[skip ci]Update typos in index design doc (#10381)

Signed-off-by: yanliang567 <yanliang.qiao@zilliz.com>
pull/10390/head
yanliang567 2021-10-21 20:21:19 +08:00 committed by GitHub
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@ -100,10 +100,10 @@ IndexCoord adds or deletes the corresponding IndexNode information in NodeManage
### 8.3.5 watchMetaLoop ### 8.3.5 watchMetaLoop
`watchMetaLoop` is used to monitor whether the Meta in etcd has been changed. When the Meta in the etcd is monitored, `watchMetaLoop` is used to monitor whether the Meta in etcd has been changed. When the Meta in etcd is monitored,
the result of the Meta update is obtained from the etcd, and the `Event.Kv.Version` of the update event is compared the result of the Meta update is obtained from etcd, and the `Event.Kv.Version` of the update event is compared
with the `revision` in the MetaTable. If the `Event.Kv.Version` is greater than the `revision` in the MetaTable, with the `revision` in the MetaTable. If the `Event.Kv.Version` is greater than the `revision` in the MetaTable,
Explain that this update is initiated by IndexNode, and then update the MetaTable in IndexCoord. Since this update it means that this update is initiated by IndexNode, and then update the MetaTable in IndexCoord. Since this update
is initiated by IndexNode, it indicates that this IndexNode has completed this task, so update the load of this is initiated by IndexNode, it indicates that this IndexNode has completed this task, so update the load of this
IndexNode in NodeManager, and the task amount is reduced by one. IndexNode in NodeManager, and the task amount is reduced by one.