Alexey Serbin has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/15161 )

Change subject: [clock] introduce time source auto selection
......................................................................


Patch Set 6:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/15161/6/src/kudu/clock/hybrid_clock.cc
File src/kudu/clock/hybrid_clock.cc:

http://gerrit.cloudera.org:8080/#/c/15161/6/src/kudu/clock/hybrid_clock.cc@416
PS6, Line 416:         result_builtin_ntp_servers.emplace_back(ntp_server,
             :                                                 
clock::kStandardNtpPort);
> Agreed with the global variable sentiment, but worth pointing out that ther
This sounds reasonable.  I'll set the default value for the glfag then.  Thanks.


http://gerrit.cloudera.org:8080/#/c/15161/6/src/kudu/clock/hybrid_clock.cc@428
PS6, Line 428:     if (result_time_source == TimeSource::UNKNOWN) {
             :       // The fallback to TimeSource::SYSTEM_UNSYNC is possible 
only when
             :       // it's explicitly allowed by 
--time_source_system_unsync_allowed flag.
             :       if (!FLAGS_time_source_system_unsync_allowed) {
             :         return Status::InvalidArgument(
             :             "no viable time source to auto-select: in a test 
environment "
             :             "consider setting 
--time_source_system_unsync_allowed");
             :       }
             :       result_time_source = TimeSource::SYSTEM_UNSYNC;
> I guess what you want is to be able to tag a particular gflag _value_ as un
Indeed, the need is to mark a particular gflag value as unsafe.

I think using the group validator for that purpose is a great idea.  Thanks!



--
To view, visit http://gerrit.cloudera.org:8080/15161
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: If9f2bc94f4a1ad32fe365d4f6f0707913fb476a4
Gerrit-Change-Number: 15161
Gerrit-PatchSet: 6
Gerrit-Owner: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Adar Dembo <[email protected]>
Gerrit-Reviewer: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Grant Henke <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Tidy Bot (241)
Gerrit-Reviewer: Volodymyr Verovkin <[email protected]>
Gerrit-Comment-Date: Fri, 07 Feb 2020 23:11:15 +0000
Gerrit-HasComments: Yes

Reply via email to