Assigntimestampsandwatermarks example

4 окт. 2022 г. ... For example, all the event-time window assigners have an EventTimeTrigger as default trigger. ... assignTimestampsAndWatermarks(new ...The following examples show how to use org.apache.flink.streaming.api.datastream.DataStream #assignTimestampsAndWatermarks () . You can vote up the ones you like or vote down the …Two simple examples of timestamp assigners with periodic watermark generation are below. /** * This generator generates watermarks assuming that elements come out of order to a certain … surface go won39t boot from usb The streaming examples TopSpeedWindowing demonstrates that the generating watermarks function part uses the deprecated DataStream#assignTimestampsAndWatermarks (AscendingTimestampExtractor), which is recommended in the relevant Flink docs is recommended to use DataStream#assignTimestampsAndWatermarks (WatermarkStrategy) instead.实时即未来,大数据项目车联网之驾驶行程采样入库(15). 【摘要】 theme: smartblue持续创作,加速成长!. 这是我参与「掘金日新计划 · 10 月更文挑战」的第15天,点击查看活动详情 1. 驾驶行程采样入库l 驾驶行程数据筛选入库,为第五节的行程指标采样分析的 ... richland county sc sheriff chief 23 нояб. 2021 г. ... flink 1.13.1 use assignTimestampsAndWatermarks error ... <modelVersion>4.0.0</modelVersion> <groupId>org.example</groupId> ...Flink中Table API和SQL 完整使用下一、操作案例1、快速上手2、flink流处理环境3、统计每个用户的PV值4、窗口TOP N 统计一段时间内的&#xff08;前两名&#xff09;活跃用户5、聚合操作函数6、UdfTest_AggregateFunction7、调用UDF进行查询转换8、表聚合函数9、实现自定义的函… 2019 kenworth t680 power reduced due to scr system fault Apache flink 如果我在Flink 1.10中将时间特性设置为IngestionTime,是否需要设置assignTimestampsAndWatermarks? apache-flink; Apache flink flink检查点如何帮助故障恢复 apache-flink; Apache flink 无法读取flink中前缀为的s3文件 apache-flink; Apache flink Flink禁用操作员链接性能影响 apache-flinkFlink的SQL、Table的实操. 在Flink提供的多层级API中,核心是DataStream API,这是我们开发流处理应用的基本途径;底层则是所谓的处理函数(process function),可以访问事件的时间 …Sample code: DataStream<Order> timestampStream = orderStream.assignTimestampsAndWatermarks(new BoundedOutOfOrdernessGenerator()); …In that case, you can use Flink’s Kafka-partition-aware watermark generation. Using that feature, watermarks are generated inside the Kafka consumer, per Kafka partition, and the per-partition watermarks are merged in the same way as watermarks are merged on stream shuffles. For example, if event timestamps are strictly ascending per Kafka ... property auctions argyllУпакуйте программу apache flink с плагином maven shadow, но при отправке появляется NoClassDefFoundErrorOct 11, 2022 · 3-1.Flink四大基石. Flink之所以能这么流行,离不开它最重要的四个基石:Checkpoint、State、Time、Window. Checkpoint. 这是Flink最重要的一个特性。. Flink基于Chandy-Lamport算法实现了一个分布式的一致性的快照,从而提供了一致性的语义。. Chandy-Lamport算法实际上在1985年的 ... Here are the examples of the java api org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer.assignTimestampsAndWatermarks() … gate 1 travel Flink消费kafka消息实战欢迎访问我的GitHub本次实战的内容是开发Flink应用,消费来自kafka的消息,进行实时计算;环境情况本次实战用到了三台机器,它们的IP地址和身份如下表所示: IP地址 身份 备注 192.168.1.104 http请求发起者 此机器上安装了Apa...Dec 17, 2018 · Re: Watermark not firing to push data. Hi, Thx for your reply and pointers on the currentLowWatermark. Looks like the Flink UI has tab for Watermarks itself for an Operator. I dump 5 records into the Kinesis Data Stream and am trying to read the same record from the FlinkKinesisConsumer and am not able to. Oct 28, 2022 · The assignTimestampsAndWatermarks() receives the main stream and assigns timestamps and watermarks based on the strategy specified in params, at the end, it will return SingleOutputStreamOperator which is the updated stream with timestamps and watermarks generated. Sample code: DataStream<Order> timestampStream = orderStream.assignTimestampsAndWatermarks(new BoundedOutOfOrdernessGenerator()); …The examples in this tutorial demonstrate how to use the Flink Connector ... assignTimestampsAndWatermarks(watermarkStrategy) // Define how the event time ... fujitsu halcyon reset button Flink的SQL、Table的实操. 在Flink提供的多层级API中,核心是DataStream API,这是我们开发流处理应用的基本途径;底层则是所谓的处理函数(process function),可以访问事件的时间信息、注册定时器、自定义状态,进行有状态的流处理。