Update more docs to refer to `Reshard`/`MoveTables`

Signed-off-by: Andrew Mason <amason@slack-corp.com>

go/cmd/vtctldclient/internal/command/shards.go

@@ -340,8 +340,8 @@ func init() {
 	Root.AddCommand(SetShardIsPrimaryServing)
 
 	SetShardTabletControl.Flags().StringSliceVarP(&setShardTabletControlOptions.Cells, "cells", "c", nil, "Specifies a comma-separated list of cells to update.")
-	SetShardTabletControl.Flags().StringSliceVar(&setShardTabletControlOptions.DeniedTables, "denied-tables", nil, "Specifies a comma-separated list of tables to add to the denylist (for vertical splits). Each table name is either an exact match, or a regular expression of the form '/regexp/'.")
-	SetShardTabletControl.Flags().BoolVarP(&setShardTabletControlOptions.Remove, "remove", "r", false, "Removes the specified cells for vertical splits.")
+	SetShardTabletControl.Flags().StringSliceVar(&setShardTabletControlOptions.DeniedTables, "denied-tables", nil, "Specifies a comma-separated list of tables to add to the denylist (for MoveTables). Each table name is either an exact match, or a regular expression of the form '/regexp/'.")
+	SetShardTabletControl.Flags().BoolVarP(&setShardTabletControlOptions.Remove, "remove", "r", false, "Removes the specified cells for MoveTables operations.")
 	SetShardTabletControl.Flags().BoolVar(&setShardTabletControlOptions.DisableQueryService, "disable-query-service", false, "Sets the DisableQueryService flag in the specified cells. This flag requires --denied-tables and --remove to be unset; if either is set, this flag is ignored.")
 	Root.AddCommand(SetShardTabletControl)
 

go/vt/proto/vtctldata/vtctldata.pb.go

@@ -5254,19 +5254,20 @@ type SetShardTabletControlRequest struct {
 	Cells      []string            `protobuf:"bytes,4,rep,name=cells,proto3" json:"cells,omitempty"`
 	// DeniedTables updates the list of denied tables the shard will serve for
 	// the given tablet type. This is useful to fix tables that are being blocked
-	// after a vertical split.
+	// after a MoveTables operation.
 	//
 	// NOTE: Setting this field will cause DisableQueryService to be ignored.
 	DeniedTables []string `protobuf:"bytes,5,rep,name=denied_tables,json=deniedTables,proto3" json:"denied_tables,omitempty"`
 	// DisableQueryService instructs whether to enable the query service on
-	// tablets of the given type in the shard. This is useful to fix horizontal
-	// splits gone awry.
+	// tablets of the given type in the shard. This is useful to fix Reshard
+	// operations gone awry.
 	//
 	// NOTE: this is ignored if DeniedTables is not empty.
 	DisableQueryService bool `protobuf:"varint,6,opt,name=disable_query_service,json=disableQueryService,proto3" json:"disable_query_service,omitempty"`
 	// Remove removes the ShardTabletControl record entirely. If set, this takes
 	// precedence over DeniedTables and DisableQueryService fields, and is useful
-	// to manually remove serving restrictions after a completed vertical split.
+	// to manually remove serving restrictions after a completed MoveTables
+	// operation.
 	Remove bool `protobuf:"varint,7,opt,name=remove,proto3" json:"remove,omitempty"`
 }
 

go/vt/proto/vtctlservice/vtctlservice_grpc.pb.go

@@ -273,8 +273,8 @@ type VtctldClient interface {
 	// tablet type.
 	//
 	// This should only be used for an emergency fix, or after a finished
-	// vertical split. See the documentation on SetShardTabletControlRequest for
-	// more information about the different update modes.
+	// Reshard. See the documentation on SetShardTabletControlRequest for more
+	// information about the different update modes.
 	SetShardTabletControl(ctx context.Context, in *vtctldata.SetShardTabletControlRequest, opts ...grpc.CallOption) (*vtctldata.SetShardTabletControlResponse, error)
 	// SetWritable sets a tablet as read-write (writable=true) or read-only (writable=false).
 	SetWritable(ctx context.Context, in *vtctldata.SetWritableRequest, opts ...grpc.CallOption) (*vtctldata.SetWritableResponse, error)
@@ -931,8 +931,8 @@ type VtctldServer interface {
 	// tablet type.
 	//
 	// This should only be used for an emergency fix, or after a finished
-	// vertical split. See the documentation on SetShardTabletControlRequest for
-	// more information about the different update modes.
+	// Reshard. See the documentation on SetShardTabletControlRequest for more
+	// information about the different update modes.
 	SetShardTabletControl(context.Context, *vtctldata.SetShardTabletControlRequest) (*vtctldata.SetShardTabletControlResponse, error)
 	// SetWritable sets a tablet as read-write (writable=true) or read-only (writable=false).
 	SetWritable(context.Context, *vtctldata.SetWritableRequest) (*vtctldata.SetWritableResponse, error)

proto/vtctldata.proto

@@ -730,19 +730,20 @@ message SetShardTabletControlRequest {
   repeated string cells = 4;
   // DeniedTables updates the list of denied tables the shard will serve for
   // the given tablet type. This is useful to fix tables that are being blocked
-  // after a vertical split.
+  // after a MoveTables operation.
   //
   // NOTE: Setting this field will cause DisableQueryService to be ignored.
   repeated string denied_tables = 5;
   // DisableQueryService instructs whether to enable the query service on
-  // tablets of the given type in the shard. This is useful to fix horizontal
-  // splits gone awry.
+  // tablets of the given type in the shard. This is useful to fix Reshard
+  // operations gone awry.
   //
   // NOTE: this is ignored if DeniedTables is not empty.
   bool disable_query_service = 6;
   // Remove removes the ShardTabletControl record entirely. If set, this takes
   // precedence over DeniedTables and DisableQueryService fields, and is useful
-  // to manually remove serving restrictions after a completed vertical split.
+  // to manually remove serving restrictions after a completed MoveTables
+  // operation.
   bool remove = 7;
 }
 

proto/vtctlservice.proto

@@ -172,8 +172,8 @@ service Vtctld {
   // tablet type.
   //
   // This should only be used for an emergency fix, or after a finished
-  // vertical split. See the documentation on SetShardTabletControlRequest for
-  // more information about the different update modes.
+  // Reshard. See the documentation on SetShardTabletControlRequest for more
+  // information about the different update modes.
   rpc SetShardTabletControl(vtctldata.SetShardTabletControlRequest) returns (vtctldata.SetShardTabletControlResponse) {};
   // SetWritable sets a tablet as read-write (writable=true) or read-only (writable=false).
   rpc SetWritable(vtctldata.SetWritableRequest) returns (vtctldata.SetWritableResponse) {};