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APIs.md

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Packages:

numaflow.numaproj.io/v1alpha1

Resource Types:

AbstractPodTemplate

(Appears on: AbstractVertex, DaemonTemplate, JetStreamBufferService, JobTemplate, NativeRedis)

AbstractPodTemplate provides a template for pod customization in vertices, daemon deployments and so on.

Field Description
metadata
Metadata 		(Optional)

Metadata sets the pods’s metadata, i.e. annotations and labels

nodeSelector
map\[string\]string 		(Optional)

NodeSelector is a selector which must be true for the pod to fit on a node. Selector which must match a node’s labels for the pod to be scheduled on that node. More info: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/

tolerations
\[\]Kubernetes core/v1.Toleration 		(Optional)

If specified, the pod’s tolerations.

securityContext
Kubernetes core/v1.PodSecurityContext 		(Optional)

SecurityContext holds pod-level security attributes and common container settings. Optional: Defaults to empty. See type description for default values of each field.

imagePullSecrets
\[\]Kubernetes core/v1.LocalObjectReference 		(Optional)

ImagePullSecrets is an optional list of references to secrets in the same namespace to use for pulling any of the images used by this PodSpec. If specified, these secrets will be passed to individual puller implementations for them to use. For example, in the case of docker, only DockerConfig type secrets are honored. More info: https://kubernetes.io/docs/concepts/containers/images#specifying-imagepullsecrets-on-a-pod

priorityClassName
string 		(Optional)

If specified, indicates the Redis pod’s priority. “system-node-critical” and “system-cluster-critical” are two special keywords which indicate the highest priorities with the former being the highest priority. Any other name must be defined by creating a PriorityClass object with that name. If not specified, the pod priority will be default or zero if there is no default. More info: https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/

priority
int32 		(Optional)

The priority value. Various system components use this field to find the priority of the Redis pod. When Priority Admission Controller is enabled, it prevents users from setting this field. The admission controller populates this field from PriorityClassName. The higher the value, the higher the priority. More info: https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/

affinity
Kubernetes core/v1.Affinity 		(Optional)

The pod’s scheduling constraints More info: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/

serviceAccountName
string 		(Optional)

ServiceAccountName applied to the pod

AbstractVertex

(Appears on: PipelineSpec, VertexSpec)

Field Description
name
string
source
Source 		(Optional)
sink
Sink 		(Optional)
udf
UDF 		(Optional)
containerTemplate
ContainerTemplate 		(Optional)
initContainerTemplate
ContainerTemplate 		(Optional)
AbstractPodTemplate
AbstractPodTemplate

(Members of AbstractPodTemplate are embedded into this type.)

(Optional)
volumes
\[\]Kubernetes core/v1.Volume 		(Optional)
limits
VertexLimits 		(Optional)

Limits define the limitations such as buffer read batch size for all the vertices of a pipeline, will override pipeline level settings

scale
Scale 		(Optional)

Settings for autoscaling

initContainers
\[\]Kubernetes core/v1.Container 		(Optional)

List of init containers belonging to the pod. More info: https://kubernetes.io/docs/concepts/workloads/pods/init-containers/

sidecars
\[\]Kubernetes core/v1.Container 		(Optional)

List of sidecar containers belonging to the pod.

Authorization

(Appears on: HTTPSource)

Field Description
token
Kubernetes core/v1.SecretKeySelector 		(Optional)

A secret selector which contains bearer token To use this, the client needs to add “Authorization: Bearer ” in the header

Blackhole

(Appears on: Sink)

Blackhole is a sink to emulate /dev/null

Buffer

Field Description
Name
string
Type
BufferType

BufferServiceConfig

(Appears on: InterStepBufferServiceStatus)

Field Description
redis
RedisConfig
jetstream
JetStreamConfig

BufferType (string alias)

(Appears on: Buffer)

ConditionType (string alias)

ConditionType is a valid value of Condition.Type

Container

(Appears on: UDF, UDSink)

Field Description
image
string 		(Optional)
command
\[\]string 		(Optional)
args
\[\]string 		(Optional)
env
\[\]Kubernetes core/v1.EnvVar 		(Optional)
volumeMounts
\[\]Kubernetes core/v1.VolumeMount 		(Optional)
resources
Kubernetes core/v1.ResourceRequirements 		(Optional)

ContainerTemplate

(Appears on: AbstractVertex, DaemonTemplate, JetStreamBufferService, JobTemplate, NativeRedis)

ContainerTemplate defines customized spec for a container

Field Description
resources
Kubernetes core/v1.ResourceRequirements
imagePullPolicy
Kubernetes core/v1.PullPolicy
securityContext
Kubernetes core/v1.SecurityContext
env
\[\]Kubernetes core/v1.EnvVar

DaemonTemplate

(Appears on: Templates)

Field Description
AbstractPodTemplate
AbstractPodTemplate

(Members of AbstractPodTemplate are embedded into this type.)

