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Create

Creates a Greenplum® cluster in the specified folder.

import {
  cloudApi,
  decodeMessage,
  serviceClients,
  Session,
  waitForOperation,
} from "@yandex-cloud/nodejs-sdk";

const Cluster = cloudApi.dataproc.cluster.Cluster;
const CreateClusterRequest =
  cloudApi.dataproc.cluster_service.CreateClusterRequest;
const HadoopConfig_Service = cloudApi.dataproc.cluster.HadoopConfig_Service;
const Role = cloudApi.dataproc.subcluster.Role;

(async () => {
  const authToken = process.env["YC_OAUTH_TOKEN"];
  const session = new Session({ oauthToken: authToken });
  const client = session.client(serviceClients.ClusterServiceClient);

  const operation = await client.create(
    CreateClusterRequest.fromPartial({
      folderId: "folderId",
      // name: "name",
      // description: "description",
      // labels: {"key": "labels"},
      configSpec: {
        // versionId: "versionId",
        // hadoop: {
        // services: [HadoopConfig_Service.HDFS],
        // properties: {"key": "properties"},
        // sshPublicKeys: ["sshPublicKeys"],
        // initializationActions: [{
        // uri: "uri",
        // args: ["args"],
        // timeout: 0
        // }]
        // },
        // subclustersSpec: [{
        // name: "name",
        // role: Role.MASTERNODE,
        // resources: {
        // resourcePresetId: "resourcePresetId",
        // diskTypeId: "diskTypeId",
        // diskSize: 0
        // },
        // subnetId: "subnetId",
        // hostsCount: 0,
        // assignPublicIp: true,
        // autoscalingConfig: {
        // maxHostsCount: 0,
        // preemptible: true,
        // measurementDuration: {
        // seconds: 0,
        // nanos: 0
        // },
        // warmupDuration: {
        // seconds: 0,
        // nanos: 0
        // },
        // stabilizationDuration: {
        // seconds: 0,
        // nanos: 0
        // },
        // cpuUtilizationTarget: 0,
        // decommissionTimeout: 0
        // }
        // }]
      },
      zoneId: "zoneId",
      serviceAccountId: "serviceAccountId",
      // bucket: "bucket",
      // uiProxy: true,
      // securityGroupIds: ["securityGroupIds"],
      // hostGroupIds: ["hostGroupIds"],
      // deletionProtection: true,
      // logGroupId: "logGroupId"
    })
  );
  const finishedOp = await waitForOperation(operation, session);

  if (finishedOp.response) {
    const result = decodeMessage<typeof Cluster>(finishedOp.response);
    console.log(result);
  }
})();

CreateClusterRequest​

folderId : string​

ID of the folder to create the Greenplum® cluster in.

name : string​

Name of the Greenplum® cluster. The name must be unique within the folder.

description : string​

Description of the Greenplum® cluster.

labels : string​

Custom labels for the Greenplum® cluster as key:value pairs. For example, "project":"mvp" or "source":"dictionary".

environment : Cluster.Environment​

Deployment environment of the Greenplum® cluster.

config : GreenplumConfig​

Greenplum® cluster configuration.

masterConfig : MasterSubclusterConfigSpec​

Configuration of the Greenplum® master subcluster.

segmentConfig : SegmentSubclusterConfigSpec​

Configuration of the Greenplum® segment subcluster.

masterHostCount : int64​

Number of hosts in the master subcluster.

segmentInHost : int64​

Number of segments per host.

segmentHostCount : int64​

Number of hosts in the segment subcluster.

userName : string​

Owner user name.

userPassword : string​

Owner user password.

networkId : string​

ID of the network to create the cluster in.

securityGroupIds : string​

User security groups.

deletionProtection : bool​

Determines whether the cluster is protected from being deleted.

hostGroupIds : string​

Host groups to place VMs of the cluster in.

maintenanceWindow : MaintenanceWindow​

A Greenplum® cluster maintenance window. Should be defined by either one of the two options.

configSpec : ConfigSpec​

Configuration of Greenplum® and Odyssey®.

cloudStorage : CloudStorage​

Cloud storage settings

masterHostGroupIds : string​

Host groups hosting VMs of the master subcluster.

segmentHostGroupIds : string​

Host groups hosting VMs of the segment subcluster.

