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@su-yh su-yh commented Oct 31, 2021

Describe what this PR does / why we need it

网关流控API
当我添加一个API 定义之后,会同时更新GatewayApiMatcherManager
但是当我再将这个API 定义删除之后,也会更新GatewayApiMatcherManager,不过它只会添加不会删除。

Does this pull request fix one issue?

#2433

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CLAassistant commented Oct 31, 2021

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All committers have signed the CLA.

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sczyh30 commented Nov 1, 2021

Could you please sign the CLA here: https://cla-assistant.io/alibaba/Sentinel?pullRequest=2436

@sczyh30 sczyh30 added the area/gateway-flow-control Issues or PRs related to API gateway flow control label Nov 1, 2021
public final class GatewayApiMatcherManager {

private static final Map<String, WebExchangeApiMatcher> API_MATCHER_MAP = new ConcurrentHashMap<>();
private static Map<String, WebExchangeApiMatcher> API_MATCHER_MAP = new ConcurrentHashMap<>();
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Maybe just volatile HashMap is enough?

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@su-yh su-yh Nov 3, 2021

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使用volatile 会更好吗?
你这是出于什么考虑,而建议使用它呢?

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ConcurrentHashMap -> volatile HashMap

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LGTM

@sczyh30 sczyh30 merged commit 5382b3d into alibaba:master Nov 29, 2021
sczyh30 pushed a commit that referenced this pull request Nov 29, 2021
…re not removed (#2436)

* Fix the bug that legacy API matchers in SC gateway adapter GatewayApiMatcherManager were not removed after the API group has been removed
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sczyh30 commented Nov 29, 2021

Thanks for contributing!

Zhang-0952 pushed a commit to Zhang-0952/Sentinel that referenced this pull request Mar 4, 2022
…re not removed (alibaba#2436)

* Fix the bug that legacy API matchers in SC gateway adapter GatewayApiMatcherManager were not removed after the API group has been removed
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