By Clay on November 13, 2016
This is likely an obvious process for those who use IDE’s and develop in Maven daily but for those who do operations or otherwise need to work on the JUnit tests in HBase only infrequently, here’s how I worked when submitting a patch for HBASE-16700. First, create your code: Here I was adding a MasterObserver […]
Posted in HBase, Java |
By Clay on June 8, 2015
HBase Region Locality HBase provides information on region locality via JMX per region server via the hbase.regionserver.percentFilesLocal. However, there is a challenge when running a multi-tenant environment or doing performance analysis. This percent of files local is for the entire region server but of course each region server can serve regions for multiple tables. And […]
Posted in HBase, JRuby |