RE: Able to access namenode UI through ip address but not using hostname

Hi Krish, make sure that the host your using to access the UI can resolve the name of the UI. You can do this by modifying the /etc/hosts/ for example, if the name of the UI host is namenode make sure in the host file is like this : 192.168.1.10 namenode Date: Tue, 13 Jan 2015 20:40:25 -0800

Able to access namenode UI through ip address but not using hostname

Hi, I don't know where to look into but I am able to access namenode UI through ip address but not using hostname . Please help. Thanks Krish

Re: Data Placement Strategy for HDFS

See this thread: http://search-hadoop.com/m/lAh9i28K7 See also HDFS-7228 Cheers On Tue, Jan 13, 2015 at 7:33 PM, Fei Hu wrote: > Hi, > > I want to customize the data placement strategy rather than using the > default strategy in HDFS. Is there any way to control which datanode the > replica is

Data Placement Strategy for HDFS

Hi, I want to customize the data placement strategy rather than using the default strategy in HDFS. Is there any way to control which datanode the replica is delivered to? Thank you in advance. Best regards, Fei

Error in make command for zeromq

Hi, I am trying to install and configure zeromq. While issuing make command I am getting below error: Anybody has an idea , how to solve below ? [hadoop@mynamenode zeromq]$ make Making all in src make[1]: Entering directory `/opt/hadoop/zeromq/src' make all-am make[2]: Entering directory `/opt/h

Re: Namenode HA and data loss

Yes, if this is an HDFS cluster deployed with HA using the Quorum Journal Manager, then it is protected against data loss. This documentation page describes the configuration and how the architecture achieves it. http://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/hadoop-hdfs/HDFSHighAvailab

Namenode HA and data loss

Hi friends, Is there really zero data loss in case of a namenode failure in an HA (active-passive) environment? Thanks in advance for any pointers.. Kondala Palaka

Re: Minimal and complete set of dependencies required to setup Miniclusters

In HBase, we have the following dependencies: org.apache.hadoop hadoop-mapreduce-client-jobclient ${hadoop-two.version} test-jar test io.netty netty

Minimal and complete set of dependencies required to setup Miniclusters

Hey, guys! >From "How to develop Hadoop tests" I discovered that there is such thing as Miniclusters, which provide easy-to-setup in-process version of Hadoop. I was eager to use both MiniDFSCluster and MiniYARNCluster for a functional test of

Re: node manager ports during mapreduce job

Hi, Yes, after 10 minutes it is expiring and relaunching and this time I can see it is on different node manager. Let me tell you the configuration. It has 1 resource manager talking to 4 node managers. If I only have one node manager running, everything works fine. If I have multiple node mana

Hadoop failover doesn't take effect automatically when one namenode down

Hi there, I am configuring HA hadoop cluster with http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HDFSHighAvailabilityWithQJM.html Now if I kill the namenode process on one node, the failover can take effect to make another node active automatically. But if I shutdown a namen