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binlog: update documents for committs and passoword (#6271) #6641

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Jul 8, 2021
Merged

binlog: update documents for committs and passoword (#6271) #6641

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aa2e7a8
binlog: update documents for committs and passoword
3pointer May 14, 2021
66cce71
Update deploy-tidb-binlog.md
3pointer May 17, 2021
ef8bf2a
Update tidb-binlog/tidb-binlog-configuration-file.md
3pointer May 17, 2021
9b26c91
Update tidb-binlog/tidb-binlog-configuration-file.md
3pointer May 17, 2021
c14a589
address comment
3pointer May 17, 2021
dee1b71
Apply suggestions from code review
3pointer Jul 8, 2021
8a39225
Update tidb-binlog/deploy-tidb-binlog.md
TomShawn Jul 8, 2021
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4 changes: 2 additions & 2 deletions tidb-binlog/deploy-tidb-binlog.md
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Expand Up @@ -566,9 +566,9 @@ Drainer="192.168.0.13"
[syncer.to]
host = "192.168.0.13"
user = "root"
# 如果你不想在配置文件中写明文密码，则可以使用 `./binlogctl -cmd encrypt -text string` 生成加密的密码
# 如果配置了 encrypted_password 且非空，那么配置的 password 不生效。encrypted_password 和 password 无法同时生效。
password = ""
# 使用 `./binlogctl -cmd encrypt -text string` 加密的密码
# encrypted_password 非空时 password 会被忽略
encrypted_password = ""
port = 3306

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8 changes: 6 additions & 2 deletions tidb-binlog/tidb-binlog-configuration-file.md
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Expand Up @@ -172,8 +172,12 @@ aliases: ['/docs-cn/stable/tidb-binlog/tidb-binlog-configuration-file/','/docs-c

### initial-commit-ts

* 指定从哪个 commit timestamp 之后开始同步。这个配置仅适用于初次开始同步的 Drainer 节点。如果下游已经有 checkpoint 存在，则会根据 checkpoint 里记录的时间进行同步。
* 默认：`-1`。Drainer 会从 PD 得到一个最新的 timestamp 作为初始时间。
* 指定从哪个事务提交时间点（事务的 commit ts） 之后开始同步。这个配置仅适用于初次开始同步的 Drainer 节点。如果下游已经有 checkpoint 存在，则会根据 checkpoint 里记录的时间进行同步。
* commit ts（即 commit timestamp）是 TiDB [事务](/transaction-overview.md)的提交时间点。该时间点是从 PD 获取的全局唯一递增的时间戳，作为当前事务的唯一 ID。典型的 `initial-commit-ts` 配置可以通过以下方式获得：
- BR 备份的元信息（即 backupmeta）中记录的 backup TS
- Dumpling 备份的元信息（即 metadata）中记录的 Pos
- PD Control 中 `tso` 命令返回的结果
* 默认：`-1`。Drainer 会从 PD 得到一个最新的 timestamp 作为初始时间。即从当前的时间点开始同步。

### synced-check-time

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