Could you please get the property value by using : hdfs getconf -confkey dfs.replication.
在 2013-7-1，15:51，Francis.Hu <[EMAIL PROTECTED]> 写道：
> Actually, My java client is running with the same configuration as the hadoop's . The dfs.replication is already set as 2 in my hadoop's configuration.
> So i think the dfs.replication is already overrided by my configuration in hdfs-site.xml. but seems it doesn't work even i overrided the parameter evidently.
> 发件人: Емельянов Борис [mailto:[EMAIL PROTECTED]]
> 发送时间: Monday, July 01, 2013 15:18
> 收件人: [EMAIL PROTECTED]
> 主题: Re: a question about dfs.replication
> On 01.07.2013 10:19, Francis.Hu wrote:
> Hi, All
> I am installing a cluster with Hadoop 2.0.5-alpha. I have one namenode and two datanodes. The dfs.replication is set as 2 in hdfs-site.xml. After all configuration work is done, I started all nodes. Then I saved a file into HDFS through java client. nOW I can access hdfs web page: x.x.x.x:50070,and also see the file is already listed in the hdfs list.
> My question is: The replication column in HDFS web page is showing as 3, not 2. Does anyone know What the problem is?
> ---Actual setting of hdfs-site.xml
> After that, I typed dfsamdin command to check the file:
> hdfs fsck /test3/
> The result of above command:
> /test3/hello005.txt: Under replicated BP-609310498-192.168.219.129-1372323727200:blk_-1069303317294683372_1006. Target Replicas is 3 but found 2 replica(s).
> Status: HEALTHY
> Total size: 35 B
> Total dirs: 1
> Total files: 1
> Total blocks (validated): 1 (avg. block size 35 B)
> Minimally replicated blocks: 1 (100.0 %)
> Over-replicated blocks: 0 (0.0 %)
> Under-replicated blocks: 1 (100.0 %)
> Mis-replicated blocks: 0 (0.0 %)
> Default replication factor: 2
> Average block replication: 2.0
> Corrupt blocks: 0
> Missing replicas: 1 (33.333332 %)
> Number of data-nodes: 3
> Number of racks: 1
> FSCK ended at Sat Jun 29 16:51:37 CST 2013 in 6 milliseconds
> Francis Hu
> If I'm not mistaking "dfs.replication" parameter in config sets only default replication factor, which can be overrided when putting file to hdfs.