-6721_trunk1.patch,
> HBASE-6721_trunk2.patch, balanceCluster Sequence Diagram.svg,
> hbase-6721-v15-branch-1.1.patch, hbase-6721-v16.patch, hbase-6721-v17.patch,
> hbase-6721-v18.patch, immediateAssignments Sequence Diagram.svg,
> randomAssignment Sequence Diagram.svg, retainAssignment Sequence Diagram.svg,
> roundRobinAssignment Sequence Diagram.svg
>
>
> In multi-tenant deployments of HBase, it is likely that a RegionServer will
> be serving out regions from a number of different tables owned by various
> client applications. Being able to group a subset of running RegionServers
> and assign specific tables to it, provides a client application a level of
> isolation and resource allocation.
> The proposal essentially is to have an AssignmentManager which is aware of
> RegionServer groups and assigns tables to region servers based on groupings.
> Load balancing will occur on a per group basis as well.
> This is essentially a simplification of the approach taken in HBASE-4120. See
> attached document.
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