Here are the examples of the java api org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer.assignTimestampsAndWatermarks() taken from open source projects. By voting up you can indicate which examples are most useful and appropriate. byu add drop deadline For this example we expect messages to have the format value,timestamp where value is the message and timestamp is the time at which this message was generated at the source. Since we are now building a Processing Time based system, the code below ignores the timestamp part. cuddle buddies blanket 实时即未来,大数据项目车联网之驾驶行程采样入库(15). 【摘要】 theme: smartblue持续创作,加速成长!. 这是我参与「掘金日新计划 · 10 月更文挑战」的第15天,点击查看活动详情 1. 驾驶行程采样入库l 驾驶行程数据筛选入库,为第五节的行程指标采样分析的 ...Sets the given WatermarkStrategy on this consumer. These will be used to assign timestamps to records and generates watermarks to signal event time progress. Running timestamp extractors / watermark generators directly inside the Kafka source (which you can do by using this method), per Kafka partition, allows users to let them exploit the per-partition characteristics.Apache flink Flink中算子并行性的几个难题,apache-flink,flink-streaming,Apache Flink,Flink Streaming,我刚刚获得了以下并行性示例,并提出了一些相关问题: setParallelism(5)是将Parallelism 5设置为仅求和还是同时设置为flatMap和sum 我们是否可以将不同的并行度分别设置为不同的运算符,例如flatMap和sum? bmw x5 g05 fuse box diagram After assigning timestamps, all time-based operations will use time from sentAt field to operate. Since Flink expects timestamps to be in milliseconds and toEpochSecond () returns time in seconds we needed to multiply it by 1000, so Flink will create windows correctly. Flink defines the concept of a Watermark.23 нояб. 2021 г. ... flink 1.13.1 use assignTimestampsAndWatermarks error ... <modelVersion>4.0.0</modelVersion> <groupId>org.example</groupId> ... what year did yamaha start electric start on yz250f Generating Watermarks # In this section you will learn about the APIs that Flink provides for working with event time timestamps and watermarks. For an introduction to event time, processing time, and ingestion time, please refer to the introduction to event time. Introduction to Watermark Strategies # In order to work with event time, Flink needs to know the events timestamps, meaning each ...Timestamp assignment goes hand-in-hand with generating watermarks, which tell the system about progress in event time. You can configure this by specifying a WatermarkGenerator. The Flink API expects a WatermarkStrategy that contains both a TimestampAssigner and WatermarkGenerator.Apache flink 如果我在Flink 1.10中将时间特性设置为IngestionTime,是否需要设置assignTimestampsAndWatermarks? apache-flink; Apache flink flink检查点如何帮助故障恢复 apache-flink; Apache flink 无法读取flink中前缀为的s3文件 apache-flink; Apache flink Flink禁用操作员链接性能影响 apache-flink18 дек. 2021 г. ... For this example, let's first create a stream simulating two events that are several minutes apart ... assignTimestampsAndWatermarks( new ...From the literal meaning of watermark, it can be understood as water level line, which can be understood as the scale of water level in real life, and in the semantics of flink, watermark can also be understood as a time scale. Take a simple example. A certain route starts at 10 a.m. every day, and there is a flight every half hour.Apache flink 如果我在Flink 1.10中将时间特性设置为IngestionTime,是否需要设置assignTimestampsAndWatermarks? apache-flink; Apache flink flink检查点如何帮助故障恢复 apache-flink; Apache flink 无法读取flink中前缀为的s3文件 apache-flink; Apache flink Flink禁用操作员链接性能影响 apache-flink fullhd co in war Generating Watermarks # In this section you will learn about the APIs that Flink provides for working with event time timestamps and watermarks. For an introduction to event time, processing time, and ingestion time, please refer to the introduction to event time. Introduction to Watermark Strategies # In order to work with event time, Flink needs to know the events timestamps, meaning each ... 22 мар. 2022 г. ... assignTimestampsAndWatermarks(new CustomWatermarkStrategy) .keyBy(EventKeySelector) .process(new SimpleEventTimeWrangler).实时即未来,大数据项目车联网之驾驶行程采样入库(15). 【摘要】 theme: smartblue持续创作,加速成长!. 