GreenplumConfig​

version : string​

Version of the Greenplum® server software.

backupWindowStart : google.type.TimeOfDay​

Time to start the daily backup, in the UTC timezone.

backupRetainPeriodDays : google.protobuf.Int64Value​

Retention policy of automated backups.

access : Access​

Access policy for external services.

zoneId : string​

ID of the availability zone the cluster belongs to. To get a list of available zones, use the yandex.cloud.compute.v1.ZoneService.List request.

subnetId : string​

ID of the subnet the cluster belongs to. This subnet should be a part of the cloud network the cluster belongs to (see Cluster.network_id).

assignPublicIp : bool​

Determines whether the cluster has a public IP address.

After the cluster has been created, this setting cannot be changed.

MasterSubclusterConfigSpec​

resources : Resources​

Resources allocated to Greenplum® master subcluster hosts.

SegmentSubclusterConfigSpec​

resources : Resources​

Resources allocated to Greenplum® segment subcluster hosts.

MaintenanceWindow​

One of policy​

  • anytime : AnytimeMaintenanceWindow​

    An any-time maintenance window.

  • weeklyMaintenanceWindow : WeeklyMaintenanceWindow​

    A weekly maintenance window.

ConfigSpec​

One of greenplumConfig​

  • greenplumConfig_6_17 : GreenplumConfig6_17​
  • greenplumConfig_6_19 : GreenplumConfig6_19​
  • greenplumConfig_6_21 : GreenplumConfig6_21​
  • greenplumConfig_6_22 : GreenplumConfig6_22​
  • greenplumConfig_6 : GreenplumConfig6​
pool : ConnectionPoolerConfig​

Odyssey® pool settings.

backgroundActivities : BackgroundActivitiesConfig​

Managed Greenplum® background tasks configuration.

pxfConfig : PXFConfig​

CloudStorage​

Cloud Storage Settings

enable : bool​

enable Cloud Storage for cluster

Access​

dataLens : bool​

Allows data export from the cluster to DataLens.

webSql : bool​

Allows SQL queries to the cluster databases from the management console.

dataTransfer : bool​

Allows access for DataTransfer.

yandexQuery : bool​

Allow access for YandexQuery.

Resources​

resourcePresetId : string​

ID of the preset for computational resources allocated to a host.

Available presets are listed in the documentation.

diskSize : int64​

Volume of the storage used by the host, in bytes.

diskTypeId : string​

Type of the storage used by the host: network-hdd, network-ssd or local-ssd.

AnytimeMaintenanceWindow​

An any-time maintenance window.

WeeklyMaintenanceWindow​

A weekly maintenance window.

WeekDay​
  • WEEK_DAY_UNSPECIFIED

  • MON

    Monday

  • TUE

    Tuesday

  • WED

    Wednesday

  • THU

    Thursday

  • FRI

    Friday

  • SAT

    Saturday

  • SUN

    Sunday

day : WeekDay​

Day of the week.

hour : int64​

Hour of the day in the UTC timezone.

GreenplumConfig6_17​

maxConnections : google.protobuf.Int64Value​

Maximum number of inbound connections on master segment.

maxSlotWalKeepSize : google.protobuf.Int64Value​

The maximum size of WAL files that replication slots are allowed to retain in the pg_wal directory at checkpoint time.

More info in PostgreSQL® documentation.

gpWorkfileLimitPerSegment : google.protobuf.Int64Value​

The maximum total disk size that all running queries are allowed to use for creating temporary spill files at each segment.

The default value is 0 (no limit).

More info in Greenplum® documentation.

gpWorkfileLimitPerQuery : google.protobuf.Int64Value​

The maximum disk size that an individual query is allowed to use for creating temporary spill files at each segment.

The default value is 0 (no limit).

More info in Greenplum® documentation.

gpWorkfileLimitFilesPerQuery : google.protobuf.Int64Value​

The maximum number of temporary spill files allowed per query at each segment.

Spill files, also known as workfiles, are created when a query requires more memory than there is allocated.

The current query is terminated if the limit is exceeded.

Set to zero to disable the limit.

Master session reloads if the parameter changes.

Default value is 10000.

More info in Greenplum® documentation.

maxPreparedTransactions : google.protobuf.Int64Value​

The maximum number of transactions that can be in the prepared state simultaneously.

More info in PostgreSQL® documentation.

gpWorkfileCompression : google.protobuf.BoolValue​

Whether the spill files are compressed or not.

