Where Did the Time Go? Query Profiler in CHOps
Read ClickHouse® flame graphs in the CHOps Query Profiler to find the real bottleneck - sampling rates, CPU vs wait time, and what each trace type tells you.
August 26, 202611 min read
Tag: query-profiler
Posts tagged "query-profiler"
Track ClickHouse® Database CPU, Memory, and IO
Use per-second resource timelines to see how a ClickHouse® database query used CPU, memory, and disk IO, and catch the moment it went wrong.
May 16, 20264 min read
Reading ClickHouse® Database Query Flame Graphs
Use the ClickHouse® database query profiler and flame graphs to see exactly where a slow query spends its time, and what to do about it.
May 14, 20264 min read
Debug Slow ClickHouse® Database Queries: System Tables
A practical guide to finding and fixing slow ClickHouse® database queries using system.query_log, system.processes, and the query profiler.
May 12, 20264 min read