[GitHub] [apisix] idbeta commented on a change in pull request #2605: docs: sync English version

[GitBox <gi...@apache.org>]

idbeta commented on a change in pull request #2605:
URL: https://github.com/apache/apisix/pull/2605#discussion_r517057884



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File path: FAQ.md
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@@ -297,3 +297,27 @@ By default, APISIX only listens on port 9080 when handling HTTP requests. If you
     ```
 
 2. Reload or restart APISIX
+
+## How does APISIX use etcd to achieve millisecond-level configuration synchronization
+
+Etcd provides interfaces `wait` and `waitdir` to monitor whether the specified keywords and directories have changed, and return updated data if they have any changes.
+
+Take the `waitdir` interface as an example:
+
+`syntax: res, err = cli:waitdir(dir:string [, modified_index:uint [, timeout:uint] ])`
+
+The `timeout` parameter indicates the connection `timeout` seconds between the calling process and etcd.
+
+APISIX configuration of etcd long connection time is as follows:

Review comment:
       my apology, already fixed.




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