• 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...

    ITKE366,125 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.

    ITKE366,125 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!

    ITKE366,125 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.

    ITKE366,125 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:
  • 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:
  • 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:
  • Best way to migrate big data from Oracle to DB2 for i

    Hi. I've tried some methods (SQL, plain text files...) but, I'd like to be sure on what is the best method to implement a migration of big data files.

    iredin5 pointsBadges:
  • SAP Basis workload analysis

    This request for help was originally submitted to the Research Assistant on WhatIs.com. I’m a beginner technology consultant Sap Basis, and I like find more information about Workload analysis and maybe performance and possible issues about that.

    ResearchAssistant855 pointsBadges:
  • Condition IN RTF

    Hi, I want to add condition on tag in RTF. For eg. my tag is NAME so I want to add condition that if name is Tina then yes should be displayed in output else no. How can I do this? Please help.

    shrutika5 pointsBadges:
  • NoSQL vs ACID compliant

    What is the difference between 'NoSQL’ databases as compared with ‘ACID-compliant’ databases?

    Presaciki5 pointsBadges:
  • Migrating DTS packages to SSIS

    What is the tool that migrates DTS packages to SSIS, and how effective is it?

    SQL Server Ask the Experts2,585 pointsBadges:
  • SQL Express used for SSIS?

    Can SQL Express be used for SSIS?

    Lianv10 pointsBadges:
  • Fuzzy search in Oracle SQL

    Hi, We need to fuzzy search on table which have 20 million records and its will be growing continuosly adding 20K records each day. Our application is J2EE environment where we make a jndi call to database and run the queries. Fuzzy search query what we have is the below query which search for...

    surajul5 pointsBadges:
  • Lower cost business intelligence tool

    I'm running a small business, I need cheap and efficient BI Tool. What should I use?

    Aana125 pointsBadges:
  • SQL Export to Excel file column?

    I need to create a SSIS Package in which the data is export to Excel file the problem is the date and time column in sql there is one column and i need to separate it into two column can any body help e i thid? thank in advance

    Shamilh10 pointsBadges:
  • Exporting data from SSIS to Excel

    I am trying to export data into Excel from SSIS. For the purpose of this question, the table is called “products” and has two columns. I would like to extract each row of data into a separate Excel file and save it with the product name so I can email it accordingly. How do I go about this?

    WindowsServerATE335 pointsBadges:

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