More info in Greenplum® documentation.

GreenplumConfig6_19​

maxConnections : google.protobuf.Int64Value​

Maximum number of inbound connections on master segment.

maxSlotWalKeepSize : google.protobuf.Int64Value​

The maximum size of WAL files that replication slots are allowed to retain in the pg_wal directory at checkpoint time.

More info in PostgreSQL® documentation.

gpWorkfileLimitPerSegment : google.protobuf.Int64Value​

The maximum total disk size that all running queries are allowed to use for creating temporary spill files at each segment.

The default value is 0 (no limit).

More info in Greenplum® documentation.

gpWorkfileLimitPerQuery : google.protobuf.Int64Value​

The maximum disk size that an individual query is allowed to use for creating temporary spill files at each segment.

The default value is 0 (no limit).

More info in Greenplum® documentation.

gpWorkfileLimitFilesPerQuery : google.protobuf.Int64Value​

The maximum number of temporary spill files allowed per query at each segment.

Spill files, also known as workfiles, are created when a query requires more memory than there is allocated.

The current query is terminated if the limit is exceeded.

Set to zero to disable the limit.

Master session reloads if the parameter changes.

Default value is 10000.

More info in Greenplum® documentation.

maxPreparedTransactions : google.protobuf.Int64Value​

The maximum number of transactions that can be in the prepared state simultaneously.

More info in PostgreSQL® documentation.

gpWorkfileCompression : google.protobuf.BoolValue​

Whether the spill files are compressed or not.

More info in Greenplum® documentation.

maxStatementMem : google.protobuf.Int64Value​

The maximum memory limit for a query, in bytes.

Helps to avoid out-of-memory errors on a segment host during query processing as a result of setting statement_mem too high.

Taking into account the configuration of a single segment host, calculate max_statement_mem as follows: seghost_physical_memory / average_number_concurrent_queries.

When changing both max_statement_mem and statement_mem, max_statement_mem must be changed first, or listed first in the postgresql.conf file.

Default value is 2097152000 (2000 MB).

More info in Greenplum® documentation.

logStatement : LogStatement​

Logged SQL statements.

PREPARE and EXPLAIN ANALYZE statements are also logged if their contained command belongs to an appropriate type.

More info in Greenplum® documentation.

GreenplumConfig6_21​

maxConnections : google.protobuf.Int64Value​

Maximum number of inbound connections on master segment

maxSlotWalKeepSize : google.protobuf.Int64Value​

Specify the maximum size of WAL files that replication slots are allowed to retain in the pg_wal directory at checkpoint time. https://www.postgresql.org/docs/current/runtime-config-replication.html

gpWorkfileLimitPerSegment : google.protobuf.Int64Value​

Sets the maximum total disk size that all running queries are allowed to use for creating temporary spill files at each segment. The default value is 0, which means a limit is not enforced. https://docs.vmware.com/en/VMware-Greenplum/6/greenplum-database/ref_guide-config_params-guc-list.html#gp_workfile_limit_per_segment

gpWorkfileLimitPerQuery : google.protobuf.Int64Value​

Sets the maximum disk size an individual query is allowed to use for creating temporary spill files at each segment. The default value is 0, which means a limit is not enforced. https://docs.vmware.com/en/VMware-Greenplum/6/greenplum-database/ref_guide-config_params-guc-list.html#gp_workfile_limit_per_query

gpWorkfileLimitFilesPerQuery : google.protobuf.Int64Value​

Sets the maximum number of temporary spill files (also known as workfiles) allowed per query per segment. Spill files are created when executing a query that requires more memory than it is allocated. The current query is terminated when the limit is exceeded. Set the value to 0 (zero) to allow an unlimited number of spill files. master session reload https://docs.vmware.com/en/VMware-Greenplum/6/greenplum-database/ref_guide-config_params-guc-list.html#gp_workfile_limit_files_per_query Default value is 10000

maxPreparedTransactions : google.protobuf.Int64Value​

Sets the maximum number of transactions that can be in the "prepared" state simultaneously https://www.postgresql.org/docs/9.6/runtime-config-resource.html

gpWorkfileCompression : google.protobuf.BoolValue​

Specifies whether the temporary files created, when a hash aggregation or hash join operation spills to disk, are compressed. https://docs.vmware.com/en/VMware-Greenplum/6/greenplum-database/ref_guide-config_params-guc-list.html#gp_workfile_compression

