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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11201) Enable global procedure members to return values to procedure master
Date Thu, 29 May 2014 17:05:02 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14012541#comment-14012541

stack commented on HBASE-11201:

I see fails of trunk builds since this went in it seems.  I tried it locally and it passes
but it fails consistently on build box with:

Caused by: java.lang.NoSuchMethodError: org.apache.hadoop.hbase.procedure.Procedure.waitForCompleted()V
	at org.apache.hadoop.hbase.procedure.SimpleMasterProcedureManager.execProcedure(SimpleMasterProcedureManager.java:102)
	at org.apache.hadoop.hbase.master.MasterRpcServices.execProcedure(MasterRpcServices.java:637)
	at org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:41511)
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2005)
	... 5 more

> Enable global procedure members to return values to procedure master
> --------------------------------------------------------------------
>                 Key: HBASE-11201
>                 URL: https://issues.apache.org/jira/browse/HBASE-11201
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Jerry He
>            Assignee: Jerry He
>             Fix For: 0.99.0
>         Attachments: HBASE-11201-trunk-v1.patch, HBASE-11201-trunk-v2.patch, HBASE-11201-trunk-v3.patch
> Currently in the global procedure framework, the procedure coordinator can send data
(procedure argument) to the members when starting procedure.
> But we don't support getting data returned from the procedure members back to the master.
> Similar to RPC and normal procedure/function calls, in many cases, this is a useful capability.
> The infrastructure is in place. We just need to plug in the holes and make it happen.

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