(Optional)
replicas
int32 		(Optional)

Replicas is the number of desired replicas of the Deployment. This is a pointer to distinguish between explicit zero and unspecified. Defaults to 1. More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#what-is-a-replicationcontroller

containerTemplate
ContainerTemplate 		(Optional)
initContainerTemplate
ContainerTemplate 		(Optional)

Edge

(Appears on: PipelineSpec, VertexSpec)

Field Description
from
string
to
string
conditions
ForwardConditions 		(Optional)

Conditional forwarding, only allowed when “From” is a Sink or UDF.

limits
EdgeLimits 		(Optional)

Limits define the limitations such as buffer read batch size for the edge, will override pipeline level settings.

parallelism
int32 		(Optional)

Parallelism is only effective when the “to” vertex is a reduce vertex, if it’s provided, the default value is set to “1”. Parallelism is ignored when the “to” vertex is not a reduce vertex.

EdgeLimits

(Appears on: Edge)

Field Description
bufferMaxLength
uint64 		(Optional)

BufferMaxLength is used to define the max length of a buffer. It overrides the settings from pipeline limits.

bufferUsageLimit
uint32 		(Optional)

BufferUsageLimit is used to define the percentage of the buffer usage limit, a valid value should be less than 100, for example, 85. It overrides the settings from pipeline limits.

FixedWindow

(Appears on: Window)

FixedWindow describes a fixed window

Field Description
length
Kubernetes meta/v1.Duration

ForwardConditions

(Appears on: Edge)

Field Description
keyIn
\[\]string

Function

(Appears on: UDF)

Field Description
name
string
args
\[\]string 		(Optional)
kwargs
map\[string\]string 		(Optional)

GeneratorSource

(Appears on: Source)

Field Description
rpu
int64 		(Optional)
duration
Kubernetes meta/v1.Duration 		(Optional)
msgSize
int32 		(Optional)

Size of each generated message

GetDaemonDeploymentReq

Field Description
ISBSvcType
ISBSvcType
Image
string
PullPolicy
Kubernetes core/v1.PullPolicy
Env
\[\]Kubernetes core/v1.EnvVar

GetJetStreamServiceSpecReq

Field Description
Labels
map\[string\]string
ClusterPort
int32
ClientPort
int32
MonitorPort
int32
MetricsPort
int32

GetJetStreamStatefulSetSpecReq

Field Description
ServiceName
string
Labels
map\[string\]string
NatsImage
string
MetricsExporterImage
string
ConfigReloaderImage
string
ClusterPort
int32
ClientPort
int32
MonitorPort
int32
MetricsPort
int32
ServerAuthSecretName
string
ServerEncryptionSecretName
string
ConfigMapName
string
PvcNameIfNeeded
string
StartCommand
string

GetRedisServiceSpecReq

Field Description
Labels
map\[string\]string
RedisContainerPort
int32
SentinelContainerPort
int32

GetRedisStatefulSetSpecReq

Field Description
ServiceName
string
Labels
map\[string\]string
RedisImage
string
SentinelImage
string
MetricsExporterImage
string
InitContainerImage
string
RedisContainerPort
int32
SentinelContainerPort
int32
RedisMetricsContainerPort
int32
CredentialSecretName
string
TLSEnabled
bool
PvcNameIfNeeded
string
ConfConfigMapName
string
ScriptsConfigMapName
string
HealthConfigMapName
string

GetVertexPodSpecReq

Field Description
ISBSvcType
ISBSvcType
Image
string
PullPolicy
Kubernetes core/v1.PullPolicy
Env
\[\]Kubernetes core/v1.EnvVar

GroupBy

(Appears on: UDF)

GroupBy indicates it is a reducer UDF

Field Description
window
Window

Window describes the windowing strategy.

keyed
bool 		(Optional)
storage
PBQStorage 		(Optional)

Storage is used to define the PBQ storage for a reduce vertex.

