Nobilta opened a new issue, #9196:
URL: https://github.com/apache/apisix/issues/9196
### Description
I found that every time I modify the route, the
`create_radixtree_uri_router` function in `radixtree_uri.lua` is triggered.And
i found no function about delete radixtree node in `easy_rax.c`.In my opinion,i
think it will delete useless node or add new node on the same radixtree when i
modify route,instead of present.I'm wondering why radixtree is being edited
this way now, or what's wrong with the way I said.
```
//radixtree_uri.lua
function _M.match(api_ctx)
local user_routes = _M.user_routes
if not cached_version or cached_version ~= user_routes.conf_version then
uri_router =
base_router.create_radixtree_uri_router(user_routes.values,
uri_routes,
false)
cached_version = user_routes.conf_version
end
if not uri_router then
core.log.error("failed to fetch valid `uri` router: ")
return true
end
return base_router.match_uri(uri_router, match_opts, api_ctx)
end
```
### Environment
- APISIX version (run `apisix version`):2.9
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