hunter2046 commented on a change in pull request #507:
URL: https://github.com/apache/pulsar-client-go/pull/507#discussion_r611894151
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File path: pulsar/producer.go
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@@ -199,3 +204,15 @@ type Producer interface {
// of errors, pending writes will not be retried.
Close()
}
+
+// GetHashingFunction return the corresponding hashing function for the
hashing scheme
+func GetHashingFunction(s HashingScheme) func(string) uint32 {
Review comment:
We would like to mimic what the default router does including the hash
function. The only difference would be to use a snapshotted numPartitions
instead of a latest one that is from `TopicMetadata`:
https://github.com/apache/pulsar-client-go/blob/6ab17dcca28db389ab91a4a2ea6e5ae990d613da/pulsar/producer_impl.go#L103
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