[jira] Commented: (HIVE-278) Add HiveHistory to Hive web interface

["Edward Capriolo (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12678539#action_12678539 ] 

Edward Capriolo commented on HIVE-278:
--------------------------------------

I understand what you have described. As far as I know page requests in the servlet engine can possibly reuse a thread. What the code is doing is initializing a session in the HWISessionManager thread but then starting the query from a thread inside HWISessionItem.

Currently there is a CLISessionState as a private member of HWISessionItem.
I think the complication of my design is that the HWISessionItem class should extend SessionState and implement Runnable.
Hopefully this can be done without modified the HWISessionManager .

> Add HiveHistory to Hive web interface
> -------------------------------------
>
>                 Key: HIVE-278
>                 URL: https://issues.apache.org/jira/browse/HIVE-278
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Logging, Web UI
>    Affects Versions: 0.3.0
>            Reporter: Edward Capriolo
>            Assignee: Edward Capriolo
>            Priority: Minor
>             Fix For: 0.3.0
>
>         Attachments: session_logging.diff
>
>
> In order for HIVE-176 to be utilized by the Hive web interface a few changes need to be made.
> * HWISessionItem needs a method with an argument signature 
> {noformat} 
> public HiveHistoryViewer getHistoryViewer() throws HWIException
> {noformat} 
> * session_manage.jsp needs an addition
> {noformat} 
>  Hive History: <a href=/hwi/session_history.jsp?sessionName=<%=sessionName%>"><%=sessionName%></a><br>
> {noformat} 
> * session_history.jsp will have to be created to use the ql.history api

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