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HiveServer2

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Big Data Technology Architecture
Big Data Technology Architecture
Nov 28, 2021 · Big Data

Investigation and Resolution of HiveServer2 JDBC Connection Failures and GC‑Induced Hang

The article analyzes why HiveServer2 experiences JDBC connection failures and task execution stalls under high concurrency, reproduces the issues using GC monitoring and large join queries, and presents memory‑ and GC‑tuning solutions including server migration and JVM parameter adjustments to improve stability.

GC tuningHadoopHiveServer2
0 likes · 7 min read
Investigation and Resolution of HiveServer2 JDBC Connection Failures and GC‑Induced Hang
Big Data Technology Architecture
Big Data Technology Architecture
Sep 28, 2021 · Big Data

Integrating Apache Kyuubi with CDH 6 and Spark 3: Deployment, Configuration, and Performance Tuning

This guide explains how to deploy Apache Kyuubi on a CDH 6 cluster, replace HiveServer2 with Kyuubi, integrate Spark 3, apply necessary patches, configure environment and Spark settings, and optimize engine sharing for various workloads, providing complete code snippets and step‑by‑step instructions.

CDHHiveServer2Kyuubi
0 likes · 19 min read
Integrating Apache Kyuubi with CDH 6 and Spark 3: Deployment, Configuration, and Performance Tuning