sbt usc6k

: Includepackage (SC, Matrix)), and of course it can be manipulated by converting the RDD to the data form of the R language format. Refer to the following two links for details: http://amplab-extras.github.io/SparkR-pkg/ Https://github.com/amplab-extras/SparkR-pkg/wiki/SparkR-Quick-Start So let's take a look at the two examples below to see how SPARKR works.Article reprinted from: http://www.cnblogs.com/payton/p/4227770.htmlWhen individuals follow these steps, the following problems occur: In

, assuming it's already installed. Be able to skip this step. Detailed installation procedures please search by yourself. Second. Install SBT. SBT is the build tool in Scala. function equivalent to maven.Installation is relatively simple, detailed steps please refer to: http://www.scala-sbt.org/0.13/tutorial/zh-cn/Setup.html Third, after installation is complete. Running the

apt-get install sun-java6-jdk07 08update-alternatives -- config java09 # select jdk, after you enter the preceding command, three options are displayed, select 2nd options 10 Selection Path Priority Status11 limit 12*0/usr/lib/jvm/java-6-openjdk/jre/bin/java 1061 auto mode13 1/usr/lib/jvm/java-6-openjdk/ jre/bin/java 1061 manual mode14 2/usr/lib/jvm/java-6-sun/jre/bin/java 63 manual mode [Non-ubuntu users]Bytes Modify the/etc/profile file 1 export JAVA_HOME =/usr/local/jdk1.7.0 _ 052 www.2cto.c

following method to configure the rman parameter. Use the configure channel device type 'sbt _ TAPE 'CLEAR; configure device type SBT_TAPE CLEAR; command: RMAN> configure channel device type 'sbt _ TAPE' CLEAR; old RMAN configuration parameters are successfully deletedRMAN> show all; RMAN configuration parameters are: configure retention policy to redundancy 1; configure backup optimization off; # defaultC

: ● FILESPERSET parameter ● MAXOPENFILES parameter ● number of files read through the channel. For example, my database has 100 data files, and the FILESPERSET parameter is 12, the MAXOPENFILES parameter is 10 so multiplexing level = min (), 10) = 10 ③ same/asynchronous I/O is described below as a brief description of the data stream transfer process during the same/different/step backup to the band Database: ④ Disk/tape buffer (Buffers) the buffer size determines the amount of data that can be

Concurrent execution of mongolerman's backup of a single file If a file is a file of several gigabytes or tens of thousands of megabytes, You Need To parallelize the backup of the file. Generally, one channel can only read one file, however, you can use the multi-segment keyword to change this line: Run { Allocate channel t1 type sbt; Allocate channel t2 type sbt; Allocate channel t3 type

Deploy an Apache Spark cluster in Ubuntu1. Software Environment This article describes how to deploy an Apache Spark Standalone Cluster on Ubuntu. The required software is as follows: Ubuntu 15.10x64 Apache Spark 1.5.1 2. everything required for Installation # sudo apt-get install git -y# sudo apt-add-repository ppa:webupd8team/java -y# sudo apt-get update -y# sudo apt-get install Oracle-java8-installer -y# sudo apt-get install oracle-java8-set-default # sudo apt-get install maven gradle -y#

One. Spark Source code compilationAnalytical:wget http://archive.apache.org/dist/spark/spark-1.6.0/spark-1.6.0-bin-hadoop2.6-ZXVF spark-1.6.0-bin-hadoop2.6. TGZCD Spark-1.6.0-bin-hadoop2.6. /SBT/SBT Gen-ideaDescription: After a lengthy wait, the above command generates the SBT project, and we can use the idea to open in SBT