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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10939) Reduce performance penalty of encryption zones
Date Thu, 06 Oct 2016 20:41:21 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15553120#comment-15553120
] 

Hudson commented on HDFS-10939:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10560 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/10560/])
HDFS-10939. Reduce performance penalty of encryption zones. Contributed (kihwal: rev f32e9fc8f7150f0e889c0774b3ad712af26fbd65)
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZones.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/XAttrStorage.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirEncryptionZoneOp.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirStatAndListingOp.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirWriteFileOp.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirXAttrOp.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EncryptionFaultInjector.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirRenameOp.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirErasureCodingOp.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/EncryptionZoneManager.java


> Reduce performance penalty of encryption zones
> ----------------------------------------------
>
>                 Key: HDFS-10939
>                 URL: https://issues.apache.org/jira/browse/HDFS-10939
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs
>    Affects Versions: 2.7
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>             Fix For: 3.0.0-alpha2
>
>         Attachments: HDFS-10939.1.patch, HDFS-10939.2.patch, HDFS-10939.patch
>
>
> The encryption zone APIs should be optimized to extensively use IIPs to eliminate path
resolutions.  The performance penalties incurred by common operations like creation of file
statuses may be reduced by more extensive short-circuiting of EZ lookups when no EZs exist.
 All file creates should not be subjected to the multi-stage locking performance penalty required
only for EDEK generation.



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