JFlink

产品开通前提：需要主账号开通和JFlink相同地域的对象存储服务

实时计算平台Flink版（JFlink）是JingDongCLoud在开源 Apache Flink的基础上,实现的企业级实时数据开发治理平台,是一款企业级全托管的实时计算Flink服务,提供Serverless按需扩缩的弹性能力，计算资源组弹性扩缩

数据连接

支持的数据源类型

支持的数据源	运行模式	支持版本	实时计算支持类型			单表同步		分库分表		整库迁移
			源表	维表	目标表	源	目标	源	目标	源	目标
MySQL	流模式（CDC）和批模式（JDBC）	5.x，8.x	√	√	√	√	√	√
SQLServer	流模式（CDC）和批模式（JDBC）	2008R2、2012、2014、2016				√	√
TiDB	流模式（CDC）和批模式（JDBC）	4.x，5.x，6.x	√	√	√	√	√
StarDB	流模式（CDC）和批模式（JDBC）		√	√	√	√	√
MongoDB	流模式（CDC）	3.6，4.0				√
ClickHouse	流模式（CDC）和批模式（JDBC）	23.3.22.32，3.8.15.35，24.3.5.46					√		√
Redis	流模式（CDC）	4.0，5.0			√
ElasticSearch	流模式（CDC）和批模式（JDBC）	6.x，7.x			√
Kafka	流模式（CDC）	2.4，2.6	√		√	√	√		√
JCW 云原生存算引擎	流模式（CDC）和批模式（JDBC）						√		√
StarRocks 实时数据仓库	流模式（CDC）和批模式（JDBC）	3.3					√		√		√
Hologres	流模式（CDC）和批模式（JDBC）		√							√
SelectDB	批模式（JDBC）									√
AnalyticDB MySQL版	批模式（JDBC）									√

Session管理

实时同步

实时计算

发布管理

运维中心

Flink Dashboard

Overview

• Available Task Slots

  • Total Task Slots
  • Task Managers

• Running Jobs

  • Finished
  • Canceled
  • Failed

• Running & Completed Job List

  • job name
  • Start time
  • Duration
  • End time
  • Tasks ( = Parallelism )
  • Status

Task Manager

• Path,ID
• Data Port
• Last Heartbeat
• All Slots
• Free Slots
• CPU Cores
• Physical MEM
• JVM. Heap Size
• Flink Managed EME

