云栖社区Java、Redis、MongoDB运营小编，有意合作请联系钉钉：15810436147
1 more Caused by: com.alibaba.hologres.org.postgresql.util.PSQLException: FATAL: remaining connection slots are reserved for non-replication superuser connections at com.alibaba.hologres.org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2553) ~[?:?] at com.alibaba....
The full response is {“ok”: 0.0, “errmsg”: “not authorized on admin to execute command { aggregate: 1, pipeline: [ { $changeStream: { allChangesForCluster: true } } ], cursor: { batchSize: 1 }, $db: \“admin\“, $clusterTime: { clusterTime: Timestamp(1680783775, 2), sig...
Flink SQL> CREATE TABLE target_user( > table STRING, > op_type STRING, > before ROW(ZYH STRING,MRCYSHBS STRING), > after ROW(ZYH STRING,MRCYSHBS STRING) > ) WITH ( > 'connector' = 'kafka', > 'topic' = 'test1', > 'properties.bootstrap.servers' = 'x.x.x.x:9092', > 'pro...
提交flink任务到 yarn原理 flink客户端向yarn提交任务源码,1.概述CliFrontend类最终会调用我们自己写的代码,入口类是main方法.整体流程图细节图整体代码如下:packageorg.apache.flink.streaming.examples.socket;importorg.apache.flink.api.common.functions.FlatMapFunct
throw new ProgramInvocationException("PackagedProgram does not have a valid invocation mode."); } final JobGraph jobGraph; if (flinkPlan instanceof StreamingPlan) { //通过获取到的StreamGraph得到JobGraph,这也说明在yarn模式下,JobGraph不是在我们自己的代码中构建的 ...
1、操作: 线上一共9台broker机器,顺序操作kill -9 xxx.129、xxx.130、xxx.131这三台机器broker进程(操作时间:2021-11-05 16:05) 2、集群与使用版本信息 bookie 堆6G,直接内存80G,broker 堆6G,直接内存256G 客户端:使用pulsar-flink-connector pulsar-flink-connect
1 概述 简述:CDC/增量数据同步 CDC 的全称是 Change Data Capture(增量数据捕获) 在广义的概念上,只要能捕获数据变更的技术,我们都可以称为 CDC 。 我们目前通常描述的 CDC 技术主要面向数据库的变更,是一种用于捕获数据库中数据变更的技术。 CDC 的技术实现方案
hive.HiveCatalog does not exist in the JVM ${FLINK_HOME}/lib: lib ├── flink-connector-jdbc_2.11-1.11.2.jar ├── flink-csv-1.11.2.jar ├── flink-dist_2.12-1.11.2.jar ├── flink-hadoop-compatibility_2.12-1.11.2.jar ├── flink-json-1.11.2.jar ├── flink-shaded-...
为了消费CDC数据,用户需要在使用SQLDDL创建表时指指定“format=debezium-json”或者“format=canal-json”:CREATE?TABLE?my_table?(...)WITH(''connector''=''...'',--e.g.''kafka'''format''=''debezium-json'');?Flink1.11的接口都已Ready,但是在实现上:只支持Kafka...