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Querying Job Details

Function

This API is used to query details of a job.

URI

  • URI format

    GET /v1.0/{project_id}/streaming/jobs/{job_id}

  • Parameter description
    Table 1 URI parameters

    Parameter

    Mandatory

    Type

    Description

    project_id

    Yes

    String

    Project ID, which is used for resource isolation. For details about how to obtain its value, see Obtaining a Project ID.

    job_id

    Yes

    String

    Job ID.

Request

None

Response

Table 2 Response parameters

Parameter

Mandatory

Type

Description

is_success

No

String

Indicates whether the request is successfully executed. Value true indicates that the request is successfully executed.

message

No

String

System prompt. If execution succeeds, the parameter setting may be left blank.

job_detail

No

Object

Job details. For details, see Table 3.

Table 3 job_detail parameters

Parameter

Mandatory

Type

Description

job_id

No

Long

Job ID.

name

No

String

Name of the job. Length range: 0 to 57 characters.

desc

No

String

Job description. Length range: 0 to 512 characters.

job_type

No

String

Job type.

  • flink_sql_job: Flink SQL job
  • flink_opensource_sql_job: Flink OpenSource SQL job
  • flink_jar_job: User-defined Flink job

status

No

String

Job status.

Available job statuses are as follows:

  • job_init: The job is in the draft status.
  • job_submitting: The job is being submitted.
  • job_submit_fail: The job fails to be submitted.
  • job_running: The job is running. (The billing starts. After the job is submitted, a normal result is returned.)
  • job_running_exception (The billing stops. The job stops running due to an exception.)
  • job_downloading: The job is being downloaded.
  • job_idle: The job is idle.
  • job_canceling: The job is being stopped.
  • job_cancel_success: The job has been stopped.
  • job_cancel_fail: The job fails to be stopped.
  • job_savepointing: The savepoint is being created.
  • job_arrearage_stopped: The job is stopped because the account is in arrears. (The billing ends. The job is stopped because the user account is in arrears.)
  • job_arrearage_recovering: The recharged job is being restored. (The account in arrears is recharged, and the job is being restored).
  • job_finish: The job is completed.

status_desc

No

String

Description of job status.

create_time

No

Long

Time when a job is created.

start_time

No

Long

Time when a job is started.

user_id

No

String

ID of the user who creates the job.

queue_name

No

String

Name of a queue. Length range: 1 to 128 characters.

project_id

No

String

ID of the project to which a job belongs.

sql_body

No

String

Stream SQL statement.

savepoint_path

No

String

Path for storing manually generated checkpoints.

run_mode

No

String

Job running mode. The options are as follows:

  • shared_cluster: indicates that the job is running on a shared cluster.
  • exclusive_cluster: indicates that the job is running on an exclusive cluster.
  • edge_node: indicates that the job is running on an edge node.

job_config

No

Object

Job configurations. Refer to Table 4 for details.

main_class

No

String

Main class of a JAR package, for example, org.apache.spark.examples.streaming.JavaQueueStream.

entrypoint_args

No

String

Running parameter of a JAR package job. Multiple parameters are separated by spaces.

execution_graph

No

String

Job execution plan.

update_time

No

Long

Time when a job is updated.

user_name

No

String

Username. This parameter is valid only when show_detail is set to false.

duration

No

Long

Running duration of a job. Unit: ms. This parameter is valid only when show_detail is set to false.

root_id

No

Long

Parent job ID. This parameter is valid only when show_detail is set to false.

graph_editor_enabled

No

Boolean

Whether the stream graph of a job can be edited. Value true indicates that the flow diagram can be edited, and false indicates that the flow diagram cannot be edited.

has_savepoint

No

Boolean

Whether savepointing is enabled for the job. Value true indicates that the job has a savepoint, and false indicates that the job does not have a savepoint.

edge_group_ids

No

Array of Strings

List of edge computing group IDs. Use commas (,) to separate multiple IDs.

restart_times

No

Integer

Number of restart times

Table 4 job_config parameters

Parameter

Mandatory

Type

Description

checkpoint_enabled

No

Boolean

Whether to enable the automatic job snapshot function.

