With the release of CDH6.3 customers can now use OpenJDK11 with Cloudera Enterprise 6.3 and HBase 2.1. One of the changes in JDK11 is the Garbage Collector. A garbage collector (GC) is a memory management tool. JDK11 now uses Garbage First Garbage Collector as the default garbage collector and also introduced the new Z Garbage […]
HBase Customers upgrading to CDH 6 from CDH 5, will also get an HBase upgrade moving from HBase1 to HBase2. Performance is an important aspect customers consider. We measured performance of CDH 5 HBase1 vs CDH 6 HBase2 using YCSB workloads to understand the performance implications of the upgrade on customers doing in-place upgrades (no […]