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https://issues.apache.org/jira/browse/HADOOP-12101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15262497#comment-15262497
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Masatake Iwasaki commented on HADOOP-12101:
-------------------------------------------
The patch affects TestHdfsConfigFields, TestYarnConfigurationFields and
TestMapreduceConfigFields but QA build does not run them since the patch only
changes the codes under hadoop-common. I ran TestHdfsConfigFields,
TestYarnConfigurationFields and TestMapreduceConfigFields locally and verified
that it works.
I think it is ok to handle values with units and variable expantion in
follow-up JIRAs.
{noformat}
XML Property: dfs.namenode.lifeline.handler.ratio
XML Value: 0.10
Config Name: DFS_NAMENODE_LIFELINE_HANDLER_RATIO_DEFAULT
Config Value: 0.1
XML Property: dfs.namenode.retrycache.heap.percent
XML Value: 0.03f
Config Name: DFS_NAMENODE_RETRY_CACHE_HEAP_PERCENT_DEFAULT
Config Value: 0.03
XML Property: dfs.namenode.edits.dir
XML Value: ${dfs.namenode.name.dir}
Config Name: DFS_NAMENODE_EDITS_DIR_DEFAULT
Config Value: file:///tmp/hadoop/dfs/name
XML Property: dfs.datanode.balance.bandwidthPerSec
XML Value: 10m
Config Name: DFS_DATANODE_BALANCE_BANDWIDTHPERSEC_DEFAULT
Config Value: 10485760
{noformat}
> Add automatic search of default Configuration variables to
> TestConfigurationFieldsBase
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-12101
> URL: https://issues.apache.org/jira/browse/HADOOP-12101
> Project: Hadoop Common
> Issue Type: Test
> Components: test
> Affects Versions: 2.7.0
> Reporter: Ray Chiang
> Assignee: Ray Chiang
> Labels: supportability
> Attachments: HADOOP-12101.001.patch, HADOOP-12101.002.patch,
> HADOOP-12101.003.patch, HADOOP-12101.004.patch, HADOOP-12101.005.patch,
> HADOOP-12101.006.patch, HADOOP-12101.007.patch, HADOOP-12101.008.patch,
> HADOOP-12101.009.patch, HADOOP-12101.010.patch, HADOOP-12101.011.patch,
> HADOOP-12101.012.patch
>
>
> Add functionality given a Configuration variable FOO, to at least check the
> xml file value against DEFAULT_FOO.
> Without waivers and a mapping for exceptions, this can probably never be a
> test method that generates actual errors.
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