• How to reduce the file size of a MongoDB database

    My friend and I have a MongoDB database which was pretty large (over 3 GB). But we recently deleted a bunch of documents, files, etc., and we thought that would lead to the size of the database files to go down. But since MongoDB keeps allotted space, our files are still big. We read that mongod --...

    ITKE355,460 pointsBadges:
  • Apache HBase: How to count number of rows quickly

    Currently in Apache HBase, I've been implementing row count over ResultScanner, like this: for (Result rs = scanner.next(); rs != null; rs = scanner.next()) { number++; } But my data is starting to reach the millions so the computing is big. I'm trying to compute it real-time but I would like to...

    ITKE355,460 pointsBadges:
  • How to use large datasets in Hadoop

    Would anyone happen to know of any large datasets to experiment with in Hadoop with a low cost? I need to use at least 1 GB of data and a production log data of a webserver. I would appreciate any help available. Thank you.

    ITKE355,460 pointsBadges:
  • List all collections in a MongoDB shell

    I'm currently in a MongoDB shell and I was wondering if anyone knows how to list all of the collections for the current database and I'm using. I can't anywhere at all. Thanks!

    ITKE355,460 pointsBadges:
  • Is there a performance difference between Java or Python on Hadoop?

    I've been working on a project in Hadoop for quite some time and now I'm trying to incorporate Java and provide support for Python. Does anyone know if there's any performance impact when it comes to choosing between the two. Any help would be appreciated.

    ITKE355,460 pointsBadges:
  • Running a simple Java program on AWS instances

    Hi, I am little confused about the steps to run a simple Java program on AWS instances. I have launched four EC2 instances. Can you please guide me the steps how to run a simple Java program on four AWS instances and also a guide to run a map-reduce word_count.Java program on AWS instances...

    preeti0110 pointsBadges:
  • Tool for migrating DTS to SSIS

    What is the tool for migrating DTS to SSIS. And how effective it works. And I want migrate 500 DTS packages to SSIS. How much time it will take?

    Lingala5 pointsBadges:
  • Oracle In Linux

    How can I able to get and work with Oracle in Linux platform. I am using RedHat Linux 9.0.

    Samachar0 pointsBadges:
  • Tibco Training

    What training time is necessary for an experienced IT package consultant to provide useful Tibco support to a project team, and in what capacity. What can be accomplished in two to three weeks of SELF training?

    Masks5555 pointsBadges:
  • Sunsetting an analytic database

    Are there templates to follow for sunsetting a major analytic database within the healthcare sector?

    vooloo225 pointsBadges:
  • What are data structures?

    Can someone explain to me what is a data structure?

    moregrace5 pointsBadges:
  • How to define quality in the IT industry

    How can I define quality in the IT industry?

    bereketasmare125 pointsBadges:
  • Can JDE warehousing handle a part number that is delivered to the warehouse in multiple cartons?

    I have a part number called "Machine1", and it is comprised of several cartons, lets say carton 1, carton 2 and carton 3. Can JDE handle my Machine1 part number and tell me which location to pack away stock of carton1, carton 2 and carton 3, even though they are different sizes etc. Also will it...

    albertthomas5 pointsBadges:
  • The IT Blog Top 10: Oct. 29, 2009

    10. Choosing a block size when creating VMFS datastores Eric Siebert has written a guide on how to choose the right size for VMFS datastores. 9. How to use command line arguments in VBScript via the Wscript.Arguments Object Jerry Lees explains a helpful VBScript trick. 8. Using VRDP to view...

    ITKE355,460 pointsBadges:
  • Does latest stable hive (1.0.0) support faster queries and ACID transactions?

    According to this doc: http://hortonworks.com/wp-content/uploads/2013/12/StingerTechnicalPreviewInstall.pdf Stinger is coming to work with hive (0.13) for full support of SQL queries. In addition another advantage is the faster performance and in order to check out the performance advantage of...

    nicknicknick5 pointsBadges:
  • How can one use HDFS as backend storage for Squid-proxy’s cache?

    HDFS is critical part of Hadoop landscape and provides distributed filesystem capabilities. How can one utilize HDFS for storing Squid-proxy's cache data? For example: first time a YouTube video is downloaded its stored in Squid-proxy's cache residing on HDFS. next time the same request is catered...

    dbaannaeh5 pointsBadges:
  • Review a dashboard of profitability analysis

    How do I review a dashboard for profitability analysis?

    mcfangeb15 pointsBadges:
  • Excel add-in data transfer error CWBTF0012

    I'm having a data transfer issue. I get the CWBTF0012 general error. Looking it up it say reached max records. Here is the strange thing, I'm still under that number of records. According to what I have seen it relates to Excel 2007. I am currently using Excel 2010. I do have the client access...

    ToddN200019,315 pointsBadges:
  • Merge two Physical Files using Logical File

    I have multiple Physical files (Trans2006, Trans2007, Trans2008, etc…) with same record layout with the yearly transactions on my iSeries. I want to merge these files (for temporary period). Is it possible to create a Logical file? If so please help me.

    nhewage50 pointsBadges:
  • Video File Corruption in Seagate hard drive

    I have a 4TB Seagate hard drive that is connected to my computer externally and I store my video files on it. Recently when I was watching one of the files I noticed that at the end of the file, there was a corruption of the video stream, but instead of my media player giving me an error or...

    zefmanx5 pointsBadges:

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