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From "Tanping Wang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-1365) HDFS federation: propose ClusterID and BlockPoolID format
Date Tue, 14 Sep 2010 01:49:35 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Tanping Wang updated HDFS-1365:

    Attachment: HDFS1365.1.patch

First initial patch is attached.  In this patch,  we introduced two new fields
into StorageInfo.java.  They are
	String clusterID;
	String blockPoolID;
where clusterID is generated using java.util.UUID and blockPoolID is

"BP-" + RAND +"="+ip + "-"+System.currentTimeMillis();

After this subtask, the next step is HDFS1397 storage directory change of
and HDFS1398 Upgrade and rollback of Frederation

Couple unit test cases are modified accordingly to make compilation pass. They

M       src/test/unit/org/apache/hadoop/hdfs/server/datanode/TestBlockRecovery.java
M       src/test/hdfs/org/apache/hadoop/hdfs/TestDFSRollback.java
M       src/test/hdfs/org/apache/hadoop/hdfs/TestDFSUpgrade.java
M       src/test/hdfs/org/apache/hadoop/hdfs/TestDFSStartupVersions.java

Among these test cases, TestBlockRecovery fails off trunk already.  And the
other test cases is tempraorly broken and will be fixed as we will continue develop HDFS1397
HDFS1398.  As for now, the patch passes compliation and fails on the above
test cases.

One unit test case is added,

A       src/test/hdfs/org/apache/hadoop/hdfs/server/common/TestStorageInfo.java

> HDFS federation: propose ClusterID and BlockPoolID format
> ---------------------------------------------------------
>                 Key: HDFS-1365
>                 URL: https://issues.apache.org/jira/browse/HDFS-1365
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Tanping Wang
>            Assignee: Tanping Wang
>             Fix For: Federation Branch
>         Attachments: HDFS1365.1.patch

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