HTTPSource

(Appears on: Source)

Field Description
auth
Authorization 		(Optional)
service
bool 		(Optional)

Whether to create a ClusterIP Service

ISBSvcPhase (string alias)

(Appears on: InterStepBufferServiceStatus)

ISBSvcType (string alias)

(Appears on: GetDaemonDeploymentReq, GetVertexPodSpecReq, InterStepBufferServiceStatus)

InterStepBufferService

Field Description
metadata
Kubernetes meta/v1.ObjectMeta 		Refer to the Kubernetes API documentation for the fields of the metadata field.
spec
InterStepBufferServiceSpec

redis
RedisBufferService
jetstream
JetStreamBufferService
status
InterStepBufferServiceStatus 		(Optional)

InterStepBufferServiceSpec

(Appears on: InterStepBufferService)

Field Description
redis
RedisBufferService
jetstream
JetStreamBufferService

InterStepBufferServiceStatus

(Appears on: InterStepBufferService)

Field Description
Status
Status

(Members of Status are embedded into this type.)

phase
ISBSvcPhase
message
string
config
BufferServiceConfig
type
ISBSvcType

JetStreamBufferService

(Appears on: InterStepBufferServiceSpec)

Field Description
version
string

JetStream version, such as “2.7.1”

replicas
int32

Redis StatefulSet size

containerTemplate
ContainerTemplate 		(Optional)

ContainerTemplate contains customized spec for NATS container

reloaderContainerTemplate
ContainerTemplate 		(Optional)

ReloaderContainerTemplate contains customized spec for config reloader container

metricsContainerTemplate
ContainerTemplate 		(Optional)

MetricsContainerTemplate contains customized spec for metrics container

persistence
PersistenceStrategy 		(Optional)
AbstractPodTemplate
AbstractPodTemplate

(Members of AbstractPodTemplate are embedded into this type.)

(Optional)
settings
string 		(Optional)

JetStream configuration, if not specified, global settings in numaflow-controller-config will be used. See https://docs.nats.io/running-a-nats-service/configuration#jetstream. Only configure “max_memory_store” or “max_file_store”, do not set “store_dir” as it has been hardcoded.

startArgs
\[\]string 		(Optional)

Optional arguments to start nats-server. For example, “-D” to enable debugging output, “-DV” to enable debugging and tracing. Check https://docs.nats.io/ for all the available arguments.

bufferConfig
string 		(Optional)

Optional configuration for the streams, consumers and buckets to be created in this JetStream service, if specified, it will be merged with the default configuration in numaflow-controller-config. It accepts a YAML format configuration, it may include 4 sections, “stream”, “consumer”, “otBucket” and “procBucket”. Available fields under “stream” include “retention” (e.g. interest, limits, workerQueue), “maxMsgs”, “maxAge” (e.g. 72h), “replicas” (1, 3, 5), “duplicates” (e.g. 5m). Available fields under “consumer” include “ackWait” (e.g. 60s) Available fields under “otBucket” include “maxValueSize”, “history”, “ttl” (e.g. 72h), “maxBytes”, “replicas” (1, 3, 5). Available fields under “procBucket” include “maxValueSize”, “history”, “ttl” (e.g. 72h), “maxBytes”, “replicas” (1, 3, 5).

encryption
bool 		(Optional)

Whether encrypt the data at rest, defaults to false Enabling encryption might impact the performance, see https://docs.nats.io/running-a-nats-service/nats_admin/jetstream_admin/encryption_at_rest for the detail Toggling the value will impact encypting/decrypting existing messages.

tls
bool 		(Optional)

Whether enable TLS, defaults to false Enabling TLS might impact the performance

JetStreamConfig

(Appears on: BufferServiceConfig)

Field Description
url
string

JetStream (NATS) URL

auth
NATSAuth
bufferConfig
string 		(Optional)
tlsEnabled
bool

TLS enabled or not

JobTemplate

(Appears on: Templates)

Field Description
AbstractPodTemplate
AbstractPodTemplate

(Members of AbstractPodTemplate are embedded into this type.)

