Spanner: Dynamic Channel Pooling now GA for Go and Java Clients
Dynamic Channel Pooling (DCP) for gRPC channels is now generally available in the Google Cloud Spanner Go and Java client libraries. This feature helps prevent performance issues caused by under-provisioned or over-provisioned channels. It also aims to reduce configuration overhead for developers. DCP is disabled by default and requires explicit enablement.
Features (1) ›
- Spanner
Dynamic channel pooling (DCP) for gRPC channels in the Spanner Go and Java client libraries is generally available ( GA ). DCP prevents performance issues from under-provisioned or over-provisioned channels and reduces configuration overhead. DCP is disabled by default. For more information, see Configure the number of sessions and gRPC channels in the pools .
https://docs.cloud.google.com/release-notes#August_10_2026
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