GetSchema: GetSchema: Batch/parallel access to underlying mysqld for lower latency
GetSchema: GetSchema: Batch/parallel access to underlying mysqld for lower latency

Signed-off-by: Toliver Jue <4ae292c1b4fbfc71117cd7ce31dd753be371b667@planetscale.com>

mahak/vitess,vitessio/vitess,mahak/vitess,vitessio/vitess,mahak/vitess,mahak/vitess,vitessio/vitess,vitessio/vitess,tinyspeck/vitess,vitessio/vitess,tinyspeck/vitess,tinyspeck/vitess,mahak/vitess,tinyspeck/vitess,vitessio/vitess,vitessio/vitess,mahak/vitess,mahak/vitess,tinyspeck/vitess,vitessio/vitess,mahak/vitess,tinyspeck/vitess,tinyspeck/vitess