pentaho spoon

See you share a lot of Hadoop related content, I introduce you to an ETL tool--kettle.Kettle is an ETL tool of Pentaho company Open source, like Hadoop, is also Java implementation, the purpose is to do data integration when the data extraction (Extract), conversion (Transformat), load (loading) work. There are two script files in Kettle, transformation and job,transformation complete the fundamental transformation of the data, and the job completes t

"$PENTAHO _di_Java_options "];thenpentaho_di_java_options="-Xms${JAVAMAXMEM}m-Xmx${ javamaxmem}m-xmn6144m-xss1024m "fi XMX for physical memory is XMX for 1/4,XMN 3/8 When calling the *.job file with kitchen.sh, add the following call to the command -level:error In the default case, the kettle output is the basic log, if access to a hundred thousand of of the database, the basic log output will also reach 5, 600 trillion, which seriously affect the ef

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lower granularity than a job. We divide tasks into jobs, then, you need to split the job into one or more transformations, and each transformation completes only part of the work. Kettle basic example Kettle's error handling requires error logging in many scenarios, for example, if the migration prompts data problems, primary/foreign key errors, or violation of constraints, the current scenario should be recorded in one place for special processing. Example Main Process Error message Confi

Tags: ETL kettle pentaho hbase Kettle is an open-source ETL Tool written in Java. It can be run on Windows, Linux, and Unix. It does not need to be installed green, and data extraction is efficient and stable. Kettle is named a pot in Chinese. The project's main programmer Matt wants to put all kinds of data in a pot and then flow out in a specified format. Kettle is an ETL tool set that allows you to manage data from different databases. It provid

features they want. In addition, they are concerned about program quality and version control. Open-source software is developed based on communities, so it is updated frequently. Other enterprises have similar experiences. They do not want to re-develop the Bi platform, but integrate mature platform products. However, for many other ISVs, the price of open-source Bi is the biggest concern when they choose products. They would rather Use a very cheap price, and then do some additional developme

dispatched a variety of scheduling tools, such as Apache Oozie, Azkaban, Pentaho, etc., and finally compared the various advantages and disadvantages of the attempt to choose Apache Nifi as an attempt, by consulting Nifi Processor API, The processor that can better support remote operation is executeprocess. The following will be a practical explanation of requirements.3.1 Processor Add and configure1. Click "Add Processor", select Executeprocess and

The advantages of Infobright are as follows: (1) High compression ratio: high compression ratio is usually 10:1, some applications may reach 40:1, the higher the similarity of each column of data will have a higher compression ratio, and infobright is not indexed, save a lot of space. (2) Optimized statistical algorithm: Rapid response to complex analysis of the query statement, it is no doubt that a 140 million rows of data group by out of the results of more than 5 million execution time is ab

, and many bi suites are compatible, such as Pentaho, Cognos, jaspersofReduce operation and maintenance cost; With the increasing of database, the performance of query and loading is stable, the implementation and management is simple and requires very little management; it is the first commercially supported open source warehousing Analysis database and the ORACLE/MYSQL is the official recommended warehousing integration architecture.Infobright Appli

can't be achieved, the first and only line of the file must contain the word'Impossible'. Sample Input 3 5 4 Sample Output 6FILL(2)POUR(2,1)DROP(1)POUR(2,1)FILL(2)POUR(2,1) Question: Two cups, one spoon, the amount of water in the two cups changes through the spoon or water pouring operation, find the minimum number of steps required to change the initial state to the final state. Ideas: Bfs traversal, ea

, whether it is science and humanities, how can you compete in the West?When it comes to the current education system, it is even more disastrous. What is the current education in China? It is the positivism education, the examination-oriented education, ignoring the full cultivation and education of the people, the lack of humanity in the science education, the humanities education itself lacks the humanities, certainly also lacks the scientific nature. What we are doing all day is the test ah,

cannot create a new repo under Linux, only the repo that are already in GitHub can be modified. So, when you want to create a new repo, you must create a new one on github.com, and then add new content to this repo by using Git under Linux.3.2 Modifying the code in repoGitHub's official web site also has a tutorial to modify the repo code. For details, see: Https://help.github.com/articles/fork-a-repo. The brief steps are as follows: $git clone https://github.com/username/

fish--fish fish NBSp;a Man--mena Woman--womena tooth--teeth Teeth a foot--feeta goose--geese goose a Child--childrena mouse-- Mice Mouse An ox--oxen bull, bull a Phenomenon--phenomena phenomenon, Marvel, outstanding talent a formula--formulae formulas, guidelines, recipes, baby food They generally appear in plural form: jeanspantsshortspyjamas Pajamas glasses glasses 3, noun countable/non-countable: Can not count, can not calculate the noun 1), Liquid-like: Water/tea/coffe/milk/beer ...

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. objcore. objmessagemap. updatemessagemap (MSG, msgmapfunction, arrayparam, OBJ, ismultiused );}// Delete message ingFunction deletemessage (OBJ ){_ Root. objcore. objmessagemap. deletemessagemap (OBJ );}Function getglobalparam (){Globalparam = _ root. objcore. strucglobalparam;}} Subtemplatemovie.// Lower-level template film classClass subtemplatemovie extends basemovie {VaR movieremovefunction: function;Function subtemplatemovie (){This. Stop ();Moviestartfunction = function (){Lock ();This

Recently, with GitHub participating in the team's job submission, everyone fork The main git, build their own library , edit, submit pull requestThe specific process is as follows:Original from http://lullabyus.iteye.com/blog/1499402Summary: Cloning someone else's code base into your own project, can be used as a submodule, or two times developmentOperation Flow:Click the Fork button in the open source project and the item will be copied to your respositories for a moment,Clone a copy of code to

workflows.Kitchen: command-line tool to run a jobPan: command-line tools to run transformationsCarte: A lightweight Web server that can be used to perform transformations or jobs remotelyFive, version naming rulesGA (general availability) releases: Stable release versionRelease candidates: Candidate versions such as, ...-rcxxMilestone releases: The latest milestone version, there will be some new features such as, ...-mxxNightly builds: Build version, latest version, and most unstable version o

reader wants to do when he or she intends to learn a new language, and, of course, to write a few small programs to familiarize themselves with the grammar. However, many of the tutorials are only one or two lines of miniature code examples, just enough to demonstrate a feature, but not a single, useful program. If the language also has a built-in shell (or interpreter), such as Ruby, Groovy, and Scala, then the trend is becoming more pronounced.For example, the Scala tutorial (programming in S

. There is a 5L spoon, a 6L spoon, to make a 3La:5lb:6l(1) 5L full, inverted to 6L, at this time B has 5L water (empty 1L).(2) 5L reload, and then pour to 6L, at this time can only pour 1L, at this time a is left with 4L water.(3) Pour out the water in B and pour the 4L in a into B, where B has 4L water (empty 2L) and a is empty.(4) Fill a full, pour to B, can only pour into the 2l,a and left 3L.The impleme

= open ('test.txt ')Print fileHandle. readline () # "This is a test ."Print fileHandle. tell () # "17"Print fileHandle. readline () # "Really, it is ." Or read several bytes of content in the file at a time: 1. fileHandle = open ('test.txt ')2. print fileHandle. read (1) # "T"3. fileHandle. seek (4)4. print FileHandle. read (1) # "(the original article is incorrect) FileHandle = open ('test.txt ')Print fileHandle. read (1) # "T"FileHandle. seek (4)Print FileHandle. read (1) # "" (the original a