Pulsar Connectors

音讯解决(Processing guarantee)

  • at-most-once
  • at-least-once
  • effectively-once

操作流程(JDBC sink)

  1. Add a configuration file.
  2. Create a schema.
  3. Upload a schema to a topic.
  4. Create a JDBC sink
  5. Stop a JDBC sink
  6. Restart a JDBC sink
  7. Update a JDBC sink

内建连接器(Built-in connector)

Source connector

  • Canal
  • File
  • Flume
  • Kafka
  • RabbitMQ

Sink connector

  • ElasticSearch/Solr
  • Flume
  • HBase
  • HDFS2/HDFS3
  • InfluxDB
  • JDBC ClickHouse/MariaDB/PostgreSQL
  • Kafka
  • MongoDB
  • RabbitMQ
  • Redis

ClickHouse Sink

  1. 创立表
CREATE DATABASE IF NOT EXISTS monitor;CREATE TABLE IF NOT EXISTS monitor.pulsar_clickhouse_jdbc_sink(    id   UInt32,    name String) ENGINE = TinyLog;INSERT INTO monitor.pulsar_clickhouse_jdbc_sink (id, name)VALUES (1, 'tmp');SELECT *FROM monitor.pulsar_clickhouse_jdbc_sink;
  1. 创立配置
$ vi $PULSAR_HOME/connectors/pulsar-clickhouse-jdbc-sink.yaml{    "userName": "sysop",    "password": "123456",    "jdbcUrl": "jdbc:clickhouse://server-101:8123/monitor",    "tableName": "pulsar_clickhouse_jdbc_sink"}
  1. 创立schema
$ vi $PULSAR_HOME/connectors/json-schema.json{  "name": "",  "schema": {    "type": "record",    "name": "SeedEvent",    "namespace": "com.cloudwise.quickstart.model",    "fields": [      {        "name": "id",        "type": [          "null",          "int"        ]      },      {        "name": "name",        "type": [          "null",          "string"        ]      }    ]  },  "type": "JSON",  "properties": {    "__alwaysAllowNull": "true",    "__jsr310ConversionEnabled": "false"  }}
  1. 上传schema
$ $PULSAR_HOME/bin/pulsar-admin schemas upload \pulsar-postgres-jdbc-sink-topic \-f $PULSAR_HOME/connectors/json-schema.json
  1. 运行
$ $PULSAR_HOME/bin/pulsar-admin sinks create \--tenant public \--namespace default \--name pulsar-clickhouse-jdbc-sink \--inputs pulsar-clickhouse-jdbc-sink-topic \--sink-config-file $PULSAR_HOME/connectors/pulsar-clickhouse-jdbc-sink.yaml \--archive $PULSAR_HOME/connectors/pulsar-io-jdbc-clickhouse-2.6.2.nar \--processing-guarantees EFFECTIVELY_ONCE \--parallelism 1

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系列浏览

深入浅出Apache Pulsar（1）：Pulsar vs Kafka

深入浅出Apache Pulsar（2）：Pulsar音讯机制

深入浅出 Apache Pulsar（3）：Pulsar Schema

深入浅出 Apache Pulsar（4）Pulsar Functions