maxStatementMem : google.protobuf.Int64Value​

Sets the maximum memory limit for a query. Helps avoid out-of-memory errors on a segment host during query processing as a result of setting statement_mem too high. Taking into account the configuration of a single segment host, calculate max_statement_mem as follows: (seghost_physical_memory) / (average_number_concurrent_queries) When changing both max_statement_mem and statement_mem, max_statement_mem must be changed first, or listed first in the postgresql.conf file. https://greenplum.docs.pivotal.io/6-19/ref_guide/config_params/guc-list.html#max_statement_mem Default value is 2097152000 (2000MB)

logStatement : LogStatement​

Controls which SQL statements are logged. DDL logs all data definition commands like CREATE, ALTER, and DROP commands. MOD logs all DDL statements, plus INSERT, UPDATE, DELETE, TRUNCATE, and COPY FROM. PREPARE and EXPLAIN ANALYZE statements are also logged if their contained command is of an appropriate type. https://docs.vmware.com/en/VMware-Greenplum/6/greenplum-database/ref_guide-config_params-guc-list.html#log_statement Default value is ddl

gpAddColumnInheritsTableSetting : google.protobuf.BoolValue​

https://docs.vmware.com/en/VMware-Tanzu-Greenplum/6/greenplum-database/GUID-ref_guide-config_params-guc-list.html#gp_add_column_inherits_table_setting

GreenplumConfig6_22​

maxConnections : google.protobuf.Int64Value​

Maximum number of inbound connections on master segment

maxSlotWalKeepSize : google.protobuf.Int64Value​

Specify the maximum size of WAL files that replication slots are allowed to retain in the pg_wal directory at checkpoint time. https://www.postgresql.org/docs/current/runtime-config-replication.html

gpWorkfileLimitPerSegment : google.protobuf.Int64Value​

Sets the maximum total disk size that all running queries are allowed to use for creating temporary spill files at each segment. The default value is 0, which means a limit is not enforced. https://docs.vmware.com/en/VMware-Greenplum/6/greenplum-database/ref_guide-config_params-guc-list.html#gp_workfile_limit_per_segment

gpWorkfileLimitPerQuery : google.protobuf.Int64Value​

Sets the maximum disk size an individual query is allowed to use for creating temporary spill files at each segment. The default value is 0, which means a limit is not enforced. https://docs.vmware.com/en/VMware-Greenplum/6/greenplum-database/ref_guide-config_params-guc-list.html#gp_workfile_limit_per_query

gpWorkfileLimitFilesPerQuery : google.protobuf.Int64Value​

Sets the maximum number of temporary spill files (also known as workfiles) allowed per query per segment. Spill files are created when executing a query that requires more memory than it is allocated. The current query is terminated when the limit is exceeded. Set the value to 0 (zero) to allow an unlimited number of spill files. master session reload https://docs.vmware.com/en/VMware-Greenplum/6/greenplum-database/ref_guide-config_params-guc-list.html#gp_workfile_limit_files_per_query Default value is 10000

maxPreparedTransactions : google.protobuf.Int64Value​

Sets the maximum number of transactions that can be in the "prepared" state simultaneously https://www.postgresql.org/docs/9.6/runtime-config-resource.html

gpWorkfileCompression : google.protobuf.BoolValue​

Specifies whether the temporary files created, when a hash aggregation or hash join operation spills to disk, are compressed. https://docs.vmware.com/en/VMware-Greenplum/6/greenplum-database/ref_guide-config_params-guc-list.html#gp_workfile_compression

maxStatementMem : google.protobuf.Int64Value​

Sets the maximum memory limit for a query. Helps avoid out-of-memory errors on a segment host during query processing as a result of setting statement_mem too high. Taking into account the configuration of a single segment host, calculate max_statement_mem as follows: (seghost_physical_memory) / (average_number_concurrent_queries) When changing both max_statement_mem and statement_mem, max_statement_mem must be changed first, or listed first in the postgresql.conf file. https://greenplum.docs.pivotal.io/6-19/ref_guide/config_params/guc-list.html#max_statement_mem Default value is 2097152000 (2000MB)