这是我参与「掘金日新计划 · 10 月更文挑战」的第15天,点 … lsu campus events This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.for a tutorial how to write a flink streaming application, check the * tutorials and examples on the consumer = new flinkkafkaconsumer011<> ("topic001", new simplestringschema (), props); //增加时间水位设置类 consumer.assigntimestampsandwatermarks (new assignerwithpunctuatedwatermarks () { @override public long extracttimestamp (string element, …The following examples show how to use org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer09#assignTimestampsAndWatermarks() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. spoonflower promo code Oct 26, 2022 · Flink中Table API和SQL 完整使用下一、操作案例1、快速上手2、flink流处理环境3、统计每个用户的PV值4、窗口TOP N 统计一段时间内的&#xff08;前两名&#xff09;活跃用户5、聚合操作函数6、UdfTest_AggregateFunction7、调用UDF进行查询转换8、表聚合函数9、实现自定义的函… The streaming examples TopSpeedWindowing demonstrates that the generating watermarks function part uses the deprecated DataStream#assignTimestampsAndWatermarks (AscendingTimestampExtractor), which is recommended in the relevant Flink docs is recommended to use DataStream#assignTimestampsAndWatermarks (WatermarkStrategy) instead. Issue Links Enter the following four pieces of data. When the event event is 390, the window will close. The events in the time stamp 385-389 will be classified and aggregated. The events in 390 will be the events of the next window in the console. At this time, the watermark is 390. sixt car rental reviews assignTimestampsAndWatermarks(new CustomWmEmitter () {... .assignTimestampsAndWatermarks(new CustomWmEmitter () {Jun 03, 2017 · 这个通常是通过抽取或者访问事件中某些字段的时间戳来获取的。. 时间戳的分配伴随着水印的生成,告诉系统事件时间中的进度。. 这里有两种方式来分配时间戳和生成水印: 1、直接在数据流源中进行. 2、通过 timestamp assigner 和 watermark generator 生成:在Flink中 ... 9 авг. 2022 г. ... Event Time/Watermark Skew An Example 27 operator 5 1 2 3 4 5 6 7 ... applied after the source via DataStream#assignTimestampsAndWatermarks.For example, if the timestamps are strictly ascending per Kafka partition, they will not be strictly ascending in the resulting Flink DataStream, if the parallel source subtask reads more than one partition. Common watermark generation patterns can be found as static methods in the WatermarkStrategy class. Returns: 2022 lakemoor fest From the literal meaning of watermark, it can be understood as water level line, which can be understood as the scale of water level in real life, and in the semantics of flink, watermark can also be understood as a time scale. Take a simple example. A certain route starts at 10 a.m. every day, and there is a flight every half hour.Упакуйте программу apache flink с плагином maven shadow, но при отправке появляется NoClassDefFoundError childe x slime twitter The following examples show how to use org.apache.flink.streaming.api.datastream.datastream#assignTimestampsAndWatermarks() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. chevy 350 oil dipstick plug 26 нояб. 2020 г. ... For example, event time is required to calculate the stock price trend for the first hour of a ... assignTimestampsAndWatermarks(strategy); ...For this example we expect messages to have the format value,timestamp where value is the message and timestamp is the time at which this message was generated at the source. Since …Enter the following four pieces of data. When the event event is 390, the window will close. The events in the time stamp 385-389 will be classified and aggregated. The events in 390 will be the events of the next window in the console. At this time, the watermark is 390. Jan 20, 2017 · we are using flink to process data from kafka topic, the data in kafka topic comes from massive IoT devices, we hash those devices into different partition based on hash code of device ID, so each partition has event data from many devices, and those event data contains "timestamp", "value", "deviceID" and so on. we want to use flink to do ... Timestamp assignment goes hand-in-hand with generating watermarks, which tell the system about the progress in event time. There are two ways to assign timestamps and generate Watermarks: Directly in the data stream source. Via a timestamp assigner / watermark