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                                            Flowyi

mysql to hive (create by hivesql)

You will need to dump the data from mysql to csv format, and then load into hive.

含有空字段的数据记录被舍弃

``` "fetcher": { "number.empty.as.zero": false, ``` 尝试配置 `number.empty.as.zero = true `，这个配置意思是，如果某个数字类型的字段不存在，就用默认值（0）

Is the indexr sql process outputs the wrong type?

Hi. It is because IndexR does not support map data type.

spark 2.4 compatible

@brucemen711 Thank you for your interest in IndexR. Unfortunately currently we don't have further plans for this project. But if you need help or advices, like how to support later...

Druid Metrics not landing up on Prometheus

Hi @AnjnaBhati12 , Unfortunately, DCMonitor does not store any Druid metrics. Currently it can only show the running instances. BTW, we have already migrated our Druid cluster to [IndexR](https://github.com/shunfei/indexr).

TiCDC OOM due to match prewrite-commit during large txn

It is a design limitation. So should be labled as enhancement.

cli(ticdc): fix create changefeed failure when `enable-old-value` is set to true

The same issue has been address by this issue https://github.com/pingcap/tiflow/issues/10916. Closing this PR.

the duration reached 400ms from cdc to kafka when inject network duration 20ms between cdc and kafka, the impact is bigger than mysql sink

By design. The root cause is that kafka sink can only use 1 worker. We will improve it in long term.