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docs(pubsub): update streams section #6682

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merged 2 commits into from Sep 15, 2022
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docs(pubsub): update streams section #6682

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docs(pubsub): update streams section
hongalex Sep 15, 2022
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Merge branch 'main' into docs-pubsub-streams
hongalex Sep 15, 2022
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5 changes: 3 additions & 2 deletions pubsub/doc.go
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Expand Up @@ -91,10 +91,11 @@ pull method.

# Streams Management

Streams used for streaming pull are managed by the gRPC connection pool setting.
Streams used for streaming pull are configured by setting sub.ReceiveSettings.NumGoroutines.
However, the total number of streams possible is capped by the gRPC connection pool setting.
By default, the number of connections in the pool is min(4,GOMAXPROCS).

If you have 4 or more CPU cores, the default setting allows 400 streams which is still a good default for most cases.
If you have 4 or more CPU cores, the default setting allows a maximum of 400 streams which is still a good default for most cases.
If you want to have more open streams (such as for low CPU core machines), you should pass in the grpc option as described below:

opts := []option.ClientOption{
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