logStatement : LogStatement​

Controls which SQL statements are logged. DDL logs all data definition commands like CREATE, ALTER, and DROP commands. MOD logs all DDL statements, plus INSERT, UPDATE, DELETE, TRUNCATE, and COPY FROM. PREPARE and EXPLAIN ANALYZE statements are also logged if their contained command is of an appropriate type. https://docs.vmware.com/en/VMware-Greenplum/6/greenplum-database/ref_guide-config_params-guc-list.html#log_statement Default value is ddl

gpAddColumnInheritsTableSetting : google.protobuf.BoolValue​

https://docs.vmware.com/en/VMware-Tanzu-Greenplum/6/greenplum-database/GUID-ref_guide-config_params-guc-list.html#gp_add_column_inherits_table_setting

GreenplumConfig6​

maxConnections : google.protobuf.Int64Value​

Maximum number of inbound connections on master segment

maxSlotWalKeepSize : google.protobuf.Int64Value​

Specify the maximum size of WAL files that replication slots are allowed to retain in the pg_wal directory at checkpoint time. https://www.postgresql.org/docs/current/runtime-config-replication.html

gpWorkfileLimitPerSegment : google.protobuf.Int64Value​

Sets the maximum total disk size that all running queries are allowed to use for creating temporary spill files at each segment. The default value is 0, which means a limit is not enforced. https://docs.greenplum.org/6-5/ref_guide/config_params/guc-list.html#gp_workfile_limit_per_segment

gpWorkfileLimitPerQuery : google.protobuf.Int64Value​

Sets the maximum disk size an individual query is allowed to use for creating temporary spill files at each segment. The default value is 0, which means a limit is not enforced. https://docs.greenplum.org/6-5/ref_guide/config_params/guc-list.html#gp_workfile_limit_per_query

gpWorkfileLimitFilesPerQuery : google.protobuf.Int64Value​

Sets the maximum number of temporary spill files (also known as workfiles) allowed per query per segment. Spill files are created when executing a query that requires more memory than it is allocated. The current query is terminated when the limit is exceeded. Set the value to 0 (zero) to allow an unlimited number of spill files. master session reload https://docs.greenplum.org/6-5/ref_guide/config_params/guc-list.html#gp_workfile_limit_files_per_query Default value is 10000

maxPreparedTransactions : google.protobuf.Int64Value​

Sets the maximum number of transactions that can be in the "prepared" state simultaneously https://www.postgresql.org/docs/9.6/runtime-config-resource.html

gpWorkfileCompression : google.protobuf.BoolValue​

Specifies whether the temporary files created, when a hash aggregation or hash join operation spills to disk, are compressed. https://docs.greenplum.org/6-5/ref_guide/config_params/guc-list.html#gp_workfile_compression

maxStatementMem : google.protobuf.Int64Value​

Sets the maximum memory limit for a query. Helps avoid out-of-memory errors on a segment host during query processing as a result of setting statement_mem too high. Taking into account the configuration of a single segment host, calculate max_statement_mem as follows: (seghost_physical_memory) / (average_number_concurrent_queries) When changing both max_statement_mem and statement_mem, max_statement_mem must be changed first, or listed first in the postgresql.conf file. https://greenplum.docs.pivotal.io/6-19/ref_guide/config_params/guc-list.html#max_statement_mem Default value is 2097152000 (2000MB)

logStatement : LogStatement​

Controls which SQL statements are logged. DDL logs all data definition commands like CREATE, ALTER, and DROP commands. MOD logs all DDL statements, plus INSERT, UPDATE, DELETE, TRUNCATE, and COPY FROM. PREPARE and EXPLAIN ANALYZE statements are also logged if their contained command is of an appropriate type. https://docs.greenplum.org/6-5/ref_guide/config_params/guc-list.html#log_statement Default value is ddl

gpAddColumnInheritsTableSetting : google.protobuf.BoolValue​

https://docs.vmware.com/en/VMware-Tanzu-Greenplum/6/greenplum-database/GUID-ref_guide-config_params-guc-list.html#gp_add_column_inherits_table_setting

ConnectionPoolerConfig​

PoolMode​
  • POOL_MODE_UNSPECIFIED

  • SESSION

    Assign server connection to a client until it disconnects. Default value.

  • TRANSACTION

    Assign server connection to a client for a transaction processing.

mode : PoolMode​

Route server pool mode.

size : google.protobuf.Int64Value​

The number of servers in the server pool. Clients are placed in a wait queue when all servers are busy.

