cluster troubleshooting

360 Tech Engineering

Aug 10, 2020 · Databases

TiDB Cluster Write‑Write Conflict Investigation and Resolution

This article analyzes a TiDB cluster performance incident where QPS dropped and duration spiked due to write‑write conflicts, detailing the monitoring data, root‑cause investigation of server‑busy and scheduler latch issues, and the attempted mitigation steps such as enabling txn‑local‑latches and adjusting insert statements.

Database OperationsPerformance MonitoringTiDB

0 likes · 10 min read

TiDB Cluster Write‑Write Conflict Investigation and Resolution

360 Zhihui Cloud Developer

Aug 5, 2020 · Databases

How a TiDB Write Conflict Crashed a Cluster and What Fixed It

This article analyzes a TiDB production cluster outage caused by write‑write conflicts, walks through the monitoring data and log investigation, explains the underlying transaction model differences, and shares the step‑by‑step troubleshooting process that led to the final resolution.

Database PerformanceSchedulerTiDB

0 likes · 11 min read

How a TiDB Write Conflict Crashed a Cluster and What Fixed It