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https://issues.apache.org/jira/browse/HBASE-18367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16088196#comment-16088196
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stack commented on HBASE-18367:
-------------------------------

Making getState and isRunnable public seems small price to pay if can remove 
use of PI.

Maybe s/CompletedProcedure/CompletedProcedureRetainer/ since it not a 
Procedure... it just has one?

Should we add a method to the CompletedProcedure or whatever its called that is 
like this:

boolean evict(long now);

... and inside it, it would do all the checks you have here:

189             if ((completedProcedure.hasClientAckTime() && (now - 
completedProcedure.getClientAckTime()) >= evictAckTtl) ||
190                 (now - proc.getLastUpdate()) >= evictTtl) {

Why a FailedProcedure ?

Nice cleanup in ProcedureStore and in ProcedureWALFormatReader

This looks like a good direction to me [~balazs.meszaros]




> Reduce ProcedureInfo usage
> --------------------------
>
>                 Key: HBASE-18367
>                 URL: https://issues.apache.org/jira/browse/HBASE-18367
>             Project: HBase
>          Issue Type: Sub-task
>          Components: master, proc-v2
>            Reporter: Balazs Meszaros
>            Assignee: Balazs Meszaros
>             Fix For: 2.0.0
>
>         Attachments: HBASE-18367.001.patch, HBASE-18367.002.patch
>
>
> If we want to replace ProcedureInfo objects with jsons (HBASE-18106) we have 
> to reduce ProcedureInfo usage. Currently it is used several places in the 
> code where it could be replaced with Procedure (e.g. ProcedureExecutor). We 
> should use ProcedureInfo only for the communication before removing it.



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