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    Method: projects.instances.patch

    Updates an instance, and begins allocating or releasing resources as requested. The returned long-running operation can be used to track the progress of updating the instance. If the named instance does not exist, returns NOT_FOUND .

    Immediately upon completion of this request:

    • For resource types for which a decrease in the instance's allocation has been requested, billing is based on the newly-requested level.

    Until completion of the returned operation:

    • Cancelling the operation sets its metadata's cancelTime , and begins restoring resources to their pre-request values. The operation is guaranteed to succeed at undoing all resource changes, after which point it terminates with a CANCELLED status.
    • All other attempts to modify the instance are rejected.
    • Reading the instance via the API continues to give the pre-request resource levels.

    Upon completion of the returned operation:

    • Billing begins for all successfully-allocated resources (some types may have lower than the requested levels).
    • All newly-reserved resources are available for serving the instance's tables.
    • The instance's new resource levels are readable via the API.

    The returned long-running operation will have a name of the format <instance_name>/operations/<operationId> and can be used to track the instance modification. The metadata field type is UpdateInstanceMetadata . The response field type is Instance , if successful.

    Authorization requires spanner.instances.update permission on the resource name .

    HTTP request


    The URLs use gRPC Transcoding syntax.

    Path parameters

    Parameters
    instance.name

    string

    Required. A unique identifier for the instance, which cannot be changed after the instance is created. Values are of the form projects/<project>/instances/[a-z][-a-z0-9]*[a-z0-9] . The final segment of the name must be between 2 and 64 characters in length.

    Request body

    The request body contains data with the following structure:

    JSON representation 
     { 
 "instance" 
 : 
 { 
 "name" 
 : 
 string 
 , 
 "config" 
 : 
 string 
 , 
 "displayName" 
 : 
 string 
 , 
 "nodeCount" 
 : 
 integer 
 , 
 "processingUnits" 
 : 
 integer 
 , 
 "replicaComputeCapacity" 
 : 
 [ 
 { 
 "replicaSelection" 
 : 
 { 
 object (  ReplicaSelection 
 
) 
 } 
 , 
 // Union field compute_capacity 
can be only one of the following: 
 "nodeCount" 
 : 
 integer 
 , 
 "processingUnits" 
 : 
 integer 
 // End of list of possible types for union field compute_capacity 
. 
 } 
 ] 
 , 
 "autoscalingConfig" 
 : 
 { 
 "autoscalingLimits" 
 : 
 { 
 object (  AutoscalingLimits 
 
) 
 } 
 , 
 "autoscalingTargets" 
 : 
 { 
 object (  AutoscalingTargets 
 
) 
 } 
 , 
 "asymmetricAutoscalingOptions" 
 : 
 [ 
 { 
 object (  AsymmetricAutoscalingOption 
 
) 
 } 
 ] 
 } 
 , 
 "state" 
 : 
 enum (  State 
 
) 
 , 
 "labels" 
 : 
 { 
 string 
 : 
 string 
 , 
 ... 
 } 
 , 
 "instanceType" 
 : 
 enum (  InstanceType 
 
) 
 , 
 "endpointUris" 
 : 
 [ 
 string 
 ] 
 , 
 "createTime" 
 : 
 string 
 , 
 "updateTime" 
 : 
 string 
 , 
 "freeInstanceMetadata" 
 : 
 { 
 "expireTime" 
 : 
 string 
 , 
 "upgradeTime" 
 : 
 string 
 , 
 "expireBehavior" 
 : 
 enum (  ExpireBehavior 
 
) 
 } 
 , 
 "edition" 
 : 
 enum (  Edition 
 
) 
 , 
 "defaultBackupScheduleType" 
 : 
 enum (  DefaultBackupScheduleType 
 
) 
 } 
 , 
 "fieldMask" 
 : 
 string 
 }
    Fields
    instance.config

    string

    Required. The name of the instance's configuration. Values are of the form projects/<project>/instanceConfigs/<configuration> . See also InstanceConfig and instanceConfigs.list .

    instance.displayName

    string

    Required. The descriptive name for this instance as it appears in UIs. Must be unique per project and between 4 and 30 characters in length.

    instance.nodeCount

    integer

    The number of nodes allocated to this instance. At most, one of either nodeCount or processingUnits should be present in the message.

    Users can set the nodeCount field to specify the target number of nodes allocated to the instance.

    If autoscaling is enabled, nodeCount is treated as an OUTPUT_ONLY field and reflects the current number of nodes allocated to the instance.

    This might be zero in API responses for instances that are not yet in the READY state.

