int
Max initial number of streams. If unset or zero, the server
will provide a value of streams so as to produce reasonable
throughput. Must be non-negative. The number of streams may
be lower than the requested number, depending on the amount
parallelism that is reasonable for the table. There is a
default system max limit of 1,000.
This must be greater than or equal to
preferred_min_stream_count. Typically, clients should either
leave this unset to let the system to determine an upper
bound OR set this a size for the maximum "units of work" it
can gracefully handle.