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flink-sql-demo's Introduction

Hi there 👋

  • 🔭 I’m currently working on Apache Flink
  • 🌱 I’m currently learning analytics and storage of big data
  • 📫 How to reach me: [email protected]
  • ⚡ Fun fact: I'm an ACG fan

flink-sql-demo's People

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wuchong avatar

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flink-sql-demo's Issues

统计问题咨询

hi,云邪大神:
问题1:实现交易按类别分组全量统计的需求。我想问下历史数据怎么处理?历史数据有几千万难道都要重新发到kafka吗?怎么处理历史数据并平滑的迁移到flink sql有什么好建议吗?
https://flink.apache.org/2020/07/28/flink-sql-demo-building-e2e-streaming-application.html
image

问题2:接问题1,很多不同维度的统计需求,但是source都是一样的,可以同时输出不同维度的sink吗,多个sink好像会报错?
image

问题3:使用sql client怎么配置checkpoints?

非常感谢

flink-sql-connector-hbase_2.11 在哪里下载?

maven 编译时提示 【Cannot resolve org.apache.flink:flink-sql-connector-hbase_2.11:1.12-SNAPSHOT】
flink-sql-connector-elasticsearch7_2.11将 version 改为1.11.1就可以了,但flink-sql-connector-hbase 在maven库中没找到。

Failed to connect to Kafka topic - No rows returned from Flink SQL "select * from user_behavior;"

Thanks for your great work, wuchong! I followed https://www.alibabacloud.com/blog/demo-how-to-build-streaming-applications-based-on-flink-sql_596151 but got stuck after creating user_behavior table in Flink SQL. kafka-console-consumer.sh shows data in the topic correctly, so the Kafka connector does not seem to work. Did I miss something?

kafka_2.12-2.2.1

flink --version

Version: 1.11.0, Commit ID: d04872d

ls /opt/flink/lib

-rw-r--r-- 1 flink flink 89K Jun 30 2020 flink-csv-1.11.0.jar
-rw-r--r-- 1 flink flink 104M Jun 30 2020 flink-dist_2.11-1.11.0.jar
-rw-r--r-- 1 flink flink 93K Jun 30 2020 flink-json-1.11.0.jar
-rw-r--r-- 1 flink flink 7.4M Jun 18 2020 flink-shaded-zookeeper-3.4.14.jar
-rw-r--r-- 1 root root 25M Jun 30 2020 flink-sql-connector-elasticsearch7_2.11-1.11.0.jar
-rw-r--r-- 1 root root 3.4M Jun 30 2020 flink-sql-connector-kafka_2.12-1.11.0.jar
-rw-r--r-- 1 flink flink 36M Jun 30 2020 flink-table-blink_2.11-1.11.0.jar
-rw-r--r-- 1 flink flink 32M Jun 30 2020 flink-table_2.11-1.11.0.jar
-rw-r--r-- 1 flink flink 66K Apr 20 2020 log4j-1.2-api-2.12.1.jar
-rw-r--r-- 1 flink flink 271K Apr 20 2020 log4j-api-2.12.1.jar
-rw-r--r-- 1 flink flink 1.6M Apr 20 2020 log4j-core-2.12.1.jar
-rw-r--r-- 1 flink flink 23K Apr 20 2020 log4j-slf4j-impl-2.12.1.jar
-rw-r--r-- 1 root root 984K Jul 11 2019 mysql-connector-java-5.1.48.jar

mysql --version

mysql Ver 14.14 Distrib 5.7.28, for Linux (x86_64) using EditLine wrapper

Kibana server is not ready yet

你好。
启动容器后,打开http://localhost:5601,显示 Kibana server is not ready yet。

查看当前运行中的容器

docker ps

CONTAINER ID        IMAGE                                                 COMMAND                  CREATED             STATUS              PORTS                                                NAMES
25071debaa9a        jark/datagen:0.2                                      "/usr/local/bin/mvn-…"   42 minutes ago      Up 42 minutes                                                            flink-sql-demo_datagen_1
f32163566f57        jark/demo-sql-client:0.2                              "/docker-entrypoint.…"   42 minutes ago      Up 42 minutes       6123/tcp, 8081/tcp                                   flink-sql-demo_sql-client_1
226163eff9ee        flink:1.11.0-scala_2.11                               "/docker-entrypoint.…"   42 minutes ago      Up 4 seconds        6123/tcp, 8081/tcp                                   flink-sql-demo_taskmanager_1
5c57c498a51d        docker.elastic.co/kibana/kibana:7.6.0                 "/usr/local/bin/dumb…"   42 minutes ago      Up 42 minutes       0.0.0.0:5601->5601/tcp                               flink-sql-demo_kibana_1
1b569d7649a5        wurstmeister/zookeeper:3.4.6                          "/bin/sh -c '/usr/sb…"   42 minutes ago      Up 42 minutes       22/tcp, 2888/tcp, 3888/tcp, 0.0.0.0:2181->2181/tcp   flink-sql-demo_zookeeper_1
431aef1e76f7        flink:1.11.0-scala_2.11                               "/docker-entrypoint.…"   42 minutes ago      Up 42 minutes       6123/tcp, 0.0.0.0:8081->8081/tcp                     flink-sql-demo_jobmanager_1
0859a630e50f        docker.elastic.co/elasticsearch/elasticsearch:7.6.0   "/usr/local/bin/dock…"   42 minutes ago      Up 4 seconds        0.0.0.0:9200->9200/tcp, 0.0.0.0:9300->9300/tcp       flink-sql-demo_elasticsearch_1
cc5c594fdd58        jark/mysql-example:0.2                                "docker-entrypoint.s…"   42 minutes ago      Up 42 minutes       0.0.0.0:3306->3306/tcp, 33060/tcp                    flink-sql-demo_mysql_1

Kibana运行正常,请问如何解决呢...

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