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https://issues.apache.org/jira/browse/DRILL-4286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16252608#comment-16252608
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ASF GitHub Bot commented on DRILL-4286:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/921#discussion_r150985739
--- Diff:
protocol/src/main/java/org/apache/drill/exec/proto/beans/RpcType.java ---
@@ -25,28 +25,8 @@
HANDSHAKE(0),
ACK(1),
GOODBYE(2),
- RUN_QUERY(3),
- CANCEL_QUERY(4),
- REQUEST_RESULTS(5),
- RESUME_PAUSED_QUERY(11),
- GET_QUERY_PLAN_FRAGMENTS(12),
- GET_CATALOGS(14),
- GET_SCHEMAS(15),
- GET_TABLES(16),
- GET_COLUMNS(17),
- CREATE_PREPARED_STATEMENT(22),
- GET_SERVER_META(8),
- QUERY_DATA(6),
- QUERY_HANDLE(7),
- QUERY_PLAN_FRAGMENTS(13),
- CATALOGS(18),
- SCHEMAS(19),
- TABLES(20),
- COLUMNS(21),
- PREPARED_STATEMENT(23),
- SERVER_META(9),
- QUERY_RESULT(10),
- SASL_MESSAGE(24);
+ REQ_RECORD_BATCH(3),
+ SASL_MESSAGE(4);
--- End diff --
Is this your change? Why has the list of RPC types changed? Is this a merge
issue?
> Have an ability to put server in quiescent mode of operation
> ------------------------------------------------------------
>
> Key: DRILL-4286
> URL: https://issues.apache.org/jira/browse/DRILL-4286
> Project: Apache Drill
> Issue Type: New Feature
> Components: Execution - Flow
> Reporter: Victoria Markman
> Assignee: Venkata Jyothsna Donapati
>
> I think drill will benefit from mode of operation that is called "quiescent"
> in some databases.
> From IBM Informix server documentation:
> {code}
> Change gracefully from online to quiescent mode
> Take the database server gracefully from online mode to quiescent mode to
> restrict access to the database server without interrupting current
> processing. After you perform this task, the database server sets a flag that
> prevents new sessions from gaining access to the database server. The current
> sessions are allowed to finish processing. After you initiate the mode
> change, it cannot be canceled. During the mode change from online to
> quiescent, the database server is considered to be in Shutdown mode.
> {code}
> This is different from shutdown, when processes are terminated.
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