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Aikesheng Open Source Community
Aikesheng Open Source Community
Dec 30, 2024 · Databases

Seven-Step Guide to Diagnose OceanBase Cluster Login "Access Denied" Errors

This article presents a systematic seven‑step troubleshooting procedure for the common "Access denied" login error when connecting to an OceanBase cluster, covering password verification, network connectivity, user privileges, client compatibility, tenant parameters, obproxy logs, and configuration checks.

AccessDeniedDatabaseTroubleshootingLoginError
0 likes · 6 min read
Seven-Step Guide to Diagnose OceanBase Cluster Login "Access Denied" Errors
Xiaolei Talks DB
Xiaolei Talks DB
Nov 22, 2024 · Databases

Master OceanBase and OBproxy Upgrades on Kubernetes and Bare Metal

This guide details the upgrade procedures, prerequisites, and impact considerations for OceanBase, OBproxy, OCP, and OB‑DashBoard across Kubernetes and bare‑metal environments, providing step‑by‑step commands, dashboard actions, and DBA precautions to ensure a smooth transition.

Cloud NativeDatabaseKubernetes
0 likes · 10 min read
Master OceanBase and OBproxy Upgrades on Kubernetes and Bare Metal
Xiaolei Talks DB
Xiaolei Talks DB
Nov 8, 2024 · Cloud Native

How to Deploy OceanBase OBProxy and Dashboard on Kubernetes: Step‑by‑Step Guide

This guide walks you through deploying OceanBase OBProxy and the OceanBase Dashboard on a Kubernetes cluster using yaml manifests, a setup script, and Helm, covering environment requirements, configuration details, verification steps, and access instructions.

Cloud NativeDashboardDatabase Proxy
0 likes · 8 min read
How to Deploy OceanBase OBProxy and Dashboard on Kubernetes: Step‑by‑Step Guide
Aikesheng Open Source Community
Aikesheng Open Source Community
Sep 5, 2024 · Databases

Analyzing and Resolving OceanBase Connection Timeout via OBProxy Logs and Packet Capture

This article walks through a production‑level OceanBase connection‑timeout incident, detailing how to examine OBProxy logs, capture and analyze network packets with tcpdump and Wireshark, identify a blocked random port, and apply kernel‑parameter fixes to prevent the issue.

DatabaseLinuxNetwork Troubleshooting
0 likes · 10 min read
Analyzing and Resolving OceanBase Connection Timeout via OBProxy Logs and Packet Capture
Aikesheng Open Source Community
Aikesheng Open Source Community
Aug 30, 2023 · Information Security

Configuring Transport Encryption for OceanBase (OBServer and ODP)

This guide explains how to prepare the environment, enable SSL transport encryption for OceanBase OBServer and ODP via OBProxy, configure certificates and whitelist settings, and verify the encryption using MySQL and RPC ports, while highlighting common pitfalls and reference links.

OBproxyObserverOceanBase
0 likes · 7 min read
Configuring Transport Encryption for OceanBase (OBServer and ODP)
Aikesheng Open Source Community
Aikesheng Open Source Community
May 25, 2023 · Databases

Analyzing Slow Queries in OceanBase: Log‑Based Diagnosis and Performance Optimization

This article consolidates practical experience and author insights to guide OceanBase engineers in quickly diagnosing and resolving slow‑SQL performance issues by leveraging ODP and OBServer logs, key metrics, and systematic analysis steps.

OBproxyOceanBaseSQL Optimization
0 likes · 15 min read
Analyzing Slow Queries in OceanBase: Log‑Based Diagnosis and Performance Optimization
Aikesheng Open Source Community
Aikesheng Open Source Community
Feb 27, 2023 · Databases

Investigation of session_id source and bulk tenant connection termination in OceanBase via observer and obproxy

This article examines how session IDs are derived for the kill command in OceanBase, compares IDs obtained through show processlist, information_schema.processlist, and oceanbase.__all_virtual_processlist, and demonstrates methods to terminate all connections of a specific tenant across different observers and obproxies.

DatabaseKill CommandOBproxy
0 likes · 7 min read
Investigation of session_id source and bulk tenant connection termination in OceanBase via observer and obproxy
Aikesheng Open Source Community
Aikesheng Open Source Community
Feb 1, 2023 · Databases

Step-by-Step Deployment of OceanBase OBproxy and Config Server

This guide walks through preparing the environment, building and launching the OceanBase Config Server, registering it with an OB server cluster, installing and configuring OBproxy, and includes troubleshooting tips for common connection issues.

Config ServerDatabase DeploymentDevOps
0 likes · 11 min read
Step-by-Step Deployment of OceanBase OBproxy and Config Server
AntTech
AntTech
Oct 12, 2019 · Databases

Technical Analysis of OceanBase TPC-C Benchmark and Link‑Layer Optimizations

This article details OceanBase’s achievement in the TPC‑C benchmark, explaining the test architecture, the role of ODBC and OBProxy, and the various link‑layer performance, resource, and durability optimizations that enable high throughput and continuous service in a distributed database environment.

Database BenchmarkOBproxyODBC
0 likes · 10 min read
Technical Analysis of OceanBase TPC-C Benchmark and Link‑Layer Optimizations