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pubsub/gcppubsub: decrease max batch buffer size from 9MB to 8MB #3698

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Merged
vangent merged 1 commit into from
Apr 9, 2026
+2 −2
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pubsub/gcppubsub: decrease max batch buffer size from 9MB to 8MB #3698

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4 changes: 2 additions & 2 deletions pubsub/gcppubsub/gcppubsub.go
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Original file line number Diff line number Diff line change
Expand Up @@ -86,9 +86,9 @@ var sendBatcherOpts = &batcher.Options{
MaxHandlers: 2,
// The PubSub service limits the size of the request body in a single Publish RPC.
// The limit is currently documented as "10MB (total size)" and "10MB (data field)" per message.
// We are enforcing 9MiB to give ourselves some headroom for message attributes since those
// We are enforcing 8MiB to give ourselves some headroom for message attributes since those
// are currently not considered when computing the byte size of a message.
MaxBatchByteSize: 9 * 1024 * 1024,
MaxBatchByteSize: 8 * 1024 * 1024,
}

var defaultRecvBatcherOpts = &batcher.Options{
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