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Congestion control #270

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Congestion control #270

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Commits on Aug 30, 2024

  1. region: Refactor client.receive 

    Pull out returnResult call from client.receive, so now it is the
caller's job to do that.

This is done for a follow-on change that would like to handle errors
differently.
    @aaronbee
    aaronbee committed Aug 30, 2024
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  2. region: Use built-in min

    @aaronbee
    aaronbee committed Aug 30, 2024
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  3. region: Use defer to Unlock in a couple places

    @aaronbee
    aaronbee committed Aug 30, 2024
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  4. region: Add congestion control

    @aaronbee
    aaronbee committed Aug 30, 2024
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Commits on Sep 3, 2024

  1. region: Add window size metric 

    Added a gauge to report the window size.
    @aaronbee
    aaronbee committed Sep 3, 2024
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  2. Add optional congestion control behavior to region server client 

    * Adds minWindowSize and maxWindowSize arguments to region server client

* renames rpcs chan to rpcBatches. This is the channel for Put RPCs
which get processed by batching loop.

* adds rpcs chan for get/scan requests to be read by congestion
control code.

* Updates QueueRPC to send rpc's with priority 0 to the congestion
control code.
    @aaronbee
    aaronbee committed Sep 3, 2024
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  3. Add CongestionControl option for enabling congestion control

    @aaronbee
    aaronbee committed Sep 3, 2024
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  4. Add integration test cases that enable congestion control

    @aaronbee
    aaronbee committed Sep 3, 2024
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