test: add E2E tests for Redis Enterprise maintenance timeout handling #2
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PavelPashov
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nkaradzhov
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…redis#3077) * refactor(test): improve test scenario reliability and maintainability * tests: add resp3 check test (#1) * test: refactor connection handoff tests with enhanced spy utility (#2) * test: add comprehensive push notification disabled scenarios (#3) * tests: add params config tests (#4) * tests: add feature enablement tests (#5) --------- Co-authored-by: Nikolay Karadzhov <[email protected]>
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… TODO cleanup debug logs 1) when RE failover happens, there is a disconnect 2) affected Client reconnects and tries to resubscribe all existing listeners ISSUE #1: CROSSSLOT Error - client was doing ssubscribe ch1 ch2.. chN which, after the failover could result in CROSSSLOT ( naturally, becasuse now some slots could be owned by other shards ) FIX: send one ssubscribe command per channel instead of one ssubscribe for all channels ISSUE #2: MOVED Error - some/all of the channels might be moved somewhere else FIX: 1: propagate the error to the Cluster. 2: Cluster rediscovers topology. 3: Extract all existing subscriptions from all pubsub clients and resubscribe over the new topology. fixes: redis#2902
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… TODO cleanup debug logs 1) when RE failover happens, there is a disconnect 2) affected Client reconnects and tries to resubscribe all existing listeners ISSUE #1: CROSSSLOT Error - client was doing ssubscribe ch1 ch2.. chN which, after the failover could result in CROSSSLOT ( naturally, becasuse now some slots could be owned by other shards ) FIX: send one ssubscribe command per channel instead of one ssubscribe for all channels ISSUE #2: MOVED Error - some/all of the channels might be moved somewhere else FIX: 1: propagate the error to the Cluster. 2: Cluster rediscovers topology. 3: Extract all existing subscriptions from all pubsub clients and resubscribe over the new topology. fixes: redis#2902
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… TODO cleanup debug logs 1) when RE failover happens, there is a disconnect 2) affected Client reconnects and tries to resubscribe all existing listeners ISSUE #1: CROSSSLOT Error - client was doing ssubscribe ch1 ch2.. chN which, after the failover could result in CROSSSLOT ( naturally, becasuse now some slots could be owned by other shards ) FIX: send one ssubscribe command per channel instead of one ssubscribe for all channels ISSUE #2: MOVED Error - some/all of the channels might be moved somewhere else FIX: 1: propagate the error to the Cluster. 2: Cluster rediscovers topology. 3: Extract all existing subscriptions from all pubsub clients and resubscribe over the new topology. fixes: redis#2902
nkaradzhov
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… TODO cleanup debug logs 1) when RE failover happens, there is a disconnect 2) affected Client reconnects and tries to resubscribe all existing listeners ISSUE #1: CROSSSLOT Error - client was doing ssubscribe ch1 ch2.. chN which, after the failover could result in CROSSSLOT ( naturally, becasuse now some slots could be owned by other shards ) FIX: send one ssubscribe command per channel instead of one ssubscribe for all channels ISSUE #2: MOVED Error - some/all of the channels might be moved somewhere else FIX: 1: propagate the error to the Cluster. 2: Cluster rediscovers topology. 3: Extract all existing subscriptions from all pubsub clients and resubscribe over the new topology. fixes: redis#2902
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npm testpass with this change (including linting)?