generator: in Flink timestamp assigners also define the watermarks to be emitted. va evidence intake center fax Please mind that the UUID generation mechanism isn't perfect, as it allows duplicates. However, this is enough for the scope of this example. We want to save our Backup object as JSON to Kafka, so we need to create our SerializationSchema:25 июн. 2020 г. ... package com.stanley.flink /** * An order sample class * @param ... maximum out of order event is set to 0 assignTimestampsAndWatermarks(new ...Apache flink 如果我在Flink 1.10中将时间特性设置为IngestionTime,是否需要设置assignTimestampsAndWatermarks? apache-flink; Apache flink flink检查点如何帮助故障恢复 apache-flink; Apache flink 无法读取flink中前缀为的s3文件 apache-flink; Apache flink Flink禁用操作员链接性能影响 apache-flink Sets the given WatermarkStrategy on this consumer. These will be used to assign timestamps to records and generates watermarks to signal event time progress. Running timestamp extractors / watermark generators directly inside the Kafka source (which you can do by using this method), per Kafka partition, allows users to let them exploit the per-partition characteristics. living room colour combinations Flink的SQL、Table的实操. 在Flink提供的多层级API中,核心是DataStream API,这是我们开发流处理应用的基本途径;底层则是所谓的处理函数(process function),可以访问事件的时间信息、注册定时器、自定义状态,进行有状态的流处理。 Hi! Currently I am using Flink 1.4.2. class TSWM implements AssignerWithPunctuatedWatermarks<POJO> { long maxTS = Long.MIN_VALUE; @Override … can a judge ignore the law This page shows Java code examples of org.apache.flink.streaming.api.datastream.DataStream#assignTimestampsAndWatermarks.You need to take into consideration the event timestamps and watermarks when converting DataStreams . Processing time column; Event time column. The processing ...You need to use WatermarkStrategy.forMonotonousTimestamps:. import org.apache.flink.api.common.eventtime.SerializableTimestampAssigner; import … pontiac g6 reliability Flink中Table API和SQL 完整使用下一、操作案例1、快速上手2、flink流处理环境3、统计每个用户的PV值4、窗口TOP N 统计一段时间内的&#xff08;前两名&#xff09;活跃用户5、聚合操作函数6、UdfTest_AggregateFunction7、调用UDF进行查询转换8、表聚合函数9、实现自定义的函…The following examples show how to use org.apache.flink.streaming.api.datastream.DataStream#assignTimestampsAndWatermarks() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar. Sets the given WatermarkStrategy on this consumer. These will be used to assign timestamps to records and generates watermarks to signal event time progress. Running timestamp extractors / watermark generators directly inside the Kafka source (which you can do by using this method), per Kafka partition, allows users to let them exploit the per-partition characteristics.Oct 31, 2022 · 实时即未来,大数据项目车联网之驾驶行程采样入库(15). 【摘要】 theme: smartblue持续创作,加速成长!. 这是我参与「掘金日新计划 · 10 月更文挑战」的第15天,点击查看活动详情 1. 驾驶行程采样入库l 驾驶行程数据筛选入库,为第五节的行程指标采样分析的 ... nuclear bunker for sale uk 2021Oct 26, 2022 · Flink中Table API和SQL 完整使用下一、操作案例1、快速上手2、flink流处理环境3、统计每个用户的PV值4、窗口TOP N 统计一段时间内的&#xff08;前两名&#xff09;活跃用户5、聚合操作函数6、UdfTest_AggregateFunction7、调用UDF进行查询转换8、表聚合函数9、实现自定义的函… Apache flink Flink中算子并行性的几个难题,apache-flink,flink-streaming,Apache Flink,Flink Streaming,我刚刚获得了以下并行性示例,并提出了一些相关问题: setParallelism(5)是 … used living room furniture on craigslist For this example we expect messages to have the format value,timestamp where value is the message and timestamp is the time at which this message was generated at the source. Since we are now building a Processing Time based system, the code below ignores the timestamp part. Apache flink 如果我在Flink 1.10中将时间特性设置为IngestionTime,是否需要设置assignTimestampsAndWatermarks? apache-flink; Apache flink flink检查点如何帮助故障恢复 apache-flink; Apache flink 无法读取flink中前缀为的s3文件 apache-flink; Apache flink Flink禁用操作员链接性能影响 apache-flink barge strapping tables Apr 02, 2020 · Line #1: Create a DataStream from the FlinkKafkaConsumer object as the source. Line #3: Filter out null and empty values coming from Kafka. Line #5: Key the Flink stream based on the key present ... Flink的SQL、Table的实操. 在Flink提供的多层级API中,核心是DataStream API,这是我们开发流处理应用的基本途径;底层则是所谓的处理函数(process function),可以访问事件的时间信息、注册定时器、自定义状态,进行有状态的流处理。 