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By default the S2 library defaults to a concurrency level of
GOMAXPROCS
, which forces the library to run extra goroutines to manage asynchronous flushes.As we only ever have one goroutine (the client writer) using a given S2 writer, reducing the concurrency down to 1 helps a bit with overheads, slightly reduces allocations and slightly improves throughput.
Signed-off-by: Neil Twigg neil@nats.io