Amazonka.EMR.Types.PlacementType

Documentation

data PlacementType

The Amazon EC2 Availability Zone configuration of the cluster (job flow).

See: newPlacementType smart constructor.

Constructors

PlacementType'

Fields

• availabilityZone :: Maybe Text

  The Amazon EC2 Availability Zone for the cluster. AvailabilityZone is used for uniform instance groups, while AvailabilityZones (plural) is used for instance fleets.

• availabilityZones :: Maybe [Text]

  When multiple Availability Zones are specified, Amazon EMR evaluates them and launches instances in the optimal Availability Zone. AvailabilityZones is used for instance fleets, while AvailabilityZone (singular) is used for uniform instance groups.

  The instance fleet configuration is available only in Amazon EMR versions 4.8.0 and later, excluding 5.0.x versions.

Instances

ToJSON PlacementType

Defined in Amazonka.EMR.Types.PlacementType

Methods

toJSON :: PlacementType -> Value

toEncoding :: PlacementType -> Encoding

toJSONList :: [PlacementType] -> Value

toEncodingList :: [PlacementType] -> Encoding

Generic PlacementType

Defined in Amazonka.EMR.Types.PlacementType

Associated Types

type Rep PlacementType :: Type -> Type

Methods

from :: PlacementType -> Rep PlacementType x

to :: Rep PlacementType x -> PlacementType

Read PlacementType

Defined in Amazonka.EMR.Types.PlacementType

Methods

readsPrec :: Int -> ReadS PlacementType

readList :: ReadS [PlacementType]

readPrec :: ReadPrec PlacementType

readListPrec :: ReadPrec [PlacementType]

Show PlacementType

Defined in Amazonka.EMR.Types.PlacementType

Methods

showsPrec :: Int -> PlacementType -> ShowS

show :: PlacementType -> String

showList :: [PlacementType] -> ShowS

NFData PlacementType

Defined in Amazonka.EMR.Types.PlacementType

Methods

rnf :: PlacementType -> ()

Eq PlacementType

Defined in Amazonka.EMR.Types.PlacementType

Methods

(==) :: PlacementType -> PlacementType -> Bool

(/=) :: PlacementType -> PlacementType -> Bool

Hashable PlacementType

Defined in Amazonka.EMR.Types.PlacementType

Methods

hashWithSalt :: Int -> PlacementType -> Int

hash :: PlacementType -> Int

type Rep PlacementType

Defined in Amazonka.EMR.Types.PlacementType

type Rep PlacementType = D1 ('MetaData "PlacementType" "Amazonka.EMR.Types.PlacementType" "amazonka-emr-2.0-B3cWhP6sdymF3IBUMdPGcd" 'False) (C1 ('MetaCons "PlacementType'" 'PrefixI 'True) (S1 ('MetaSel ('Just "availabilityZone") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Text)) :*: S1 ('MetaSel ('Just "availabilityZones") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe [Text]))))

newPlacementType :: PlacementType

Create a value of PlacementType with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:availabilityZone:PlacementType', placementType_availabilityZone - The Amazon EC2 Availability Zone for the cluster. AvailabilityZone is used for uniform instance groups, while AvailabilityZones (plural) is used for instance fleets.

$sel:availabilityZones:PlacementType', placementType_availabilityZones - When multiple Availability Zones are specified, Amazon EMR evaluates them and launches instances in the optimal Availability Zone. AvailabilityZones is used for instance fleets, while AvailabilityZone (singular) is used for uniform instance groups.

The instance fleet configuration is available only in Amazon EMR versions 4.8.0 and later, excluding 5.0.x versions.

placementType_availabilityZone :: Lens' PlacementType (Maybe Text)

The Amazon EC2 Availability Zone for the cluster. AvailabilityZone is used for uniform instance groups, while AvailabilityZones (plural) is used for instance fleets.

placementType_availabilityZones :: Lens' PlacementType (Maybe [Text])

When multiple Availability Zones are specified, Amazon EMR evaluates them and launches instances in the optimal Availability Zone. AvailabilityZones is used for instance fleets, while AvailabilityZone (singular) is used for uniform instance groups.

The instance fleet configuration is available only in Amazon EMR versions 4.8.0 and later, excluding 5.0.x versions.