hotels near sofi stadium PHP Post请求内容包含原始数据,php,request,field,send,Php,Request,Field,Send,这么长时间以来,我一直在为我的问题寻找解决方案。4 окт. 2022 г. ... For example, all the event-time window assigners have an EventTimeTrigger as default trigger. ... assignTimestampsAndWatermarks(new ...Flink的SQL、Table的实操. 在Flink提供的多层级API中,核心是DataStream API,这是我们开发流处理应用的基本途径;底层则是所谓的处理函数(process function),可以访问事件的时间信息、注册定时器、自定义状态,进行有状态的流处理。Generating Watermarks # In this section you will learn about the APIs that Flink provides for working with event time timestamps and watermarks. For an introduction to event time, processing time, and ingestion time, please refer to the introduction to event time. Introduction to Watermark Strategies # In order to work with event time, Flink needs to know the events timestamps, meaning each ... rightmove evesham rent For this example we expect messages to have the format value,timestamp where value is the message and timestamp is the time at which this message was generated at the source. Since we are now building a Processing Time based system, the code below ignores the timestamp part.env.setStreamTimeCharacteristic (TimeCharacteristic.EventTime); I found:. * @deprecated In Flink 1.12 the default stream time characteristic has been changed to {@link * TimeCharacteristic#EventTime}, thus you don't need to call this method for enabling * event-time support anymore. Explicitly using processing-time windows and timers works in ... roblox fps arttirma Sets the given WatermarkStrategy on this consumer. These will be used to assign timestamps to records and generates watermarks to signal event time progress. Running timestamp extractors / watermark generators directly inside the Kafka source (which you can do by using this method), per Kafka partition, allows users to let them exploit the per-partition characteristics. kalahari eats 10 июл. 2016 г. ... Extreme Wind (wind speed above 110 mph). Source Code. You can find the full source code for the example in my git repository at: https://github.Sets the given WatermarkStrategy on this consumer. These will be used to assign timestamps to records and generates watermarks to signal event time progress. Running timestamp extractors / watermark generators directly inside the Kafka source (which you can do by using this method), per Kafka partition, allows users to let them exploit the per-partition characteristics.for a tutorial how to write a flink streaming application, check the * tutorials and examples on the consumer = new flinkkafkaconsumer011<> ("topic001", new simplestringschema (), props); //增加时间水位设置类 consumer.assigntimestampsandwatermarks (new assignerwithpunctuatedwatermarks () { @override public long extracttimestamp (string … e faye butler Flink窗口触发器以及自定义触发器. Contribute to shirukai/flink-examples-trigger development by creating an account on GitHub. placer county fire twitter DataStream.assignTimestampsAndWatermarks (Showing top 18 results out of 315) ... This method creates watermarks periodically (for example every second), based on the watermarks indicated by the given watermark generator. Even when no new elements in the stream arrive, the given watermark generator will be periodically checked for new watermarksfor a tutorial how to write a flink streaming application, check the * tutorials and examples on the consumer = new flinkkafkaconsumer011<> ("topic001", new simplestringschema (), props); //增加时间水位设置类 consumer.assigntimestampsandwatermarks (new assignerwithpunctuatedwatermarks () { @override public long extracttimestamp (string element, …Упакуйте программу apache flink с плагином maven shadow, но при отправке появляется NoClassDefFoundErrorFor example, if the watermark is defined as the time of the latest event minus a fixed buffer of 30 seconds, it means “It is assumed that now all events have arrived until the time x ”. …In order to further ease the programming effort for such tasks, Flink comes with some pre-implemented timestamp assigners. This section provides a list of them. Apart from their out-of-the-box functionality, their implementation can serve as