amazonka-emr-1.4.5: Amazon Elastic MapReduce SDK.

Copyright(c) 2013-2016 Brendan Hay
LicenseMozilla Public License, v. 2.0.
MaintainerBrendan Hay <brendan.g.hay@gmail.com>
Stabilityauto-generated
Portabilitynon-portable (GHC extensions)
Safe HaskellNone
LanguageHaskell2010

Network.AWS.EMR.AddJobFlowSteps

Contents

Description

AddJobFlowSteps adds new steps to a running job flow. A maximum of 256 steps are allowed in each job flow.

If your job flow is long-running (such as a Hive data warehouse) or complex, you may require more than 256 steps to process your data. You can bypass the 256-step limitation in various ways, including using the SSH shell to connect to the master node and submitting queries directly to the software running on the master node, such as Hive and Hadoop. For more information on how to do this, see Add More than 256 Steps to a Job Flow in the Amazon EMR Developer's Guide .

A step specifies the location of a JAR file stored either on the master node of the job flow or in Amazon S3. Each step is performed by the main function of the main class of the JAR file. The main class can be specified either in the manifest of the JAR or by using the MainFunction parameter of the step.

Amazon EMR executes each step in the order listed. For a step to be considered complete, the main function must exit with a zero exit code and all Hadoop jobs started while the step was running must have completed and run successfully.

You can only add steps to a job flow that is in one of the following states: STARTING, BOOTSTRAPPING, RUNNING, or WAITING.

Synopsis

Creating a Request

addJobFlowSteps #

Creates a value of AddJobFlowSteps with the minimum fields required to make a request.

Use one of the following lenses to modify other fields as desired:

  • ajfsJobFlowId - A string that uniquely identifies the job flow. This identifier is returned by RunJobFlow and can also be obtained from ListClusters .
  • ajfsSteps - A list of StepConfig to be executed by the job flow.

data AddJobFlowSteps #

The input argument to the AddJobFlowSteps operation.

See: addJobFlowSteps smart constructor.

Instances

Eq AddJobFlowSteps # 
Data AddJobFlowSteps # 

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> AddJobFlowSteps -> c AddJobFlowSteps #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c AddJobFlowSteps #

toConstr :: AddJobFlowSteps -> Constr #

dataTypeOf :: AddJobFlowSteps -> DataType #

dataCast1 :: Typeable (* -> *) t => (forall d. Data d => c (t d)) -> Maybe (c AddJobFlowSteps) #

dataCast2 :: Typeable (* -> * -> *) t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c AddJobFlowSteps) #

gmapT :: (forall b. Data b => b -> b) -> AddJobFlowSteps -> AddJobFlowSteps #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> AddJobFlowSteps -> r #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> AddJobFlowSteps -> r #

gmapQ :: (forall d. Data d => d -> u) -> AddJobFlowSteps -> [u] #

gmapQi :: Int -> (forall d. Data d => d -> u) -> AddJobFlowSteps -> u #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> AddJobFlowSteps -> m AddJobFlowSteps #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> AddJobFlowSteps -> m AddJobFlowSteps #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> AddJobFlowSteps -> m AddJobFlowSteps #

Read AddJobFlowSteps # 
Show AddJobFlowSteps # 
Generic AddJobFlowSteps # 
Hashable AddJobFlowSteps # 
ToJSON AddJobFlowSteps # 
NFData AddJobFlowSteps # 

