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#performance-troubleshooting

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Article0 replies928 followingPosted 11 Mar 2026, 10:47 UTC88.6K views4,368 votes

Resolving 'Too many parts' (Exception 252) in ClickHouse MergeTree

Learn how to diagnose and fix the 'Too many parts' (Exception 252) error in ClickHouse. This guide covers identifying merge backlogs, handling stuck mutations, and optimizing insert patterns.

Community & Careers · Guide

clickhouse

Community & Careers

Article1 reply1 comment4,234 followingPosted 15 Jul 2026, 16:53 UTC146.6K views4,387 votes

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Diagnosing High Response Time Alerts in Dynatrace for Microservices

Learn how to triage a Dynatrace high‑response‑time problem by checking CPU, thread pools, downstream latency, GC, and request size, then apply the matching fix.

Community & Careers · Guide

dynatrace response-time microservices