Re: [DISCUSS] Kylin Parquet storage and 4.0 plan

2020-07-24 Thread Zhou Kang
I have a question: Metadata based on MySQL, data in MySQL is KV or relational ? Thank you! > 2020年7月24日 下午7:23,ShaoFeng Shi 写道: > > Hello, Kylin users, > > Regarding the Kylin Parquet storage, we hope to update the progress here. At > present, we have completed the main development

Re: [DISCUSS] Upgrade Kylin's dependency to Hadoop 3 / HBase 2

2020-02-26 Thread Zhou Kang
+1 > 2020年2月26日 下午3:48,ShaoFeng Shi 写道: > > Hello, Kylin users and developers, > > As we know Hadoop 3 and HBase 2 have released for some time. Kylin starts to > support Hadoop 3 since v2.5.0 in Sep 2018. As the APIs of HBase 1 and 2 are > incompatible, we need to keep different branches

[Discuss] Add webhook to Kylin

2020-01-20 Thread Zhou Kang
Hi Kylin users & developers: Many apps support webhook, it is one way that apps can send automated messages or information to other apps. Use webhook, I think we can send messages to chat tools(slack, dingding), send sms , trigger another workflow. Do we need to add webhook

[DISCUSS] Cost-benefit of HBase scan result compression

2020-01-02 Thread Zhou Kang
Hi,all kylin.storage.hbase.endpoint-compress-result is TRUE as default. In Xiaomi Group, we found compression will cause query time latency up to 30 sec and more. After we analyze log in HBase, we found compression is useless in most situations. Detail info you can see in :