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GEODE-7626: Break dependency on LocalViewMessage in membership #4538

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merged 3 commits into from Dec 30, 2019

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bschuchardt
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LocalViewMessage was a DistributionMessage executed in an executor owned
by ClusterDistributionmanager. This arrangement was very convoluted
because CDM only had upstream involvement in membership view
installation.

This PR moves view installation into GMSMembership using a
single-threaded executor similar to what CDM used but without
statistics. Stats for the view installation thread have never been
useful so I have not retained that functionality.

There are already many tests for view installation, so while I've
modified a couple I haven't added any new tests.

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LocalViewMessage was a DistributionMessage executed in an executor owned
by ClusterDistributionmanager.  This arrangement was very convoluted
because CDM only had upstream involvement in membership view
installation.

This PR moves view installation into GMSMembership using a
single-threaded executor similar to what CDM used but without
statistics.  Stats for the view installation thread have never been
useful so I have not retained that functionality.

There are already many tests for view installation, so while I've
modified a couple I haven't added any new tests.
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@upthewaterspout upthewaterspout left a comment

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Way less convoluted then how it used to work!

@bschuchardt bschuchardt merged commit 10d1b8c into develop Dec 30, 2019
@bschuchardt bschuchardt deleted the feature/GEODE-7626 branch December 30, 2019 18:48
davebarnes97 pushed a commit to davebarnes97/geode that referenced this pull request Jan 22, 2020
…e#4538)

* GEODE-7626: Break dependency on LocalViewMessage in membership

LocalViewMessage was a DistributionMessage executed in an executor owned
by ClusterDistributionmanager.  This arrangement was very convoluted
because CDM only had upstream involvement in membership view
installation.

This PR moves view installation into GMSMembership using a
single-threaded executor similar to what CDM used but without
statistics.  Stats for the view installation thread have never been
useful so I have not retained that functionality.

There are already many tests for view installation, so while I've
modified a couple I haven't added any new tests.

* make constructor private

* simplifying the executor
mhansonp pushed a commit to mhansonp/geode that referenced this pull request Mar 12, 2020
…e#4538)

* GEODE-7626: Break dependency on LocalViewMessage in membership

LocalViewMessage was a DistributionMessage executed in an executor owned
by ClusterDistributionmanager.  This arrangement was very convoluted
because CDM only had upstream involvement in membership view
installation.

This PR moves view installation into GMSMembership using a
single-threaded executor similar to what CDM used but without
statistics.  Stats for the view installation thread have never been
useful so I have not retained that functionality.

There are already many tests for view installation, so while I've
modified a couple I haven't added any new tests.

* make constructor private

* simplifying the executor
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