Marcel Kornacker has posted comments on this change.

Change subject: IMPALA-3988: Only use first 96 bits of query id
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Patch Set 6:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/4065/6/be/src/scheduling/simple-scheduler.cc
File be/src/scheduling/simple-scheduler.cc:

PS6, Line 505: int
> Will there be a chance of overflow here ? Should we use int64_t instead ?
there is no plausible scenario in which we'll ever have 1 billion fragment 
instances for a single query, let alone more than that.

i'll adapt the interface.


http://gerrit.cloudera.org:8080/#/c/4065/6/be/src/util/uid-util.h
File be/src/util/uid-util.h:

PS6, Line 75: int
> Does this have the same overflow problem here ?
this interface doesn't really make any sense, i'll rework it (and hardwire 
int32_t).


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Gerrit-MessageType: comment
Gerrit-Change-Id: Ia56a03ed9a1d7e77c72b66a01cd48c5b6bf3624f
Gerrit-PatchSet: 6
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Marcel Kornacker <[email protected]>
Gerrit-Reviewer: Henry Robinson <[email protected]>
Gerrit-Reviewer: Marcel Kornacker <[email protected]>
Gerrit-Reviewer: Michael Ho
Gerrit-Reviewer: Michael Ho <[email protected]>
Gerrit-HasComments: Yes

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