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ticdc: update changefeed scheduler configs #13341

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Mar 22, 2023
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ticdc: update changefeed scheduler configs #13341

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ticdc: update changefeed scheduler configs
overvenus Mar 9, 2023
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Update ticdc/ticdc-changefeed-config.md
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11 changes: 6 additions & 5 deletions ticdc/ticdc-changefeed-config.md
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Expand Up @@ -91,11 +91,12 @@ ignore-insert-value-expr = "price > 1000 and origin = 'no where'" # 忽略包含

[scheduler]
# 将表按 Region 个数划分成多个同步范围，这些范围可由多个 TiCDC 节点同步。
# 注意：
# 1. 横向扩展功能目前为实验特性，不建议在生产环境中使用。
# 2. 该参数只在 Kafka changefeed 上生效，暂不支持 MySQL changefeed。
# 3. TiCDC 不会将小于该参数 Region 个数的表划分成多个同步范围。
# region-per-span = 50000
# 注意：该功能只在 Kafka changefeed 上生效，暂不支持 MySQL changefeed。
#
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# 默认为 "false"。设置为 "true" 以打开该功能。
enable-table-across-nodes = false
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# 在一张表上启用该功能，该表最少需要包含的 Region 个数。
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region-threshold = 100000

[sink]
# 对于 MQ 类的 Sink，可以通过 dispatchers 配置 event 分发器
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6 changes: 3 additions & 3 deletions ticdc/ticdc-sink-to-kafka.md
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Expand Up @@ -244,12 +244,12 @@ partition 分发器用 partition = "xxx" 来指定，支持 default、ts、index

> **警告：**
>
> - 横向扩展功能目前为实验特性，不建议在生产环境中使用。该功能可能会在未事先通知的情况下发生变化或删除。如果发现 bug，请在 GitHub 上提 [issue](https://github.com/pingcap/tidb/issues) 反馈。
> - TiCDC v6.6.0 仅支持在 Kafka 同步任务上开启大单表的横向扩展功能。
> - TiCDC v7.0 仅支持在 Kafka 同步任务上开启大单表的横向扩展功能。
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配置样例如下所示：

```toml
[scheduler]
region-per-span = 50000
enable-table-across-nodes = true
region-threshold = 100000
```