DTStack/chunjun

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A data integration framework

Stars: 4.1k
Forks: 1.7k
Open beginner issues: 0
Indexed issues: 280

Dominant language: Java
License: Apache-2.0
Last GitHub push: Dec 2, 2025
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

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280 open issues indexed

flinkx1.12同步mysql-hive 数据量700万，本地模式可以跑，yarn-perjob无法跑 Open

bug

DTStack/chunjun#1128 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
flinkx1.12 mysql-hive同步性能问题数据量10000万+ Open

question

DTStack/chunjun#1132 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
flinkx1.12性能问题：mysql-hive 数据量9000万+ Open

bug

DTStack/chunjun#1136 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
flinkx1.12性能问题：mysql-hive 如何提高离线同步效率 Open

question

DTStack/chunjun#1138 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
flinkx1.12 mysql同步hive 无法断点续传（yarn-perjob模式） Open

bug

DTStack/chunjun#1139 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Flinkx1.12 并发执行异常（mysql 同步 hive） Open

bug

DTStack/chunjun#1142 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
binlog多线程同步多张表效率问题咨询 Open

question

DTStack/chunjun#1143 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature][convert] Split BigDecimalColumn Open

feature-request

DTStack/chunjun#1145 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] [core] Chunjun core exclude all guava package, and shade rename guava cause standalone mode NoDefClassFound. Open

bug

DTStack/chunjun#1147 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
flink的原生参数 -d datched ,chunjun写死为true的问题 Open

question

DTStack/chunjun#1150 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] binlog-x => mysql-x 异常 Open

bug

DTStack/chunjun#1153 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
chunjun mysql-hive同步性能问题数据量8000万+ Open

bug

DTStack/chunjun#1154 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] pgwalreader => pgwriter local模式，无法写入数据 Open

bug

DTStack/chunjun#1156 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
没有hadoop的集群上执行standlone模式报错 Open

question

DTStack/chunjun#1157 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
standlone模式 oracle到hive1，有时候直接成功，有时候失败，再试一次就成功 Open

question

DTStack/chunjun#1159 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
chunjun标准模式下mysql-hive 并发执行问题 Open

bug

DTStack/chunjun#1165 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
双流join 语法检测异常 Open

bug

DTStack/chunjun#1174 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
chunjun执行mysql-mysql insert模式下问题 Open

bug

DTStack/chunjun#1175 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
chunjun配置指标统计输出至mysql Open

bug

DTStack/chunjun#1176 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
mysql同步到hdfs报错 Open

bug

DTStack/chunjun#1177 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
standlone模式oracle写入hive1 使用orc格式存储失败 Open

question

DTStack/chunjun#1178 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Test][E2E] Add Chunjun-e2e Test Open

good first issue test

DTStack/chunjun#1185 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] [sqlserver cdc connector] sqlserver cdc connector 不支持text、decimal、float、timestamp数据类型 Open

bug

DTStack/chunjun#1197 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] [sqlserver sink conncetor] sqlserver sink conncetor 不支持text类型 Open

bug

DTStack/chunjun#1198 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] [oracle logminer connector] oracle logminer connector 不支持 float、timestamp、blob、clob 、decimal、number、text数据类型 Open

bug

DTStack/chunjun#1199 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] [chunjun-connector-jdbc-base] binlog2mysql报IndexOutOfBoundsException错误 Open

bug

DTStack/chunjun#1208 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
chunjun on yarn per-job mode failed[Question][Module Name] Ask for question Open

question

DTStack/chunjun#1211 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug][chunjun-connection] DateTime type conversion fails in different modes Open

question

DTStack/chunjun#1217 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature][Connectors] Add connector of TDengine. Open

question

DTStack/chunjun#1218 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] [jdbc-base] binlog_mysql_transform does not support deleting records with null values. Open

bug

DTStack/chunjun#1225 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Question] How to convert spatial type data Open

question

DTStack/chunjun#1226 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Question][Hive3Sink] kafka data to hive3 table ：.ClassNotFoundException: org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat Open

question

DTStack/chunjun#1228 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] [sqlservercdc] 任务提交给单机版的flink数据未同步 Open

bug help wanted

DTStack/chunjun#1240 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature] Support Flink Table Store Open

feature-request

DTStack/chunjun#1241 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature][Connector] Support Teradata. Open

question

DTStack/chunjun#1255 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Community] Who is using chunjun? Open

discuss

DTStack/chunjun#1266 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Question][kafka to hive] kafka读取数据写入hive，什么时候临时文件写到表目录 Open

question

DTStack/chunjun#1278 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Http-x is the sink side. How do I execute insert statements every few seconds? Open

question

DTStack/chunjun#1283 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
请问支不支持（transform）数据转换 Open

question

DTStack/chunjun#1286 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature][Dirty-Plugin] Task fails because of dirty data, but no detailed reason Open

feature-request

DTStack/chunjun#1287 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] [chunjun-core] 不支持-s参数 Open

bug

DTStack/chunjun#1306 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
数据量太大，导致redis集群10分钟就没反应，更新不了数据 Open

question

DTStack/chunjun#1333 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Doc][Quick Start] Add doc about how to submit job to a remote cluster Open

document good first issue

DTStack/chunjun#1342 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Bug] [chunjun-connector-hive] 设置index无效 Open

bug

DTStack/chunjun#1350 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature][bin] check and show what parameters are missed while submitting job Open

feature-request

DTStack/chunjun#1352 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[Bug] [chunjun-connecter-hive]org.apache.thrift.TException: Unsupported Hive2 protocol Open

bug

DTStack/chunjun#1354 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Feature][chunjun-connecter-hive] jdbc connection hive support jdbc:hive2://zk1:port,zk2:port,zk3:port/db Open

feature-request

DTStack/chunjun#1355 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[Bug] [flinkx-connector-oracle] sink data duplication Open

bug

DTStack/chunjun#1373 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Question][Oracle实时同步数据] Oracle作源端时，可以同步 insert，无法同步 delete 和 update Open

question

DTStack/chunjun#1378 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
是否支持restful api创建任务？或者通过flink restful API是否可以实现chunjun任务的提交？ Open

question

DTStack/chunjun#1409 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

DTStack/chunjun

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