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https://issues.apache.org/jira/browse/HADOOP-14705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16134586#comment-16134586
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Wei-Chiu Chuang commented on HADOOP-14705:
------------------------------------------
Did a final review before I sign off --
Found a few very minor log messages that worth improvement:
{code:title=KeyProviderCryptoExtension#reencryptEncryptedKeys}
"encryptedKey version name must be '%s', is '%s'"
...
"All keys must be with same key name. found '%s', '%s'"
{code}
can be updated with
{code}
"encryptedKey version name must be '%s', but found '%s'"
and
"All keys must have the same key name. Expected '%s' but found '%s'"
{code}
(KMSClientProvider#reencryptEncryptedKeys has the same Preconditions check that
can also be updated)
Would it make sense to move the following encryptor/decryptor initilalization
{code}
if (decryptor == null) {
decryptor = cc.createDecryptor();
}
if (encryptor == null) {
encryptor = cc.createEncryptor();
}
{code}
to right after
{code}
try (CryptoCodec cc = CryptoCodec.getInstance(keyProvider.getConf())) {
{code}? (i.e. before the while loop)
Thanks for the work. I am +1 after these nits are addressed.
> Add batched reencryptEncryptedKey interface to KMS
> --------------------------------------------------
>
> Key: HADOOP-14705
> URL: https://issues.apache.org/jira/browse/HADOOP-14705
> Project: Hadoop Common
> Issue Type: Improvement
> Components: kms
> Reporter: Xiao Chen
> Assignee: Xiao Chen
> Attachments: HADOOP-14705.01.patch, HADOOP-14705.02.patch,
> HADOOP-14705.03.patch, HADOOP-14705.04.patch, HADOOP-14705.05.patch,
> HADOOP-14705.06.patch, HADOOP-14705.07.patch, HADOOP-14705.08.patch,
> HADOOP-14705.09.patch
>
>
> HADOOP-13827 already enabled the KMS to re-encrypt a {{EncryptedKeyVersion}}.
> As the performance results of HDFS-10899 turns out, communication overhead
> with the KMS occupies the majority of the time. So this jira proposes to add
> a batched interface to re-encrypt multiple EDEKs in 1 call.
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