    If the instance has varying node count across replicas (achieved by setting asymmetricAutoscalingOptions in the autoscaling configuration), the nodeCount set here is the maximum node count across all replicas.

    For more information, see Compute capacity, nodes, and processing units .

    instance.processingUnits

    integer

    The number of processing units allocated to this instance. At most, one of either processingUnits or nodeCount should be present in the message.

    Users can set the processingUnits field to specify the target number of processing units allocated to the instance.

    If autoscaling is enabled, processingUnits is treated as an OUTPUT_ONLY field and reflects the current number of processing units allocated to the instance.

    This might be zero in API responses for instances that are not yet in the READY state.

    If the instance has varying processing units per replica (achieved by setting asymmetricAutoscalingOptions in the autoscaling configuration), the processingUnits set here is the maximum processing units across all replicas.

    For more information, see Compute capacity, nodes and processing units .

    instance.replicaComputeCapacity[]

    object ( ReplicaComputeCapacity )

    Output only. Lists the compute capacity per ReplicaSelection. A replica selection identifies a set of replicas with common properties. Replicas identified by a ReplicaSelection are scaled with the same compute capacity.

    instance.autoscalingConfig

    object ( AutoscalingConfig )

    Optional. The autoscaling configuration. Autoscaling is enabled if this field is set. When autoscaling is enabled, nodeCount and processingUnits are treated as OUTPUT_ONLY fields and reflect the current compute capacity allocated to the instance.

    instance.state

    enum ( State )

    Output only. The current instance state. For instances.create , the state must be either omitted or set to CREATING . For instances.patch , the state must be either omitted or set to READY .

    instance.labels

    map (key: string, value: string)

    Cloud Labels are a flexible and lightweight mechanism for organizing cloud resources into groups that reflect a customer's organizational needs and deployment strategies. Cloud Labels can be used to filter collections of resources. They can be used to control how resource metrics are aggregated. And they can be used as arguments to policy management rules (e.g. route, firewall, load balancing, etc.).

    • Label keys must be between 1 and 63 characters long and must conform to the following regular expression: [a-z][a-z0-9_-]{0,62} .
    • Label values must be between 0 and 63 characters long and must conform to the regular expression [a-z0-9_-]{0,63} .
    • No more than 64 labels can be associated with a given resource.

    See https://goo.gl/xmQnxf for more information on and examples of labels.

    If you plan to use labels in your own code, please note that additional characters may be allowed in the future. And so you are advised to use an internal label representation, such as JSON, which doesn't rely upon specific characters being disallowed. For example, representing labels as the string: name + "_" + value would prove problematic if we were to allow "_" in a future release.

    instance.instanceType

    enum ( InstanceType )

    The InstanceType of the current instance.

    instance.endpointUris[]

    string

    Deprecated. This field is not populated.

    instance.createTime

    string ( Timestamp format)

    Output only. The time at which the instance was created.

    Uses RFC 3339, where generated output will always be Z-normalized and uses 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .

    instance.updateTime

    string ( Timestamp format)

    Output only. The time at which the instance was most recently updated.

    Uses RFC 3339, where generated output will always be Z-normalized and uses 0, 3, 6 or 9 fractional digits. Offsets other than "Z" are also accepted. Examples: "2014-10-02T15:01:23Z" , "2014-10-02T15:01:23.045123456Z" or "2014-10-02T15:01:23+05:30" .

    instance.freeInstanceMetadata

    object ( FreeInstanceMetadata )

    Free instance metadata. Only populated for free instances.

    instance.edition

    enum ( Edition )

    Optional. The Edition of the current instance.

    instance.defaultBackupScheduleType

    enum ( DefaultBackupScheduleType )

    Optional. Controls the default backup schedule behavior for new databases within the instance. By default, a backup schedule is created automatically when a new database is created in a new instance.

    Note that the AUTOMATIC value isn't permitted for free instances, as backups and backup schedules aren't supported for free instances.

    In the instances.get or instances.list response, if the value of defaultBackupScheduleType isn't set, or set to NONE , Spanner doesn't create a default backup schedule for new databases in the instance.

    fieldMask

    string ( FieldMask format)

    Required. A mask specifying which fields in Instance should be updated. The field mask must always be specified; this prevents any future fields in Instance from being erased accidentally by clients that do not know about them.

    This is a comma-separated list of fully qualified names of fields. Example: "user.displayName,photo" .

    Response body

    If successful, the response body contains an instance of Operation .

    Authorization scopes

    Requires one of the following OAuth scopes:

    • https://www.googleapis.com/auth/spanner.admin
    • https://www.googleapis.com/auth/cloud-platform

    For more information, see the Authentication Overview .
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