Balazs Jeszenszky has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/10829 )

Change subject: [DOCS] Clarification on admission control and DDL statements
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Patch Set 1:

I think this is somehow much more confusing than it should be. The facts are:
* queries submitted to a given session are executed serially, DDL or not
* DDLs are not part of admission control
* Naturally, this means that any query, including DDLs, that the client submits 
in a session that has a query queued, will not execute (but this behaviour has 
nothing to do with admission control). The tricky part is that while the 
example query is queued, it is possible to open a new session and drop the 
table the queued query would refer to.

I think we should have a page somewhere (probably here?) to separate these 
behaviours (queued due to serial exec vs queued due to admission control), and 
spell out how this relates to DDLs specifically (the scenario above is a good 
example IMO).


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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I2e3e82bd34e88e7a13de1864aeb97f01023bc715
Gerrit-Change-Number: 10829
Gerrit-PatchSet: 1
Gerrit-Owner: Alex Rodoni <[email protected]>
Gerrit-Reviewer: Balazs Jeszenszky <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Comment-Date: Tue, 26 Jun 2018 21:48:33 +0000
Gerrit-HasComments: No

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