Set to zero to disable the limit.

clientIdleTimeout : google.protobuf.Int64Value​

Server pool idle timeout, in seconds.

A server connection closes after being idle for the specified time.

Set to zero to disable the limit.

BackgroundActivitiesConfig​

tableSizes : TableSizes​

Enables scripts that collects tables sizes to *_sizes tables in mdb_toolkit schema.

analyzeAndVacuum : AnalyzeAndVacuum​

Configuration for ANALYZE and VACUUM operations.

queryKillerScripts : QueryKillerScripts​

Configuration for long running queries killer.

PXFConfig​

connectionTimeout : google.protobuf.Int64Value​

Timeout for connection to the Apache Tomcat® server when making read requests.

Specify values in seconds.

uploadTimeout : google.protobuf.Int64Value​

Timeout for connection to the Apache Tomcat® server when making write requests.

Specify the values in seconds.

maxThreads : google.protobuf.Int64Value​

Maximum number of the Apache Tomcat® threads.

To prevent situations when requests get stuck or fail due to running out of memory or malfunctioning of the Java garbage collector, specify the number of the Apache Tomcat® threads. Learn more about adjusting the number of threads in the VMware Greenplum® Platform Extension Framework documentation.

poolAllowCoreThreadTimeout : google.protobuf.BoolValue​

Determines whether the timeout for core streaming threads is permitted.

poolCoreSize : google.protobuf.Int64Value​

Number of core streaming threads per pool.

poolQueueCapacity : google.protobuf.Int64Value​

Maximum number of requests you can add to a pool queue for core streaming threads.

If 0, no pool queue is generated.

poolMaxSize : google.protobuf.Int64Value​

Maximum allowed number of core streaming threads.

xmx : google.protobuf.Int64Value​

Initial size, in megabytes, of the JVM heap for the PXF daemon.

xms : google.protobuf.Int64Value​

Maximum size, in megabytes, of the JVM heap for the PXF daemon.

TableSizes​

starts : BackgroundActivityStartAt​

AnalyzeAndVacuum​

start : BackgroundActivityStartAt​
analyzeTimeout : google.protobuf.Int64Value​

Maximum duration of the ANALYZE operation, in seconds. The default value is 36000. As soon as this period expires, the ANALYZE operation will be forced to terminate.

vacuumTimeout : google.protobuf.Int64Value​

Maximum duration of the VACUUM operation, in seconds. The default value is 36000. As soon as this period expires, the VACUUM operation will be forced to terminate.

QueryKillerScripts​

idle : QueryKiller​

Configuration of script that kills long running queries that are in idle state.

idleInTransaction : QueryKiller​

Configuration of script that kills long running queries that are in idle in transaction state.

longRunning : QueryKiller​

Configuration of script that kills long running queries (in any state).

BackgroundActivityStartAt​

hours : int64​
minutes : int64​

QueryKiller​

enable : google.protobuf.BoolValue​
maxAge : google.protobuf.Int64Value​

Maximum duration for this type of queries (in seconds).

ignoreUsers : string​

Ignore these users when considering queries to terminate

Operation​

An Operation resource. For more information, see Operation.

id : string​

ID of the operation.

description : string​

Description of the operation. 0-256 characters long.

createdAt : google.protobuf.Timestamp​

Creation timestamp.

createdBy : string​

ID of the user or service account who initiated the operation.

modifiedAt : google.protobuf.Timestamp​

The time when the Operation resource was last modified.

done : bool​

If the value is false, it means the operation is still in progress. If true, the operation is completed, and either error or response is available.

metadata : google.protobuf.Any​

Service-specific metadata associated with the operation. It typically contains the ID of the target resource that the operation is performed on. Any method that returns a long-running operation should document the metadata type, if any.

One of result​

The operation result. If done == false and there was no failure detected, neither error nor response is set. If done == false and there was a failure detected, error is set. If done == true, exactly one of error or response is set.

  • error : google.rpc.Status​

    The error result of the operation in case of failure or cancellation.

  • response : google.protobuf.Any​
    The normal response of the operation in case of success.

    If the original method returns no data on success, such as Delete, the response is google.protobuf.Empty. If the original method is the standard Create/Update, the response should be the target resource of the operation. Any method that returns a long-running operation should document the response type, if any.