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https://issues.apache.org/jira/browse/HBASE-4050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13411949#comment-13411949
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Jonathan Hsieh commented on HBASE-4050:
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bq. bq. hbase needs to be recompiled to run against hadoop 2.0 hdfs
bq. When did this happen ? In the pom all that changes for the hadoop 2.0
compile are that some dependencies are changed. I just tried on a local machine
only and just changing the libs dir I was able to run either version (stand
alone only so not really an exhaustive test I know)
Here's one reason:
https://issues.apache.org/jira/browse/HBASE-5861?focusedCommentId=13259785&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13259785
Here's another: HDFS-1620/HDFS-2412
> Update HBase metrics framework to metrics2 framework
> ----------------------------------------------------
>
> Key: HBASE-4050
> URL: https://issues.apache.org/jira/browse/HBASE-4050
> Project: HBase
> Issue Type: New Feature
> Components: metrics
> Affects Versions: 0.90.4
> Environment: Java 6
> Reporter: Eric Yang
> Assignee: Alex Baranau
> Priority: Critical
> Fix For: 0.96.0
>
> Attachments: 4050-metrics-v2.patch, 4050-metrics-v3.patch,
> HBASE-4050.patch
>
>
> Metrics Framework has been marked deprecated in Hadoop 0.20.203+ and 0.22+,
> and it might get removed in future Hadoop release. Hence, HBase needs to
> revise the dependency of MetricsContext to use Metrics2 framework.
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