SkyeYoung commented on code in PR #12375:
URL: https://github.com/apache/apisix/pull/12375#discussion_r2168031452


##########
apisix/cli/etcd.lua:
##########
@@ -379,6 +379,16 @@ function _M.init(env, args)
         util.die("the etcd cluster needs at least 50% and above healthy 
nodes\n")
     end
 
+    -- access from the data plane to etcd should be read-only.
+    -- data plane writes to etcd may cause security issues,
+    -- or multiple instance writes may cause performance degradation.

Review Comment:
   ```suggestion
       -- data plane writes to etcd may cause security issues.
   ```



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