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Get a list of 'connectable' instances from the first node #134

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#135
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Get a list of 'connectable' instances from the first node#134
#135
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denis-ignatenko
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Description

@sharonovd
sharonovd
opened on Mar 20, 2019

Use-case:
there is a sharded cluster of ~50 tarantools, 12 vshard-routers. User wants to be able to reconnect to another noe smoothly (if the first one goes down). It is not suitable to pass all 50 nodes to connectmesh, moreover - adding a new router requires all client applications restart.

Proposed solution:

  • connector should receive a list of connectable nodes from the first one it connects to. Exact procedure on tarantool side must be configurable.
  • this list should replace the one passed initially.
  • this list should be refreshed periodically in the background

Activity

  1. sharonovd
    added
    customer
    on Mar 20, 2019

  2. sharonovd commented on Mar 20, 2019

    @sharonovd
    sharonovd
    on Mar 20, 2019
    Author

    Corner cases:

    1. What should be done if after a list refresh currently active node is no longer in it?
    2. What is the exact API for connector and tarantool?

    @Totktonada please help elaborate those, I usually tend to simplest solutions

  3. msiomkin
    added a commit that references this issue on Mar 21, 2019

    Implement getting the cluster nodes list from nodes

    9851167
  4. sharonovd
    assigned
    msiomkin
    on Mar 21, 2019
  5. msiomkin
    added 5 commits that reference this issue on Mar 23, 2019

    Implement getting the cluster nodes list from nodes

    3f68e9b

    Implement getting the cluster nodes list from nodes

    7a4659b

    Implement getting the cluster nodes list from nodes

    0448226

    Implement getting the cluster nodes list from nodes

    746a084

    Implement getting the cluster nodes list from nodes

    b12e79d
  6. denis-ignatenko
    assigned
    denis-ignatenko
    and unassigned
    msiomkin
    on May 31, 2019
  7. denis-ignatenko
    added 2 commits that reference this issue on May 31, 2019

    Implement getting the cluster nodes list from nodes

    ce3d3b8

    Implement getting the cluster nodes list from nodes

    852be97
  8. Totktonada
    added 2 commits that reference this issue on Jun 9, 2019

    Support cluster discovery in MeshConnection

    1576d2c

    Support cluster discovery in MeshConnection

    d64c52b
  9. Totktonada
    closed this as completedin #135on Jun 10, 2019
  10. Totktonada
    added a commit that references this issue on Jun 10, 2019

    Support cluster discovery in MeshConnection

    4dfe5f9
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