(Optional)
containerTemplate
ContainerTemplate 		(Optional)
ttlSecondsAfterFinished
int32 		(Optional)

ttlSecondsAfterFinished limits the lifetime of a Job that has finished execution (either Complete or Failed). If this field is set, ttlSecondsAfterFinished after the Job finishes, it is eligible to be automatically deleted. When the Job is being deleted, its lifecycle guarantees (e.g. finalizers) will be honored. If this field is unset, the Job won’t be automatically deleted. If this field is set to zero, the Job becomes eligible to be deleted immediately after it finishes. Numaflow defaults to 30

backoffLimit
int32 		(Optional)

Specifies the number of retries before marking this job failed. More info: https://kubernetes.io/docs/concepts/workloads/controllers/job/#pod-backoff-failure-policy Numaflow defaults to 20

KafkaSink

(Appears on: Sink)

Field Description
brokers
\[\]string
topic
string
tls
TLS 		(Optional)

TLS user to configure TLS connection for kafka broker TLS.enable=true default for TLS.

config
string 		(Optional)

KafkaSource

(Appears on: Source)

Field Description
brokers
\[\]string
topic
string
consumerGroup
string
tls
TLS 		(Optional)

TLS user to configure TLS connection for kafka broker TLS.enable=true default for TLS.

config
string 		(Optional)

Lifecycle

(Appears on: PipelineSpec)

Field Description
deleteGracePeriodSeconds
int32 		(Optional)

DeleteGracePeriodSeconds used to delete pipeline gracefully

desiredPhase
PipelinePhase 		(Optional)

DesiredPhase used to bring the pipeline from current phase to desired phase

Log

(Appears on: Sink)

Metadata

(Appears on: AbstractPodTemplate)

Field Description
annotations
map\[string\]string
labels
map\[string\]string

NATSAuth

(Appears on: JetStreamConfig)

Field Description
user
Kubernetes core/v1.SecretKeySelector 		(Optional)

Secret for auth user

password
Kubernetes core/v1.SecretKeySelector 		(Optional)

Secret for auth password

NativeRedis

(Appears on: RedisBufferService)

Field Description
version
string

Redis version, such as “6.0.16”

replicas
int32

Redis StatefulSet size

redisContainerTemplate
ContainerTemplate 		(Optional)

RedisContainerTemplate contains customized spec for Redis container

sentinelContainerTemplate
ContainerTemplate 		(Optional)

SentinelContainerTemplate contains customized spec for Redis container

metricsContainerTemplate
ContainerTemplate 		(Optional)

MetricsContainerTemplate contains customized spec for metrics container

initContainerTemplate
ContainerTemplate 		(Optional)
persistence
PersistenceStrategy 		(Optional)
AbstractPodTemplate
AbstractPodTemplate

(Members of AbstractPodTemplate are embedded into this type.)

(Optional)
settings
RedisSettings 		(Optional)

Redis configuration, if not specified, global settings in numaflow-controller-config will be used.

PBQStorage

(Appears on: GroupBy)

PBQStorage defines the persistence configuration for a vertex.

Field Description
persistentVolumeClaim
PersistenceStrategy

PersistenceStrategy

(Appears on: JetStreamBufferService, NativeRedis, PBQStorage)

PersistenceStrategy defines the strategy of persistence

Field Description
storageClassName
string 		(Optional)

Name of the StorageClass required by the claim. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1

accessMode
Kubernetes core/v1.PersistentVolumeAccessMode 		(Optional)

Available access modes such as ReadWriteOnce, ReadWriteMany https://kubernetes.io/docs/concepts/storage/persistent-volumes/#access-modes

volumeSize
k8s.io/apimachinery/pkg/api/resource.Quantity

Volume size, e.g. 50Gi

Pipeline

Field Description
metadata
Kubernetes meta/v1.ObjectMeta 		Refer to the Kubernetes API documentation for the fields of the metadata field.
spec
PipelineSpec

interStepBufferServiceName
string 		(Optional)
vertices
\[\]AbstractVertex
edges
\[\]Edge

Edges define the relationships between vertices

lifecycle
Lifecycle 		(Optional)

Lifecycle define the Lifecycle properties

limits
PipelineLimits 		(Optional)

Limits define the limitations such as buffer read batch size for all the vertices of a pipeline, they could be overridden by each vertex’s settings

watermark
Watermark 		(Optional)

Watermark enables watermark progression across the entire pipeline.

templates
Templates 		(Optional)

