Lessons Learned Deploying Hadoop

So you’ve done your research and quickly realized that Hadoop is going to be at the very core of your company’s Big Data Platform, given that data storage and processing will never get more cost effective than open-source software running on commodity hardware. The next level down the rabbit hole has you in a quandary, though. Beyond Hadoop, you start running into technologies like Hive, Impala, Pig, Storm, YARN and other elements from Hadoop’s periodic table of technologies.

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Whitepaper: 3 Keys to Achieving Mobile Learning Success

Learners have changed, so has the learning. Lately, learning has jumped out of the box and demands success in anytime, anywhere learning. As close as the mobile device is to the user, so is its ability to enhance the user’s performance. This paper identifies 3 key essentials to achieving success in adopting mobile learning for employee performance improvement.

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Whitepaper: 3 Keys to Achieving Mobile Learning Success

Learners have changed, so has the learning. Lately, learning has jumped out of the box and demands success in anytime, anywhere learning. As close as the mobile device is to the user, so is its ability to enhance the user’s performance. This paper identifies 3 key essentials to achieving success in adopting mobile learning for employee performance improvement.

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Why Spanning Tree Should Be Dead But Isn’t

Spanning Tree Protocol (STP) is dead, or at least it should be. It’s too slow to converge when there’s a change, and it causes issues with performance because there is only one forwarding path. It was developed in 1985 by Radia Perlman at Digital Equipment Corporation to allow for redundant paths within a Layer 2 topology, which was great in 1985. In fact, it was huge! So much so, that it was later standardized by the IEEE as 802.1D, and we’ve been living with it ever since.

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