Job Manager

Flink Memory Model

Configuration

Configuration

$internal.application.main	com.xx.xx_vip_jx58gKfz
$internal.flink.version	v1_17
$internal.pipeline.job-id	7e9d98f883bf22575
akka.ask.timeout	120 s
blob.server.port	6124
classloader.check-leaked-classloader	false
classloader.resolve-order	parent-first
client.timeout	120 s
cluster.registration.max-timeout	300000
deployment.timeout	180000
env.java.opts	-Dfile.encoding=UTF-8
env.java.opts.jobmanager	-Duser.timezone=GMT+08 -XX:+UseG1GC
env.java.opts.taskmanager	-Duser.timezone=GMT+08 -XX:NewRatio=1 -XX:+UseG1GC
execution.checkpointing.externalized-checkpoint-retention	RETAIN_ON_CANCELLATION
execution.checkpointing.interval	60000
execution.checkpointing.max-concurrent-checkpoints	1
execution.checkpointing.min-pause	1000
execution.checkpointing.mode	EXACTLY_ONCE
execution.checkpointing.timeout	60000
execution.checkpointing.tolerable-failed-checkpoints	10
execution.checkpointing.unaligned	false
execution.shutdown-on-application-finish	false
execution.target	embedded
fs.allowed-fallback-filesystems	s3
heartbeat.timeout	300000
internal.cluster.execution-mode	NORMAL
jobmanager.memory.heap.size	3462817376b
jobmanager.memory.jvm-metaspace.size	268435456b
jobmanager.memory.jvm-overhead.max	429496736b
jobmanager.memory.jvm-overhead.min	429496736b
jobmanager.memory.off-heap.size	134217728b
jobmanager.memory.process.size	4 gb
jobmanager.retrieve-taskmanager-hostname	false
jobmanager.rpc.address	work-xxa939.ric-ns-7xx3768-708xx
jobmanager.rpc.port	6123
kubernetes.cluster-id	work-xxa939
kubernetes.container.image.ref	jdcloud-bigdataxxeast-2.jcr.service.jdcloud.com/ric/flink-centos8:ric-1.17.2-java8-3.34
kubernetes.internal.jobmanager.entrypoint.class	org.apache.flink.kubernetes.entrypoint.KubernetesApplicationClusterEntrypoint
kubernetes.jobmanager.annotations	flinkdeployment.flink.apache.org/generation:2
kubernetes.jobmanager.cpu.amount	1.0
kubernetes.jobmanager.owner.reference	name:work-xxa939,uid:5aed40ed40c,kind:FlinkDeployment,apiVersion:flink.apache.org/v1beta1,blockOwnerDeletion:true,controller:false
kubernetes.jobmanager.replicas	1
kubernetes.namespace	ric-ns-720316413768-708990745464332288
kubernetes.pod-template-file.jobmanager	/tmp/flink_op_generated_podTemplate_852.yaml
kubernetes.pod-template-file.taskmanager	/tmp/flink_op_generated_podTemplate_1131683.yaml
kubernetes.rest-service.exposed.type	ClusterIP
kubernetes.service-account	operator-sa-720316413768
kubernetes.taskmanager.cpu.amount	1.0
metrics.latency.granularity	operator
metrics.latency.interval	3000
metrics.reporter.kafka.auth	true
metrics.reporter.kafka.bootstrapServers	kafka-6zdjka-bootstrap.kal2.jdcloud.com:9092
metrics.reporter.kafka.factory.class	org.apache.flink.metrics.kafka.KafkaReporterFactory
metrics.reporter.kafka.interval	60 SECONDS
metrics.reporter.kafka.labels	flinlinkjob_restartingTiation,fmrbageCollector_G1_Ol
metrics.reporter.kafka.saslJaasConfig	oUGDVE39qID5ZJc7oN7hY5I6jD
metrics.reporter.kafka.saslMechanism	G16RLyL4PAWJs
metrics.reporter.kafka.securityProtocol	3
metrics.reporter.kafka.topic	jdcloud-ric-prod-metrics-720
metrics.reporter.kafka.workId	work-68d2017e6a939-17585956
metrics.reporters	kafka
parallelism.default	1
pipeline.classpaths
pipeline.jars	file:/opt/flink/jar/202b-1.0.0-ric.jar
pipeline.name	work-xxa939
restart-strategy.fixed-delay.attempts	3
restart-strategy.fixed-delay.delay	30 s
restart-strategy.type	fixed-delay
s3.access-key	JDC_A7B44CB9C24280
s3.endpoint	http://s3-internal.cn-east-2.jdcloud-oss.com
s3.path.style.access	true
s3.secret-key	******
s3.ssl.enabled	false
security.basic.auth.client.password	******
security.basic.auth.enabled	true
security.basic.server.password	******
slot.request.timeout	500000
sql-gateway.endpoint.rest.security.basic.auth.enabled	false
state.backend	rocksdb
state.backend.incremental	true
state.checkpoint-storage	filesystem
state.checkpoints.dir	s3://flink-jd/flink/checkpoints/
state.checkpoints.num-retained	1
state.savepoints.dir	s3://flink-jd/flink/savepoints/
taskmanager.memory.jvm-overhead.fraction	0.1
taskmanager.memory.managed.fraction	0.4
taskmanager.memory.network.fraction	0.1
taskmanager.memory.process.size	4 gb
taskmanager.numberOfTaskSlots	1
taskmanager.rpc.port	6122
web.cancel.enable	false
web.tmpdir	/tmp/flink-web-6a3e1b14d0c

JVM

version	Java HotSpot(TM) 64-Bit Server VM - Oracle Corporation - 1.8/25.411-b09
arch	amd64
options	-Xmx3462817376 -Xms3462817376 -XX:MaxMetaspaceSize=268435456 -Dfile.encoding=UTF-8 -Duser.timezone=GMT+08 -XX:+UseG1GC -Dlog.file=/opt/flink/log/flink—kubernetes-application-0-work-68d20306fb4f5d5917e6a939-8464dc65bc-6lv72.log -Dlog4j.configuration=file:/opt/flink/conf/log4j-console.properties -Dlog4j.configurationFile=file:/opt/flink/conf/log4j-console.properties -Dlogback.configurationFile=file:/opt/flink/conf/logback-console.xml

Classpath

/opt/flink/lib/flink-cep-1.17.2.jar
/opt/flink/lib/flink-connector-files-1.17.2.jar
/opt/flink/lib/flink-csv-1.17.2.jar
/opt/flink/lib/flink-httpbasic-auth-1.17.x-1.0.0.1.jar
/opt/flink/lib/flink-jd-catalog-1.17.x-1.0.0.1.jar
/opt/flink/lib/flink-jdufs-1.17.x-1.0.0.1.jar
/opt/flink/lib/flink-json-1.17.2.jar
/opt/flink/lib/flink-log-appender-1.17.x-1.0.0.1-shaded.jar
/opt/flink/lib/flink-scala_2.12-1.17.2.jar
/opt/flink/lib/flink-table-api-java-uber-1.17.2.jar
/opt/flink/lib/flink-table-planner-loader-1.17.2.jar
/opt/flink/lib/flink-table-runtime-1.17.2.jar
/opt/flink/lib/log4j-1.2-api-2.17.1.jar
/opt/flink/lib/log4j-api-2.17.1.jar
/opt/flink/lib/log4j-core-2.17.1.jar
/opt/flink/lib/log4j-slf4j-impl-2.17.1.jar
/opt/flink/lib/flink-dist-1.17.2.jar

Reference

• 产品概述—实时计算平台Flink版-帮助文档-京东云