OceanDB Pro https://www.oceandbpro.com OceanBase consulting for architecture, migration, performance, HA, and production operations. Guides and runbooks for architects and operators. en-us Backup and Point-in-Time Recovery https://www.oceandbpro.com/guides/operations-backup-dr/backup-point-in-time-recovery/ https://www.oceandbpro.com/guides/operations-backup-dr/backup-point-in-time-recovery/ Wed, 26 Aug 2026 00:00:00 GMT Backup types, restore validation, and PITR workflows for OceanBase tenants in production. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) Diagnosing Replication Lag https://www.oceandbpro.com/guides/troubleshooting-runbooks/diagnosing-replication-lag/ https://www.oceandbpro.com/guides/troubleshooting-runbooks/diagnosing-replication-lag/ Wed, 26 Aug 2026 00:00:00 GMT Find and fix OceanBase replication lag on log streams before it becomes an outage. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) HTAP Retail Inventory: OLTP + Analytics on One Cluster https://www.oceandbpro.com/guides/htap-use-cases/htap-retail-inventory/ https://www.oceandbpro.com/guides/htap-use-cases/htap-retail-inventory/ Wed, 26 Aug 2026 00:00:00 GMT How a retail workload combines real-time inventory updates with same-day sales aggregates without ETL. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) Index Selection for Wide Tables https://www.oceandbpro.com/guides/performance-tuning/index-selection-wide-tables/ https://www.oceandbpro.com/guides/performance-tuning/index-selection-wide-tables/ Wed, 26 Aug 2026 00:00:00 GMT Practical heuristics for choosing primary, secondary, and covering indexes on wide OceanBase tables. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) Log Stream Architecture in OceanBase https://www.oceandbpro.com/guides/architecture-deep-dives/log-stream-architecture/ https://www.oceandbpro.com/guides/architecture-deep-dives/log-stream-architecture/ Wed, 26 Aug 2026 00:00:00 GMT How OceanBase partitions data into log streams, elects leaders, and replicates via Paxos across zones. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) MySQL to OceanBase Migration Checklist https://www.oceandbpro.com/guides/migration-guides/mysql-migration-checklist/ https://www.oceandbpro.com/guides/migration-guides/mysql-migration-checklist/ Wed, 26 Aug 2026 00:00:00 GMT A phased checklist for schema conversion, dual-write validation, and production cutover from MySQL. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) Oracle Mode vs MySQL Mode: SQL Differences https://www.oceandbpro.com/guides/compatibility-modes/oracle-vs-mysql-mode/ https://www.oceandbpro.com/guides/compatibility-modes/oracle-vs-mysql-mode/ Wed, 26 Aug 2026 00:00:00 GMT Syntax and function differences when choosing OceanBase MySQL or Oracle compatibility mode. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) Paxos Quorum Design for Multi-Region https://www.oceandbpro.com/guides/high-availability-paxos/paxos-quorum-multi-region/ https://www.oceandbpro.com/guides/high-availability-paxos/paxos-quorum-multi-region/ Wed, 26 Aug 2026 00:00:00 GMT Replica placement, witness nodes, and quorum math for OceanBase across two or three regions. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) Tenant Resource Isolation with Resource Groups https://www.oceandbpro.com/guides/multi-tenancy-resource-isolation/tenant-resource-isolation/ https://www.oceandbpro.com/guides/multi-tenancy-resource-isolation/tenant-resource-isolation/ Wed, 26 Aug 2026 00:00:00 GMT CPU and memory caps per tenant workload using OceanBase resource group directives. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) TPC-C Style Benchmark Setup on OceanBase https://www.oceandbpro.com/guides/benchmarks-capacity-planning/tpc-c-benchmark-setup/ https://www.oceandbpro.com/guides/benchmarks-capacity-planning/tpc-c-benchmark-setup/ Wed, 26 Aug 2026 00:00:00 GMT Reproducible sysbench/TPC-C harness configuration for baseline capacity numbers. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) OceanBase 4.x Release Notes for Operators https://www.oceandbpro.com/blog/oceanbase-4x-release-notes/ https://www.oceandbpro.com/blog/oceanbase-4x-release-notes/ Wed, 26 Aug 2026 00:00:00 GMT Operator-facing changes in OceanBase 4.x: log streams, EXPLAIN ANALYZE, and OCP requirements. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) Leader Failover Runbook https://www.oceandbpro.com/runbooks/leader-failover/ https://www.oceandbpro.com/runbooks/leader-failover/ Wed, 26 Aug 2026 00:00:00 GMT Controlled steps to verify and recover from OceanBase log stream leader failure. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) MemStore Freeze Incident Runbook https://www.oceandbpro.com/runbooks/memstore-freeze-incident/ https://www.oceandbpro.com/runbooks/memstore-freeze-incident/ Wed, 26 Aug 2026 00:00:00 GMT Respond when tenant memstore reaches limit and writes stall. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/) What is OceanBase? https://www.oceandbpro.com/learn/what-is-oceanbase/ https://www.oceandbpro.com/learn/what-is-oceanbase/ Wed, 26 Aug 2026 00:00:00 GMT OceanBase is a distributed relational database that replicates data in log streams using Paxos. It supports MySQL and Oracle compatibility modes. Ankit Mehta (https://www.oceandbpro.com/authors/ankit-mehta/)