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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11201) Enable global procedure members to return values to procedure master
Date Mon, 19 May 2014 19:26:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14002208#comment-14002208
] 

Ted Yu commented on HBASE-11201:
--------------------------------

{code}
-  public void barrierReleasedByMember(String member) {
+  public void barrierReleasedByMember(String member, byte[] dataFromMember) {
{code}
Should barrierReleasedByMember(String member) be kept which passes null to the new method
?
{code}
+    } catch (InterruptedException e) {
+      throw new IOException("Interrupted while creating reached node:" + reachedNode, e);
{code}
Use InterruptedIOException for the throw statement.

> 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
>
>
> 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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