an example for custom implementations. Builtin Watermark Generators | Apache Flink v1.15.1 Try FlinkThe streaming examples TopSpeedWindowing demonstrates that the generating watermarks function part uses the deprecated DataStream#assignTimestampsAndWatermarks (AscendingTimestampExtractor), which is recommended in the relevant Flink docs is recommended to use DataStream#assignTimestampsAndWatermarks (WatermarkStrategy) instead. Issue Links esakal bhavishya For example, if the timestamps are strictly ascending per Kafka partition, they will not be strictly ascending in the resulting Flink DataStream, if the parallel source subtask reads more than one partition. Common watermark generation patterns can be found as static methods in the WatermarkStrategy class. Returns: assignTimestampsAndWatermarks方法的典型用法代码示例。 ... 开发者ID:pravega,项目名称:pravega-samples,代码行数:38,代码来源:TurbineHeatProcessor.java ...Table API是一套内嵌在Java和Scala语言中的查询API,它允许我们以非常直观的方式,组合来自一些关系运算符的查询(比如select、filter和join)。. 而对于Flink SQL,就是直接可以在代码中写SQL,来实现一些查询(Query)操作。. Flink的SQL支持,基于实现了SQL标准的Apache ...Apache flink 如果我在Flink 1.10中将时间特性设置为IngestionTime,是否需要设置assignTimestampsAndWatermarks? apache-flink; Apache flink flink检查点如何帮助故障恢复 apache-flink; Apache flink 无法读取flink中前缀为的s3文件 apache-flink; Apache flink Flink禁用操作员链接性能影响 apache-flink bestway lazy spa pump manual AssignerWithPunctuatedWatermarks Both interfaces inherit from TimestampAssigner. Assigner with periodic watermarks Periodic watermarks: The system periodically inserts watermarks into the stream (water lines are also a special event!).The default cycle is 200 milliseconds.have access to The ExecutionConfig.setAutoWatermarkInterval () method is set.For this example we expect messages to have the format value,timestamp where value is the message and timestamp is the time at which this message was generated at the source. Since we are now building a Processing Time based system, the code below ignores the timestamp part. Oct 26, 2022 · Flink中Table API和SQL 完整使用下一、操作案例1、快速上手2、flink流处理环境3、统计每个用户的PV值4、窗口TOP N 统计一段时间内的&#xff08;前两名&#xff09;活跃用户5、聚合操作函数6、UdfTest_AggregateFunction7、调用UDF进行查询转换8、表聚合函数9、实现自定义的函… Time Attributes # Flink can process data based on different notions of time. Processing time refers to the machine’s system time (also known as epoch time, e.g. Java’s System.currentTimeMillis()) that is executing the respective operation. Event time refers to the processing of streaming data based on timestamps that are attached to each row. The timestamps can encode when an event ... lash lift private label Oct 30, 2022 · Flink性能调优的第一步,就是为任务分配合适的资源,在一定范围内,增加资源的分配与性能的提升是成正比的,实现了最优的资源配置后,在此基础上再考虑进行后面论述的性能调优策略。. 提交方式主要是yarn-per-job,资源的分配在使用脚本提交Flink任务时进行 ... new apwu pay scale Two simple examples of timestamp assigners with periodic watermark generation are below. /** * This generator generates watermarks assuming that elements come out of order to a certain degree only.10 июл. 2016 г. ... Extreme Wind (wind speed above 110 mph). Source Code. You can find the full source code for the example in my git repository at: https://github. 2000 chevy silverado 1500 wiring diagram for a tutorial how to write a flink streaming application, check the * tutorials and examples on the consumer = new flinkkafkaconsumer011<> ("topic001", new simplestringschema (), props); //增加时间水位设置类 consumer.assigntimestampsandwatermarks (new assignerwithpunctuatedwatermarks () { @override public long extracttimestamp (string element, …scala:无法解析重载方法(flink水印策略). 7lrncoxx 于 2021-06-04 发布在 Kafka. 关注 (0) | 答案 (1) | 浏览 (533) 我正在关注flink关于如何在kafkaconsumer中使用水印策略的文档。. 代码如下所示. val kafkaSource = new FlinkKafkaConsumer[MyType] ("myTopic", schema, props) kafkaSource ...The streaming examples TopSpeedWindowing demonstrates that the generating watermarks function part uses the deprecated DataStream#assignTimestampsAndWatermarks (AscendingTimestampExtractor), which is recommended in the relevant Flink docs is recommended to use DataStream#assignTimestampsAndWatermarks (WatermarkStrategy) instead. 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