Methods

rnf :: AddJobFlowSteps -> () #

AWSRequest AddJobFlowSteps # 
ToQuery AddJobFlowSteps # 
ToPath AddJobFlowSteps # 
ToHeaders AddJobFlowSteps # 
type Rep AddJobFlowSteps # 
type Rep AddJobFlowSteps = D1 (MetaData "AddJobFlowSteps" "Network.AWS.EMR.AddJobFlowSteps" "amazonka-emr-1.4.5-GRo1oO6f7JSBJNAYUVYNd0" False) (C1 (MetaCons "AddJobFlowSteps'" PrefixI True) ((:*:) (S1 (MetaSel (Just Symbol "_ajfsJobFlowId") NoSourceUnpackedness SourceStrict DecidedStrict) (Rec0 Text)) (S1 (MetaSel (Just Symbol "_ajfsSteps") NoSourceUnpackedness SourceStrict DecidedStrict) (Rec0 [StepConfig]))))
type Rs AddJobFlowSteps # 

Request Lenses

ajfsJobFlowId :: Lens' AddJobFlowSteps Text #

A string that uniquely identifies the job flow. This identifier is returned by RunJobFlow and can also be obtained from ListClusters .

ajfsSteps :: Lens' AddJobFlowSteps [StepConfig] #

A list of StepConfig to be executed by the job flow.

Destructuring the Response

addJobFlowStepsResponse #

Creates a value of AddJobFlowStepsResponse with the minimum fields required to make a request.

Use one of the following lenses to modify other fields as desired:

data AddJobFlowStepsResponse #

The output for the AddJobFlowSteps operation.

See: addJobFlowStepsResponse smart constructor.

Instances

Eq AddJobFlowStepsResponse # 
Data AddJobFlowStepsResponse # 

Methods

gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> AddJobFlowStepsResponse -> c AddJobFlowStepsResponse #

gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c AddJobFlowStepsResponse #

toConstr :: AddJobFlowStepsResponse -> Constr #

dataTypeOf :: AddJobFlowStepsResponse -> DataType #

dataCast1 :: Typeable (* -> *) t => (forall d. Data d => c (t d)) -> Maybe (c AddJobFlowStepsResponse) #

dataCast2 :: Typeable (* -> * -> *) t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c AddJobFlowStepsResponse) #

gmapT :: (forall b. Data b => b -> b) -> AddJobFlowStepsResponse -> AddJobFlowStepsResponse #

gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> AddJobFlowStepsResponse -> r #

gmapQr :: (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> AddJobFlowStepsResponse -> r #

gmapQ :: (forall d. Data d => d -> u) -> AddJobFlowStepsResponse -> [u] #

gmapQi :: Int -> (forall d. Data d => d -> u) -> AddJobFlowStepsResponse -> u #

gmapM :: Monad m => (forall d. Data d => d -> m d) -> AddJobFlowStepsResponse -> m AddJobFlowStepsResponse #

gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> AddJobFlowStepsResponse -> m AddJobFlowStepsResponse #

gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> AddJobFlowStepsResponse -> m AddJobFlowStepsResponse #

Read AddJobFlowStepsResponse # 
Show AddJobFlowStepsResponse # 
Generic AddJobFlowStepsResponse # 
NFData AddJobFlowStepsResponse # 

Methods

rnf :: AddJobFlowStepsResponse -> () #

type Rep AddJobFlowStepsResponse # 
type Rep AddJobFlowStepsResponse = D1 (MetaData "AddJobFlowStepsResponse" "Network.AWS.EMR.AddJobFlowSteps" "amazonka-emr-1.4.5-GRo1oO6f7JSBJNAYUVYNd0" False) (C1 (MetaCons "AddJobFlowStepsResponse'" PrefixI True) ((:*:) (S1 (MetaSel (Just Symbol "_ajfsrsStepIds") NoSourceUnpackedness SourceStrict DecidedStrict) (Rec0 (Maybe [Text]))) (S1 (MetaSel (Just Symbol "_ajfsrsResponseStatus") NoSourceUnpackedness SourceStrict DecidedUnpack) (Rec0 Int))))

Response Lenses

ajfsrsStepIds :: Lens' AddJobFlowStepsResponse [Text] #

The identifiers of the list of steps added to the job flow.

ajfsrsResponseStatus :: Lens' AddJobFlowStepsResponse Int #

  • - | The response status code.