-
-
Hi,
I cloned the "master" branch and tag "v0.1.2" of the ldbc data generator and ran the run.sh script. Somehow it is unable to find required files which are not mentioned anywhere in the documentati…
-
https://josonle.github.io/blog/2018-11-14-Hadoop%E4%BC%AA%E5%88%86%E5%B8%83%E5%BC%8F%E9%9B%86%E7%BE%A4%E6%90%AD%E5%BB%BA.html/
前言准备Win10上通过VMware12 + Centos7准备好了基本环境,配置虚拟机的子网IP地址(我这里是192.168.17.0),…
-
### 大数据概念
#### 大数据基础概念
大数据主要解决海量数据的采集,存储和分析计算问题
数据存储单位:bit,Byte,KB,MB,GB,TB,PB,EB,ZB,YB,BB,NB,DB
大数据一般处理的是TB,PB,EB级别的数据
#### 大数据4V特点
1.Volume(大量)
个人计算机容量位TB量级,大企业的数据量已经接近EB量级
2.Velocity(高速…
-
hibench.report:
HadoopBayes 2017-03-21 10:42:20 375779530 482.549 778738 259579
bayes bench.log
MAHOUT_LOCAL is not set; adding HADOOP_CONF_DIR to classpath…
-
I suggest to interpret paths that do not have an file system scheme (such as file:// for local files, or hdfs:// for HDFS files) as local files. That way, we ease the use in local setups, allowing reg…
-
```
Sometimes when I run a job I get the following error
Exception in thread "main" java.lang.NoSuchMethodError:
org.apache.commons.io.IOUtils.closeQuietly(Ljava/io/Closeable;)V
If I rerun the job…
-
I am facing any issue when interacting with HDFS from R shell. RHDFS is properly installed. Does rdhfs support kerberos?
The underlying cluster is using Pivotal HD as the hadoop distribution and its s…
-
Hi!
I wanted to confirm if XGBoost supports Spark version 3.1.2. I have been trying to run XGBoost on the latest version of Apache Spark on a dataset > 3TB on a 28 node cluster.
Also, I have been…
-
A user had this issue when trying Stratosphere with YARN. When the user that launches the ApplicationMaster (invokes the yarn session shell script) has no write permission in the hdfs, the Application…