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### _Why are the changes needed?_ to close #3982 . Introduce feature of refresh user defaults config (as `___${user}___.*` which starts with three continuous underscores "___") from config file via `kyuubi-admin` cli and `refresh/user_defaults_conf` Rest API. 1. add `refreshUserDefaultsConf` methond in KyuubiServer to read user defautls configs from property file and apply config changes to server's KyuubiConf 3. add `refresh/user_defaults_conf` api to AdminRestApi calling `refreshUserDefaultsConf` of KyuubiServer 3. add config type `userDefautls` in kyuubi-admin cli refresh command This feature will - help to apply user defaults conf without restarting server or losing connections - load latest config for engine launch, e.g. spark related config `spark.*` It won't - affect the components already started and using the clone of server conf - affect configs for launched engine instance ### _How was this patch tested?_ - [x] Add some test cases that check the changes thoroughly including negative and positive cases if possible - [ ] Add screenshots for manual tests if appropriate - [x] [Run test](https://kyuubi.apache.org/docs/latest/develop_tools/testing.html#running-tests) locally before make a pull request Closes #3983 from bowenliang123/3982-reload-server-conf. Closes #3983 a8fb0bf2 [liangbowen] fix typo b9b80f56 [liangbowen] update b47a1541 [liangbowen] minor 786cb2a0 [liangbowen] add logging for statistics 0860e3a7 [liangbowen] fix: loadFileDefaults in refreshUserDefaultsConf 8dbbbcb8 [liangbowen] fix typo 619acd2e [liangbowen] import e405dc8e [liangbowen] fix user defaults key filtering by adding `getAllUserDefaults` to `KyuubiConf` ac407bd5 [liangbowen] rename config refresh option to `userDefaultsConf` and extracted to RefreshConfigCommandConfigType c65398b2 [liangbowen] fix redundant loadFileDefaults in refreshUserDefaultsConf 1b046feb [liangbowen] update comments e5dd5dbb [liangbowen] typo c0a358ba [liangbowen] change to refresh users' config. rename cli command to `refresh config userDefaults` bf5448e3 [liangbowen] support reload server config from config file 1. add reloadServerConf in KyuubiServer to read config and put all to config, 2. add "refresh/server_conf" api to AdminRestApi, 3. add config type "serverConf" in kyuubi-admin cli Authored-by: liangbowen <liangbowen@gf.com.cn> Signed-off-by: ulysses-you <ulyssesyou@apache.org> |
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