10 Lessons Learned By Big Data Pioneers
August 23, 2011 02:10 PM How can you prepare for the big data era? Consider this expert advice from IT pros who have wrestled with the thorny problems, including data growth and unconventional data.
Lesson 2: Be Careful What You Count When Measuring Data Growth
When planning a data warehouse investment, look beyond the simple dimensions of customer, record, or transaction counts. That's a lesson learned by Harvard Medical School, which has long examined about 20 year's worth of medical records to study the efficacy and risks of various drugs. While the patient counts and timeframes have remained fairly constant, the richness of each medical record has grown as new measures such body mass index and LDL cholesterol have emerged. Data grows in unexpected ways, so understand all dynamics before projecting needs.