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HADOOP-13698. Document caveat for KeyShell when underlying KeyProvider does not delete a key. 

(cherry picked from commit b84c4891f9)
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Xiao Chen 2016-10-11 17:05:00 -07:00
parent 6f2de54eb1
commit bc5a9931d7
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hadoop-common-project/hadoop-common/src/site/markdown/CommandsManual.md
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@ -137,7 +137,9 @@ Manage keys via the KeyProvider. For details on KeyProviders, see the [Transpare
Providers frequently require that a password or other secret is supplied. If the provider requires a password and is unable to find one, it will use a default password and emit a warning message that the default password is being used. If the `-strict` flag is supplied, the warning message becomes an error message and the command returns immediately with an error status.
NOTE: Some KeyProviders (e.g. org.apache.hadoop.crypto.key.JavaKeyStoreProvider) does not support uppercase key names.
NOTE: Some KeyProviders (e.g. org.apache.hadoop.crypto.key.JavaKeyStoreProvider) do not support uppercase key names.
NOTE: Some KeyProviders do not directly execute a key deletion (e.g. performs a soft-delete instead, or delay the actual deletion, to prevent mistake). In these cases, one may encounter errors when creating/deleting a key with the same name after deleting it. Please check the underlying KeyProvider for details.
### `trace`