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Limit the number of outbound peer connections #2944

Merged
merged 16 commits into from
Oct 27, 2021
Merged

Limit the number of outbound peer connections #2944

merged 16 commits into from
Oct 27, 2021

Commits on Oct 27, 2021

  1. Limit the number of outbound connections in the crawler

    @teor2345
    teor2345 committed Oct 27, 2021
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  2. Make zebra-network channel bounds depend on config.peerset_initial_ta… 

    …rget_size
    @teor2345
    teor2345 committed Oct 27, 2021
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  3. Bias Zebra towards outbound connections 

    And turn connection limits into `Config` methods.
    @teor2345
    teor2345 committed Oct 27, 2021
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  4. Downgrade some connection logs to debug

    @teor2345
    teor2345 committed Oct 27, 2021
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  5. Remove verbose or outdated fields in tracing logs

    @teor2345
    teor2345 committed Oct 27, 2021
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  6. Clarify connection limits 

    Includes:
- `fastmod OUTBOUND_PEER_BIAS_FRACTION OUTBOUND_PEER_BIAS_DENOMINATOR zebra*`
- clarify connection limit documentation
    @teor2345
    teor2345 committed Oct 27, 2021
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  7. Clarify inventory channel capacity

    @teor2345
    teor2345 committed Oct 27, 2021
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  8. Add zebra_network::initialize tests with limited numbers of peers

    @teor2345
    teor2345 committed Oct 27, 2021
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  9. Avoid cooperative async task starvation in the peer crawler and listener 

    If we don't yield in these loops, they can run for a long time before
tokio forces them to yield.
    @teor2345
    teor2345 committed Oct 27, 2021
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  10. Test the crawler with small connection limits 

    And use the multi-threaded runtime to avoid long hangs.
    @teor2345
    teor2345 committed Oct 27, 2021
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  11. Stop using the multi-threaded executor in tests where it's not needed

    @teor2345
    teor2345 committed Oct 27, 2021
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  12. Avoid starvation for every connection 

    Adds yields after inbound successes and initial peer connections.
    @teor2345
    teor2345 committed Oct 27, 2021
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  13. Add a crawler peer connection success test

    @teor2345
    teor2345 committed Oct 27, 2021
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  14. Add outbound connection limit tests

    @teor2345
    teor2345 committed Oct 27, 2021
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  15. Improve outbound tests

    @teor2345
    teor2345 committed Oct 27, 2021
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  16. Merge branch 'main' into limit-outbound-peers

    @teor2345
    teor2345 authored Oct 27, 2021
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