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add doc of snapshot #1062
add doc of snapshot #1062
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在T1创建备份后,MO又跑了一阵子到T2,再恢复到之前T1时间创建的备份的话,T2-T1产生的数据是否就没有了?
@@ -62,6 +62,7 @@ | |||
| 触发器 TRIGGER | N | | |||
| 时间调度器 EVENT SCHEDULER | N | | |||
| 自定义函数 UDF | Y | | |||
| 快照 SNAPSHOT | Y | |
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不是写到这的,是写到备份与恢复的地方
mkdocs.yml
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@@ -139,6 +139,10 @@ nav: | |||
- 数据去重: | |||
- COUNT(DISTINCT): MatrixOne/Develop/distinct-data/count-distinct.md | |||
- BITMAP: MatrixOne/Develop/distinct-data/bitmap.md | |||
- 快照: |
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不要写在这里,写到备份恢复里面去。
@@ -0,0 +1,26 @@ | |||
# 快照概述 |
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这章节里面要补充下快照备份的原理
What type of PR is this?
Which issue(s) this PR fixes:
issue #1061
What this PR does / why we need it: