Flink Weekly 每周动态更新-2020/06/02 - 06/08

[Forward Xu <fo...@gmail.com>]

社区开发进展
Release
Zhijiang 创建了Umbrella jira用来测试Flink-1.11.0中的功能和特性。
https://issues.apache.org/jira/browse/FLINK-18088

DEV
Flink-1.11.0 的发布仍在测试回归中
https://issues.apache.org/jira/secure/RapidBoard.jspa?rapidView=364&projectKey=FLINK
<https://issues.apache.org/jira/secure/RapidBoard.jspa?rapidView=364&projectKey=FLINK>

Discuss
Till为@PublicEvolving类的稳定性保证创建了相关jira
https://issues.apache.org/jira/browse/FLINK-17844

Tison发起了关于Maven Wrapper的讨论
http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-Leverage-Maven-Wrapper-tc42123.html#a42170
<http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-Leverage-Maven-Wrapper-tc42123.html#a42170>
主要想通过Maven Wrapper来解决不同项目中对所需不同maven版本的支持。

Jacky发起了关于支持elasticsearch connector的讨论
http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Discussion-flink-elasticsearch-connector-supports-tc42082.html#a42087

Konstantin发起的关于Savepoints向后兼容性问题仍然在讨论中
http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-Flink-backward-compatibility-tc25527.html

Jingsong结束了Flink 发布版本创建”胖”与”瘦”包的讨论并创建了JIRA
http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-Releasing-quot-fat-quot-and-quot-slim-quot-Flink-distributions-tc40237.html

Vote
Gordon发起Flink Stateful Functions 2.1.0的投票已经拥有足够的票数通过了
http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/VOTE-Apache-Flink-Stateful-Functions-2-1-0-release-candidate-1-td42061.html

Announce
秦江杰向社区发邮件祝贺宋辛童成为新的Flink committer。

用户问题

夏帅提出了Flink1.11-release编译部署后sql-client的bug，Leonard Xu和godfrey
he复现并确认这是一个bug，godfrey he创建issue FLINK-18055并进行了修复代码已合入。
http://apache-flink.147419.n8.nabble.com/Flink1-11-release-sql-client-bug-tc3528.html

star提出Flink1.9 yarn session模式 经常Ask timed out问题，Benchao
Li进行了解答，通常原因是JobManager Full GC导致的
http://apache-flink.147419.n8.nabble.com/Flink1-9-yarn-session-Ask-timed-out-tc3526.html

元灵提出pyflink window创建失败问题，godfrey he确认这是一个已知bug，目前仍然在issue FLINK-17753中fix。
http://apache-flink.147419.n8.nabble.com/pyflink-window-tc3568.html

咿咿呀呀提出pyflink 嵌套使用函数出错，Xingbo Huang进行了相关解答问题得到解决
http://apache-flink.147419.n8.nabble.com/pyflink-tc3587.html

macia kk提出在1.10版本中Flink SQL create table 关键字 table 加反引号解析失败，Benchao
Li做了问题解答，最后发现是时间戳问题
http://apache-flink.147419.n8.nabble.com/Flink-SQL-create-table-table-tc3662.html

star提出flink 1.9 自定义UDAF 实现state管理的逻辑吗？问题，Benchao Li进行了相关解答
http://apache-flink.147419.n8.nabble.com/flink-1-9-UDAF-state-tc3685.html

活动博客文章及其他

数仓系列 | 深入解读 Flink 资源管理机制。详情：
https://mp.weixin.qq.com/s/9RHVaeDJGR0WTrEeBapcNw

Apache Flink 误用之痛。详情：
https://mp.weixin.qq.com/s/KmSuQ_gB2q0YVskT-X5E6Q

Flink作业问题分析和调优实践。详情：
https://mp.weixin.qq.com/s/O6AhHhyx7r03Lvt7XPejtA

Best,
Forward