Templates is used to customize additional kubernetes resources required for the Pipeline

status
PipelineStatus 		(Optional)

PipelineLimits

(Appears on: PipelineSpec)

Field Description
readBatchSize
uint64 		(Optional)

Read batch size for all the vertices in the pipeline, can be overridden by the vertex’s limit settings

bufferMaxLength
uint64 		(Optional)

BufferMaxLength is used to define the max length of a buffer Only applies to UDF and Source vertice as only they do buffer write. It can be overridden by the settings in vertex limits.

bufferUsageLimit
uint32 		(Optional)

BufferUsageLimit is used to define the percentage of the buffer usage limit, a valid value should be less than 100, for example, 85. Only applies to UDF and Source vertice as only they do buffer write. It will be overridden by the settings in vertex limits.

readTimeout
Kubernetes meta/v1.Duration 		(Optional)

Read timeout for all the vertices in the pipeline, can be overridden by the vertex’s limit settings

PipelinePhase (string alias)

(Appears on: Lifecycle, PipelineStatus)

PipelineSpec

(Appears on: Pipeline)

Field Description
interStepBufferServiceName
string 		(Optional)
vertices
\[\]AbstractVertex
edges
\[\]Edge

Edges define the relationships between vertices

lifecycle
Lifecycle 		(Optional)

Lifecycle define the Lifecycle properties

limits
PipelineLimits 		(Optional)

Limits define the limitations such as buffer read batch size for all the vertices of a pipeline, they could be overridden by each vertex’s settings

watermark
Watermark 		(Optional)

Watermark enables watermark progression across the entire pipeline.

templates
Templates 		(Optional)

Templates is used to customize additional kubernetes resources required for the Pipeline

PipelineStatus

(Appears on: Pipeline)

Field Description
Status
Status

(Members of Status are embedded into this type.)

phase
PipelinePhase
message
string
lastUpdated
Kubernetes meta/v1.Time
vertexCount
uint32
sourceCount
uint32
sinkCount
uint32
udfCount
uint32

RedisBufferService

(Appears on: InterStepBufferServiceSpec)

Field Description
native
NativeRedis

Native brings up a native Redis service

external
RedisConfig

External holds an External Redis config

RedisConfig

(Appears on: BufferServiceConfig, RedisBufferService)

Field Description
url
string 		(Optional)

Redis URL

sentinelUrl
string 		(Optional)

Sentinel URL, will be ignored if Redis URL is provided

masterName
string 		(Optional)

Only required when Sentinel is used

user
string 		(Optional)

Redis user

password
Kubernetes core/v1.SecretKeySelector 		(Optional)

Redis password secret selector

sentinelPassword
Kubernetes core/v1.SecretKeySelector 		(Optional)

Sentinel password secret selector

RedisSettings

(Appears on: NativeRedis)

Field Description
redis
string 		(Optional)

Redis settings shared by both master and slaves, will override the global settings from controller config

master
string 		(Optional)

Special settings for Redis master node, will override the global settings from controller config

replica
string 		(Optional)

Special settings for Redis replica nodes, will override the global settings from controller config

sentinel
string 		(Optional)

Sentinel settings, will override the global settings from controller config

Scale

(Appears on: AbstractVertex)

Scale defines the parameters for autoscaling.

Field Description
disabled
bool 		(Optional)

Whether to disable autoscaling. Set to “true” when using Kubernetes HPA or any other 3rd party autoscaling strategies.

min
int32 		(Optional)

Minimum replicas.

max
int32 		(Optional)

Maximum replicas.

lookbackSeconds
uint32 		(Optional)

Lookback seconds to calculate the average pending messages and processing rate.

cooldownSeconds
uint32 		(Optional)

Cooldown seconds after a scaling operation before another one.

zeroReplicaSleepSeconds
uint32 		(Optional)

After scaling down to 0, sleep how many seconds before scaling up to peek.

targetProcessingSeconds
uint32 		(Optional)

TargetProcessingSeconds is used to tune the aggressiveness of autoscaling for source vertices, it measures how fast you want the vertex to process all the pending messages. Typically increasing the value, which leads to lower processing rate, thus less replicas. It’s only effective for source vertices.

targetBufferUsage
uint32 		(Optional)

TargetBufferUsage is used to define the target percentage of usage of the buffer to be read. A valid and meaningful value should be less than the BufferUsageLimit defined in the Edge spec (or Pipeline spec), for example, 50. It only applies to UDF and Sink vertices as only they have buffers to read.