  • true: The automatic job snapshot function is enabled.
  • false: The automatic job snapshot function is disabled.

The default value is false.

checkpoint_interval

No

Integer

Snapshot interval. The unit is second. The default value is 10.

checkpoint_mode

No

String

Snapshot mode. There are two options:

  • exactly_once: indicates that data is processed only once.
  • at_least_once: indicates that data is processed at least once.

The default value is exactly_once.

log_enabled

No

Boolean

Whether to enable the log storage function. The default value is false.

obs_bucket

No

String

Name of an OBS bucket.

root_id

No

Integer

Parent job ID.

edge_group_ids

No

Array of Strings

List of edge computing group IDs. Use commas (,) to separate multiple IDs.

manager_cu_number

No

Integer

Number of CUs of the management unit. The default value is 1.

graph_editor_enabled

No

Boolean

Whether to enable flow diagram editing. The default value is false.

graph_editor_data

No

String

Data of flow diagram editing. The default value is null.

executor_number

No

Integer

Number of compute nodes in a job.

executor_cu_number

No

Integer

Number of CUs in a compute node.

cu_number

No

Integer

Number of CUs selected for a job. This parameter is valid only when show_detail is set to true.

  • Minimum value: 2
  • Maximum value: 400

The default value is 2.

parallel_number

No

Integer

Number of concurrent jobs set by a user. This parameter is valid only when show_detail is set to true.

  • Minimum value: 1
  • Maximum value: 2000

The default value is 1.

smn_topic

No

String

SMN topic name. If a job fails, the system will send a message to users subscribed to this SMN topic.

restart_when_exception

No

Boolean

Whether to enable the function of restart upon exceptions.

resume_checkpoint

No

Boolean

Whether to restore data from the latest checkpoint when the system automatically restarts upon an exception. The default value is false.

resume_max_num

No

Integer

Maximum retry attempts. –1 indicates there is no upper limit.

checkpoint_path

No

String

Path for saving the checkpoint.

idle_state_retention

No

Integer

Expiration time.

config_url

No

String

OBS path of the config package uploaded by the user.

udf_jar_url

No

String

Name of the package that has been uploaded to the DLI resource management system. The UDF Jar file of the SQL job is uploaded through this parameter.

dirty_data_strategy

No

String

Dirty data policy of a job.

  • 2:obsDir: Save. obsDir specifies the path for storing dirty data.
  • 1: Trigger a job exception
  • 0: Ignore

entrypoint

No

String

Name of the package that has been uploaded to the DLI resource management system. This parameter is used to customize the JAR file where the job main class is located.

dependency_jars

No

Array of Strings

Name of the package that has been uploaded to the DLI resource management system. This parameter is used to customize other dependency packages.

dependency_files

No

Array of Strings

Name of the resource package that has been uploaded to the DLI resource management system. This parameter is used to customize dependency files.

tm_cus

No

int

Number of CUs per TaskManager node.

tm_slot_num

No

int

Number of slots per TaskManager node.

image

No

String

Custom image. The format is Organization name/Image name:Image version.

This parameter is valid only when feature is set to custom. You can use this parameter with the feature parameter to specify a user-defined Flink image for job running.

feature

No

String

User-defined job feature. Type of the Flink image used by a job.

  • basic: indicates that the basic Flink image provided by DLI is used.
  • custom: indicates that the user-defined Flink image is used.

flink_version

No

String

Flink version. This parameter is valid only when feature is set to basic. You can use this parameter with the feature parameter to specify the version of the DLI basic Flink image used for job running.

operator_config

No

String

Operator's parallelism degree. The operator ID and degree of parallelism are displayed in JSON format.

static_estimator_config

No

String

Estimation of static flow diagram resources.

runtime_config

No

String

Customizes optimization parameters when a Flink job is running.

real_cu_number

No

Integer

Number of actually used CUs. The default value is 0, indicating that the value of cu_number is used.

