[skip ci] Fix typo in design docs (#11414)

Signed-off-by: Binbin Lv <binbin.lv@zilliz.com>
pull/11417/head
binbin 2021-11-08 13:55:10 +08:00 committed by GitHub
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@ -151,9 +151,9 @@ message BuildIndexResponse {
10. When `RootCoood` receives the `BuildIndexResponse`, it would extract the `IndexBuildID` from the response, update `RootCoord`'s `metaTable`, then send responses to `Proxy`.
11. There is a background service, `assignTaskLoop`, in `IndexCoord`. `assignTaskLoop` would call `GetUnassignedTask` periodically, the default interval is 3s. `GetUnassignedTask` would list these segments whos `index meta` has been updated, but index has not been created yet.
11. There is a background service, `assignTaskLoop`, in `IndexCoord`. `assignTaskLoop` would call `GetUnassignedTask` periodically, the default interval is 3s. `GetUnassignedTask` would list these segments whose `index meta` has been updated, but index has not been created yet.
12. The previous step has listed the segments whose index has not been created, for each those segments, `IndexCoord` would call `PeekClient` to get an available `IndexNode`, and send `CreateIndex` request to this `IndexNode`. The `proto` is defined as follow.
12. The previous step has listed the segments whose index has not been created, for each those segments, `IndexCoord` would call `PeekClient` to get an available `IndexNode`, and send `CreateIndex` request to this `IndexNode`. The `proto` is defined as follows.
```proto
service IndexNode {