replicasPerScale
uint32 		(Optional)

ReplicasPerScale defines maximum replicas can be scaled up or down at once. The is use to prevent too aggressive scaling operations

Sink

(Appears on: AbstractVertex)

Field Description
log
Log
kafka
KafkaSink
blackhole
Blackhole
udsink
UDSink

Source

(Appears on: AbstractVertex)

Field Description
generator
GeneratorSource 		(Optional)
kafka
KafkaSource 		(Optional)
http
HTTPSource 		(Optional)

Status

(Appears on: InterStepBufferServiceStatus, PipelineStatus)

Status is a common structure which can be used for Status field.

Field Description
conditions
\[\]Kubernetes meta/v1.Condition 		(Optional)

Conditions are the latest available observations of a resource’s current state.

TLS

(Appears on: KafkaSink, KafkaSource)

Field Description
insecureSkipVerify
bool 		(Optional)
caCertSecret
Kubernetes core/v1.SecretKeySelector 		(Optional)

CACertSecret refers to the secret that contains the CA cert

clientCertSecret
Kubernetes core/v1.SecretKeySelector 		(Optional)

CertSecret refers to the secret that contains the cert

clientKeySecret
Kubernetes core/v1.SecretKeySelector 		(Optional)

KeySecret refers to the secret that contains the key

Templates

(Appears on: PipelineSpec)

Field Description
daemon
DaemonTemplate 		(Optional)

DaemonTemplate is used to customize the Daemon Deployment

job
JobTemplate 		(Optional)

JobTemplate is used to customize Jobs

UDF

(Appears on: AbstractVertex)

Field Description
container
Container 		(Optional)
builtin
Function 		(Optional)
groupBy
GroupBy 		(Optional)

UDSink

(Appears on: Sink)

Field Description
container
Container

Vertex

(Appears on: VertexInstance)

Field Description
metadata
Kubernetes meta/v1.ObjectMeta 		Refer to the Kubernetes API documentation for the fields of the metadata field.
spec
VertexSpec

AbstractVertex
AbstractVertex

(Members of AbstractVertex are embedded into this type.)

pipelineName
string
interStepBufferServiceName
string 		(Optional)
replicas
int32 		(Optional)
fromEdges
\[\]Edge 		(Optional)
toEdges
\[\]Edge 		(Optional)
watermark
Watermark 		(Optional)

Watermark indicates watermark progression in the vertex, it’s populated from the pipeline watermark settings.

status
VertexStatus 		(Optional)

VertexInstance

VertexInstance is a wrapper of a vertex instance, which contains the vertex spec and the instance information such as hostname and replica index.

Field Description
vertex
Vertex
hostname
string
replica
int32

VertexLimits

(Appears on: AbstractVertex)

Field Description
readBatchSize
uint64 		(Optional)

Read batch size from the source or buffer. It overrides the settings from pipeline limits.

readTimeout
Kubernetes meta/v1.Duration 		(Optional)

Read timeout duration from the source or buffer It overrides the settings from pipeline limits.

VertexPhase (string alias)

(Appears on: VertexStatus)

VertexSpec

(Appears on: Vertex)

Field Description
AbstractVertex
AbstractVertex

(Members of AbstractVertex are embedded into this type.)

pipelineName
string
interStepBufferServiceName
string 		(Optional)
replicas
int32 		(Optional)
fromEdges
\[\]Edge 		(Optional)
toEdges
\[\]Edge 		(Optional)
watermark
Watermark 		(Optional)

Watermark indicates watermark progression in the vertex, it’s populated from the pipeline watermark settings.

VertexStatus

(Appears on: Vertex)

Field Description
phase
VertexPhase
reason
string
message
string
replicas
uint32
selector
string
lastScaledAt
Kubernetes meta/v1.Time

VertexType (string alias)

Watermark

(Appears on: PipelineSpec, VertexSpec)

Field Description
disabled
bool 		(Optional)

Disabled toggles the watermark propagation, defaults to false.

maxDelay
Kubernetes meta/v1.Duration 		(Optional)

Maximum delay allowed for watermark calculation, defaults to “0s”, which means no delay.

Window

(Appears on: GroupBy)

Window describes windowing strategy

Field Description
fixed
FixedWindow 		(Optional)

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