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HDFS-15447 RBF: Add top real owners metrics for delegation tokens (#2110)

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    ./delegation/AbstractDelegationTokenSecretManager.java
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    ./delegation/ZKDelegationTokenSecretManager.java
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HDFS-15383. RBF: Add support for router delegation token without watch (#2047)

Improving router's performance for delegation tokens related operations. It achieves the goal by removing watchers from router on tokens since based on our experience. The huge number of watches inside Zookeeper is degrading Zookeeper's performance pretty hard. The current limit is about 1.2-1.5 million.

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    ./delegation/AbstractDelegationTokenSecretManager.java
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    ./delegation/ZKDelegationTokenSecretManager.java
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HADOOP-17009: Embrace Immutability of Java Collections

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    ./delegation/web/DelegationTokenAuthenticationHandler.java
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HADOOP-16828. Zookeeper Delegation Token Manager fetch sequence number by batch. Contributed by Fengnan Li.

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    ./delegation/ZKDelegationTokenSecretManager.java
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HADOOP-16988. Remove source code from branch-2. (aajisaka via jhung)

This closes #1959

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    ./delegation/AbstractDelegationTokenIdentifier.java
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    ./delegation/AbstractDelegationTokenSecretManager.java
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    ./delegation/AbstractDelegationTokenSelector.java
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    ./delegation/ZKDelegationTokenSecretManager.java
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    ./delegation/web/DelegationTokenAuthenticatedURL.java
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    ./delegation/web/DelegationTokenAuthenticationFilter.java
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    ./delegation/web/DelegationTokenAuthenticationHandler.java
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HADOOP-16621. [pb-upgrade] Remove Protobuf classes from signatures of Public APIs. Contributed by Vinayakumar B. (#1803)

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HADOOP-16579. Upgrade to Curator 4.2.0 and ZooKeeper 3.5.5 (#1656). Contributed by Norbert Kalmár, Mate Szalay-Beko

* HADOOP-16579 - Upgrade to Apache Curator 4.2.0 and ZooKeeper 3.5.5

- Add a static initializer for the unit tests using ZooKeeper to enable

the four-letter-words diagnostic telnet commands. (this is an interface

that become disabled by default, so to keep the ZooKeeper 3.4.x behavior

we enabled it for the tests)

- Also fix ZKFailoverController to look for relevant fail-over ActiveAttempt

records. The new ZooKeeper seems to respond quicker during the fail-over

tests than the ZooKeeper, so we made sure to catch all the relevant records

by adding a new parameter to ZKFailoverontroller.waitForActiveAttempt().

Co-authored-by: Norbert Kalmár <nkalmar@cloudera.com>

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HADOOP-16069. Support configure ZK_DTSM_ZK_KERBEROS_PRINCIPAL in ZKDelegationTokenSecretManager using principal with Schema /_HOST. Contributed by luhuachao.

(cherry picked from commit 298f07abceb4bb854630c9058e1697d4ef3d2ae2)

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    ./delegation/ZKDelegationTokenSecretManager.java
HADOOP-16069. Support configure ZK_DTSM_ZK_KERBEROS_PRINCIPAL in ZKDelegationTokenSecretManager using principal with Schema /_HOST. Contributed by luhuachao.

(cherry picked from commit 298f07abceb4bb854630c9058e1697d4ef3d2ae2)

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    ./delegation/ZKDelegationTokenSecretManager.java
HADOOP-16069. Support configure ZK_DTSM_ZK_KERBEROS_PRINCIPAL in ZKDelegationTokenSecretManager using principal with Schema /_HOST. Contributed by luhuachao.

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    ./delegation/ZKDelegationTokenSecretManager.java
HDFS-14611. Move handshake secret field from Token to BlockAccessToken. Contributed by Chen Liang

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HDFS-14611. Move handshake secret field from Token to BlockAccessToken. Contributed by Chen Liang.

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HDFS-14611. Move handshake secret field from Token to BlockAccessToken. Contributed by Chen Liang.

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HDFS-14611. Move handshake secret field from Token to BlockAccessToken. Contributed by Chen Liang.

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HDFS-14374. Expose total number of delegation tokens in AbstractDelegationTokenSecretManager. Contributed by CR Hota.

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    ./delegation/AbstractDelegationTokenSecretManager.java
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HDFS-13699. Add DFSClient sending handshake token to DataNode, and allow DataNode overwrite downstream QOP. Contributed by Chen Liang.

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HDFS-13699. Add DFSClient sending handshake token to DataNode, and allow DataNode overwrite downstream QOP. Contributed by Chen Liang.

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HDFS-13699. Add DFSClient sending handshake token to DataNode, and allow DataNode overwrite downstream QOP. Contributed by Chen Liang.

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HDFS-13699. Add DFSClient sending handshake token to DataNode, and allow DataNode overwrite downstream QOP. Contributed by Chen Liang.

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HDFS-13617. Allow wrapping NN QOP into token in encrypted message. Contributed by Chen Liang

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HDFS-13617. Allow wrapping NN QOP into token in encrypted message. Contributed by Chen Liang

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HDFS-13617. Allow wrapping NN QOP into token in encrypted message. Contributed by Chen Liang

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HDFS-13617. Allow wrapping NN QOP into token in encrypted message. Contributed by Chen Liang

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HADOOP-16079. Token.toString faulting if any token listed can't load.

Contributed by Steve Loughran.

(cherry picked from commit 7f46d13dac8cf85b094f41b3dd68e02c69e5afbc)

HADOOP-16079. Token.toString faulting if any token listed can't load.

Contributed by Steve Loughran.

(cherry picked from commit 7f46d13dac8cf85b094f41b3dd68e02c69e5afbc)

HADOOP-16079. Token.toString faulting if any token listed can't load.

Contributed by Steve Loughran.

HADOOP-15922. Fixed DelegationTokenAuthenticator URL decoding for doAs user. Contributed by He Xiaoqiao

(cherry picked from commit 0dd35e218fd4d6c660fd064e893be3112c546c9f)

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    ./delegation/web/DelegationTokenAuthenticator.java
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HADOOP-15922. Fixed DelegationTokenAuthenticator URL decoding for doAs user. Contributed by He Xiaoqiao

(cherry picked from commit 0dd35e218fd4d6c660fd064e893be3112c546c9f)

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    ./delegation/web/DelegationTokenAuthenticator.java
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HADOOP-15922. Fixed DelegationTokenAuthenticator URL decoding for doAs user. Contributed by He Xiaoqiao

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    ./delegation/web/DelegationTokenAuthenticator.java
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HADOOP-16019. ZKDelegationTokenSecretManager won't log exception message occured in function setJaasConfiguration.

Contributed by luhuachao.

(cherry picked from commit ccc43621aba4f1fc9ca880e294a66862493805b0)

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    ./delegation/ZKDelegationTokenSecretManager.java