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From Greg Mann <>
Subject Re: Review Request 44278: Added HTTP scheduler stream IDs.
Date Thu, 03 Mar 2016 17:13:48 GMT

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(Updated March 3, 2016, 5:13 p.m.)

Review request for mesos, Anand Mazumdar and Vinod Kone.


Addressed comments.

Bugs: MESOS-3583

Repository: mesos


Added HTTP scheduler stream IDs.

In some failure scenarios involving highly-available HTTP schedulers with multiple instances,
it's possible for a non-leading instance to successfully make HTTP calls to the master. This
patch enables the master to use HTTP scheduler stream IDs to uniquely identify each HTTP subscription
stream, preventing any non-leading scheduler instance from making calls to the master. The
patch also adds stream ID support to the HTTP scheduler library.

Diffs (updated)

  src/master/http.cpp 5e9e28e904ba0045ee27eb828f47231632a91d74 
  src/master/master.hpp 52b2ceab21bc8cccea1d57385c3f1e14e31f3bce 
  src/scheduler/scheduler.cpp 7ea1c2567f37a73160bca346a25bb2f0c54e71a0 



`make check` was used to test on both OSX and CentOS 7.1.


Greg Mann

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