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I'm using Hadoop and I can't figure out when reduce tasks start up. Do they actually start after a percentage of mappers complete? Would there a fixed threshold? Thank you for the help.
I'm pretty new to the Hadoop/big data industry but I'm trying to figure how secondary sorting works in Hadoop. Why would I have to use GroupingComparator when doing this? Does anyone know how this works?
For the past few years, I've been a C# developer, along with knowledge in Java. I would like to start learning Hadoop but I'm not sure where to start. Is there something along the lines of a .NET equivalent to Hadoop? Any help would be greatly appreciated.
I am an IT professional working as a freelancer in Sydney, Australia. I am looking for your advice for some course or training provider for SAP crystal reports for enterprise (version 14), Information design tool, Universe design and BI launch pad. As I have a lot of past experience in Crystal...
Costs go to assets. P.O.'s are aligned to Cost Centers. How can I lock a cost center from use by others in Maximo. I.E. A P.O. is created for work on an asset. Someone in operations can decide that its a maintenance issue and assign the maintenance cost center. Is it possible to put a halt to this...
I've been in the IT industry for 8 years (2003-2011). I've been MCSE/MCSA certified in windows 2000 and 2003 since 2003. In 2005, 2006, 2007, i got CCNA, CCNP, and CCSP certified respectively. In 2008, i got MCTS in windows server 2008. After all these mix of IT certifications, i can say that the...
I know the Cisco IOS must support IP SLA, is there a minimum IOS version requirement? This is specific for the monitoring of MOS scores.
What is the difference between WCF and Web Services in .NET? Why are we using WCF in place of WebServices?
File cannot be created if open attachment in lotus notes 8.5.3
Hi everyone, I have a form used to print letters and the user wants to include an image in the header. I'm using the form properties "Add header to form" and I added an image at the beginning of the form. With this solution, the user must change the page margins to force the image to be shown at...
How to set up a automatic reply using a template
Is there a way I can export data from R to SQL Server quickly? The standard way (SQLSave) is really slow for a large amount of data. This is what I tried so far: toSQL = data.frame(...); sqlSave(channel,toSQL,tablename="Table1",rownames=FALSE,colnames=FALSE,safer=FALSE,fast=TRUE); Thank you!
I have roughly thousands of points that I need plotted with Highcharts. Would there be a way to cluster the data on a server (so it shows less than 1,000 points but when you zoom in, it will make Ajax calls to get the data for that zoomed in region). Hopefully that makes sense. I would appreciate...
I know that %NOT is a function available for using in the qryslt parameter of opnqryf but I can't figure out how to code it. I would like to eliminate all records with a range in the middle of the possible range, for example, select all facilities except those is the range of 600 - 699. Is this...
Hi, I would like to know if there is any Form Definition in iSeries that have a Margin of 1/8 inch. I believe that F1C10110 had a margin of 1/6 inch. We had a problem that the bottom of the printing is being cut off. Any advice? We are using Printronix T5304r. Help!
Uninstalled an expired trial of Office 7 & installed office 7 with product key. Keep getting same message as expired trial was giving "MS Excel (or Word or PP) has not been installed for the current user. Please run setup to install the application." Please advise.
We have a laptop with two users. One user has no problem getting on the internet. The other user keeps getting the message that the proxy server is not available. This just happened and not sure how to fix.
I am working on a model using WebSphere portlet factory that I cannot get to connect to the data on our iSeries. Does anyone have the Server Administrative Console setup required for this connection? Are there any other configuration elements that are needed? Thanks! Carolyn
Hi All, We have just upgraded from V5.4 to V6.1 and have run into a problem with a program that does a sndpgmmsg of CPF1241. The date and time parameters are data types *UTCD and *UTCT. What should be used to populate those parameters when sending the message? Everything I've tried so far...
My department has around 100 million of records in a database. But roughly 65% of the records will be deleted on a daily basis and roughly the same amount of records will be added in. We feel like a big data document database like HBase, Cassandra or Hadoop could do this for us but we're not sure...