Example Request

None

Example Response

  • The following example takes the flink_jar_job type as an example:
    {
        "is_success": "true",
        "message": "Job detail query succeeds.",
        "job_detail": {
            "job_id": 104,
            "user_id": "011c99a26ae84a1bb963a75e7637d3fd",
            "queue_name": "flinktest",
            "project_id": "330e068af1334c9782f4226acc00a2e2",
            "name": "jptest",
            "desc": "",
            "sql_body": "",
            "run_mode": "exclusive_cluster",
            "job_type": "flink_jar_job",
            "job_config": {
                "checkpoint_enabled": false,
                "checkpoint_interval": 10,
                "checkpoint_mode": "exactly_once",
                "log_enabled": false,
                "obs_bucket": null,
                "root_id": -1,
                "edge_group_ids": null,
                "graph_editor_enabled": false,
                "graph_editor_data": "",
                "manager_cu_number": 1,
                "executor_number": null,
                "executor_cu_number": null,
                "cu_number": 2,
                "parallel_number": 1,
                "smn_topic": null,
                "restart_when_exception": false,
                "idle_state_retention": 3600,
                "config_url": null,
                "udf_jar_url": null,
                "dirty_data_strategy": null,
                "entrypoint": "FemaleInfoCollection.jar",
                "dependency_jars": [
                    "FemaleInfoCollection.jar",
                    "ObsBatchTest.jar"
                ],
                "dependency_files": [
                    "FemaleInfoCollection.jar",
                    "ReadFromResource"
                ]
            },
            "main_class": null,
            "entrypoint_args": null,
            "execution_graph": null,
            "status": "job_init",
            "status_desc": "",
            "create_time": 1578466221525,
            "update_time": 1578467395713,
            "start_time": null
        }
    }
  • The following example takes the flink_opensource_sql_job type as an example:
    {
        "is_success": "true",
        "message": "The job information query succeeds.",
        "job_detail": {
            "job_type": "flink_opensource_sql_job",
            "status_desc": "",
            "create_time": 1637632872828,
            "sql_body": "xxx",
            "savepoint_path": null,
            "main_class": null,
            "queue_name": "xie_container_general",
            "execution_graph": "xxx",
            "start_time": 1638433497621,
            "update_time": 1638449337993,
            "job_config": {
                "checkpoint_enabled": true,
                "checkpoint_interval": 600,
                "checkpoint_mode": "exactly_once",
                "log_enabled": true,
                "obs_bucket": "dli-test",
                "root_id": -1,
                "edge_group_ids": null,
                "graph_editor_enabled": false,
                "graph_editor_data": "",
                "manager_cu_number": 1,
                "executor_number": null,
                "executor_cu_number": null,
                "cu_number": 2,
                "parallel_number": 3,
                "smn_topic": "",
                "restart_when_exception": true,
                "resume_checkpoint": true,
                "resume_max_num": -1,
                "checkpoint_path": null,
                "idle_state_retention": 3600,
                "config_url": null,
                "udf_jar_url": "test/flink_test-1.0-SNAPSHOT-jar-with-dependencies.jar",
                "dirty_data_strategy": "0",
                "entrypoint": "test/flink_test-1.0-SNAPSHOT-jar-with-dependencies.jar",
                "dependency_jars": null,
                "dependency_files": null,
                "tm_cus": 1,
                "tm_slot_num": 3,
                "image": null,
                "feature": null,
                "flink_version": null,
                "operator_config": "xxx",
                "static_estimator_config": "xxx",
                "runtime_config": null
            },
            "user_id": "xxx",
            "project_id": "xxx",
            "run_mode": "exclusive_cluster",
            "job_id": 90634,
            "name": "test_guoquan",
            "desc": "",
            "entrypoint_args": null,
            "status": "job_cancel_success"
        }
    }

Status Codes

Table 5 describes the status code.

Table 5 Status codes

Status Code

Description

200

Querying details of a job succeeds.

400

The input parameter is invalid.

Error Codes

If an error occurs when this API is invoked, the system does not return the result similar to the preceding example, but returns the error code and error information. For details, see Error Codes.

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