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Finance | Project Operations, Human Resources, ...
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Performance timer, Trace parser, Aplication insight, Telematory tool for performance monitoring

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Posted on by 872

Hi team,

For the performance monitoring we used performance timer,Trace parser, Aplication insight, Telematory tools in D365FO 

In which sequence we should go … I mean which one come first, then next one so on…

Pls advise, thanks

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    SajeedMullaji Profile Picture
    684 on at

    @CU10121822-0 
    The correct sequence is Application Insights → Performance Timer → Trace Parser. Always work from macro to micro — environment level first, then session level, then code level. Reversing this wastes hours debugging X++ when the real issue is a database lock.

    Phase 1 — Application Insights and Telemetry — start here
    When a user reports the system is slow — do not touch the UI or code yet. Query Application Insights or LCS Environment Monitoring. Look for SQL DTU spikes, blocking queries, deadlocks, and long-running batch threads. This tells you where and when the problem is happening — systemic database issue or isolated process.

    Phase 2 — Performance Timer — once you have isolated the slow process
    Append &debug=develop to your D365 URL. Reproduce the exact slow steps. The timer splits execution time between Client, Network, and Server. If Client time is high — the issue is UI rendering. If Server time is high — the issue is X++ or SQL. This tells you who is to blame before you open a single line of code.

    Phase 3 — Trace Parser — only after Performance Timer confirms Server is the bottleneck
    Capture an ETL trace using Settings > Trace while executing the slow process. Open in the Trace Parser desktop utility. Sort by Inclusive/Exclusive time in the Call Tree. Trace Parser pinpoints the exact X++ method causing the delay, highlights inefficient database roundtrips like while select loops without set-based operations, and exposes missing indexes.

    Skip Phase 1 and you risk spending days optimizing code that was never the problem.

    If it helps, mark as answered

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