Grokbase › Groups › Hadoop › common-user › December 2010
FAQ
Hi all,

I read the "Looking at the code behind our three uses of Apache Hadoop"(
http://www.facebook.com/note.php?note_id=468211193919&comments) article that
mentioned the primary AvatarNode and the standby AvatarNode are coordinated
via Apache ZooKeeper, but why can't I find any code snippet about ZooKeeper
in HDFS-976?

Thanks.

Shen

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  • Ted Yu at Dec 14, 2010 at 5:37 am ⇧
    Check out the code on github
    You can find
    contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java
    On Sun, Dec 12, 2010 at 11:54 PM, ChingShen wrote:

    Hi all,

    I read the "Looking at the code behind our three uses of Apache Hadoop"(
    http://www.facebook.com/note.php?note_id=468211193919&comments) article
    that
    mentioned the primary AvatarNode and the standby AvatarNode are coordinated
    via Apache ZooKeeper, but why can't I find any code snippet about ZooKeeper
    in HDFS-976?

    Thanks.

    Shen
  • ChingShen at Dec 15, 2010 at 1:49 am ⇧
    Hi Ted,

    Thanks for your reply.

    Shen
    On Tue, Dec 14, 2010 at 1:37 PM, Ted Yu wrote:

    Check out the code on github
    You can find

    contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java
    On Sun, Dec 12, 2010 at 11:54 PM, ChingShen wrote:

    Hi all,

    I read the "Looking at the code behind our three uses of Apache Hadoop"(
    http://www.facebook.com/note.php?note_id=468211193919&comments) article
    that
    mentioned the primary AvatarNode and the standby AvatarNode are
    coordinated
    via Apache ZooKeeper, but why can't I find any code snippet about ZooKeeper
    in HDFS-976?

    Thanks.

    Shen

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postedDec 13, '10 at 7:54a
activeDec 15, '10 at 1:49a
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ChingShen: 2 posts Ted Yu: 1 post

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