confluent-platform

Is it possible to get the latest value for a message key from kafka messages

坚强是说给别人听的谎言 提交于 2021-01-04 03:23:14
问题 Suppose I have different values for a same message key. For example: { userid: 1, email: user123@xyz.com } { userid: 1, email: user456@xyz.com } { userid: 1, email: user789@xyz.com } In this above case I want only the latest value updated by the user, that is, 'user789@xyz.com'. My kafka stream should give me only the third value and not the previous 2 values. 回答1: Since you've not specified a particular client, I'll show you how this can be done with ksqlDB and the newly-added function,

Is it possible to get the latest value for a message key from kafka messages

流过昼夜 提交于 2021-01-04 03:22:54
问题 Suppose I have different values for a same message key. For example: { userid: 1, email: user123@xyz.com } { userid: 1, email: user456@xyz.com } { userid: 1, email: user789@xyz.com } In this above case I want only the latest value updated by the user, that is, 'user789@xyz.com'. My kafka stream should give me only the third value and not the previous 2 values. 回答1: Since you've not specified a particular client, I'll show you how this can be done with ksqlDB and the newly-added function,

Is it possible to get the latest value for a message key from kafka messages

核能气质少年 提交于 2021-01-04 03:22:53
问题 Suppose I have different values for a same message key. For example: { userid: 1, email: user123@xyz.com } { userid: 1, email: user456@xyz.com } { userid: 1, email: user789@xyz.com } In this above case I want only the latest value updated by the user, that is, 'user789@xyz.com'. My kafka stream should give me only the third value and not the previous 2 values. 回答1: Since you've not specified a particular client, I'll show you how this can be done with ksqlDB and the newly-added function,

Is it possible to get the latest value for a message key from kafka messages

北城余情 提交于 2021-01-04 03:22:25
问题 Suppose I have different values for a same message key. For example: { userid: 1, email: user123@xyz.com } { userid: 1, email: user456@xyz.com } { userid: 1, email: user789@xyz.com } In this above case I want only the latest value updated by the user, that is, 'user789@xyz.com'. My kafka stream should give me only the third value and not the previous 2 values. 回答1: Since you've not specified a particular client, I'll show you how this can be done with ksqlDB and the newly-added function,

How to use Spring-Kafka to read AVRO message with Confluent Schema registry?

▼魔方 西西 提交于 2020-12-29 13:16:11
问题 How to use Spring-Kafka to read AVRO message with Confluent Schema registry? Is there any sample? I can't find it in official reference document. 回答1: Below code can read the message from customer-avro topic. Here's the AVRO schema on value i have defined as. { "type": "record", "namespace": "com.example", "name": "Customer", "version": "1", "fields": [ { "name": "first_name", "type": "string", "doc": "First Name of Customer" }, { "name": "last_name", "type": "string", "doc": "Last Name of

How to use Spring-Kafka to read AVRO message with Confluent Schema registry?

拜拜、爱过 提交于 2020-12-29 13:14:39
问题 How to use Spring-Kafka to read AVRO message with Confluent Schema registry? Is there any sample? I can't find it in official reference document. 回答1: Below code can read the message from customer-avro topic. Here's the AVRO schema on value i have defined as. { "type": "record", "namespace": "com.example", "name": "Customer", "version": "1", "fields": [ { "name": "first_name", "type": "string", "doc": "First Name of Customer" }, { "name": "last_name", "type": "string", "doc": "Last Name of

How to use Spring-Kafka to read AVRO message with Confluent Schema registry?

浪尽此生 提交于 2020-12-29 13:14:30
问题 How to use Spring-Kafka to read AVRO message with Confluent Schema registry? Is there any sample? I can't find it in official reference document. 回答1: Below code can read the message from customer-avro topic. Here's the AVRO schema on value i have defined as. { "type": "record", "namespace": "com.example", "name": "Customer", "version": "1", "fields": [ { "name": "first_name", "type": "string", "doc": "First Name of Customer" }, { "name": "last_name", "type": "string", "doc": "Last Name of

How to use Spring-Kafka to read AVRO message with Confluent Schema registry?

霸气de小男生 提交于 2020-12-29 13:14:25
问题 How to use Spring-Kafka to read AVRO message with Confluent Schema registry? Is there any sample? I can't find it in official reference document. 回答1: Below code can read the message from customer-avro topic. Here's the AVRO schema on value i have defined as. { "type": "record", "namespace": "com.example", "name": "Customer", "version": "1", "fields": [ { "name": "first_name", "type": "string", "doc": "First Name of Customer" }, { "name": "last_name", "type": "string", "doc": "Last Name of

Python Confluent-Kafka SSL Configuration

最后都变了- 提交于 2020-12-13 03:49:47
问题 A basic Confluent-Kafka producer and consumer have been created to send plaintext messages. After successfully sending messages from producer to consumer, additional configs were added to use SSL rather than PLAINTEXT. The following Configs have been implemented, which result in the following error. "Message Timed Out" Producer Configs: bootstrap.servers: localhost9093 security.protocol: SSL ssl.keystore.location: ../keystore.p12 ssl.keystore.password: [password] ssl.ca.location: ../CARoot