poorbarcode commented on code in PR #22854:
URL: https://github.com/apache/pulsar/pull/22854#discussion_r1643157512
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pulsar-client/src/main/java/org/apache/pulsar/client/impl/PatternMultiTopicsConsumerImpl.java:
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@@ -69,6 +69,31 @@ public class PatternMultiTopicsConsumerImpl<T> extends
MultiTopicsConsumerImpl<T
private volatile Timeout recheckPatternTimeout = null;
private volatile String topicsHash;
+ /**
+ * This variable is used to make all tasks that will modify subscriptions
will be executed one by one.
Review Comment:
Added a tool named `PatternConsumerUpdateQueue` to fix this issue
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