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https://issues.apache.org/jira/browse/HADOOP-14604?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Doris Gu resolved HADOOP-14604.
-------------------------------
Resolution: Duplicate
> Fix the bug of aggregation log have one replication in HDFS Federation
> environment
> ----------------------------------------------------------------------------------
>
> Key: HADOOP-14604
> URL: https://issues.apache.org/jira/browse/HADOOP-14604
> Project: Hadoop Common
> Issue Type: Bug
> Components: common
> Affects Versions: 2.6.0
> Environment: Hadoop 2.6.0 with HDFS Federation
> Reporter: dingguotao
> Assignee: Doris Gu
> Priority: Major
> Labels: patch
> Attachments: HADOOP-14604.patch
>
>
> With HDFS Federation configured, the aggregation log have a default
> replication count of 1, rather than the value of dfs.replication in
> hdfs-site.xml configuration file.
> Before:
> {code:java}
> [op@NM-304-SA5212M4-BIGDATA-640 ~]$ hdfs dfs -ls
> /yarn/apps/op/logs/application_1498544648312_0001
> Found 3 items
> -rw-r----- 1 op hadoop 8270 2017-06-27 14:25
> /yarn/apps/op/logs/application_1498544648312_0001/NM-304-SA5212M4-BIGDATA-645_8041
> -rw-r----- 1 op hadoop 54469 2017-06-27 14:25
> /yarn/apps/op/logs/application_1498544648312_0001/NM-304-SA5212M4-BIGDATA-646_8041
> -rw-r----- 1 op hadoop 6537 2017-06-27 14:25
> /yarn/apps/op/logs/application_1498544648312_0001/NM-304-SA5212M4-BIGDATA-672_8041
> {code}
> The aggregation log have only 1 replication in default. But the value of
> dfs.replication in hdfs-site.xml configuration file is 3
> After apply this patch:
> {code:java}
> [op@NM-304-SA5212M4-BIGDATA-640 ~]$ hdfs dfs -ls
> /yarn/apps/op/logs/application_1498635214020_0001
> Found 3 items
> -rw-r----- 3 op hadoop 5729 2017-06-28 15:34
> /yarn/apps/op/logs/application_1498635214020_0001/NM-304-SA5212M4-BIGDATA-645_8041
> -rw-r----- 3 op hadoop 38439 2017-06-28 15:34
> /yarn/apps/op/logs/application_1498635214020_0001/NM-304-SA5212M4-BIGDATA-646_8041
> -rw-r----- 3 op hadoop 8270 2017-06-28 15:34
> /yarn/apps/op/logs/application_1498635214020_0001/NM-304-SA5212M4-BIGDATA-671_8041
> {code}
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