Welcome to the home of advanced diagnostics techniques, such as:

• Memory dump analysis
• Dynamic code profiling
• Investigating phantom issues
• In-depth explanations for certain Sitecore parts

Content leaves in wiki (for now).

Memory Dumps stuff

General

• Myth busting Memory Dumps

• Opening Memory Snapshots generated on other machines locally

• Loading application code from Memory Dump

• What is going on in Memory snapshot

Collecting snapshots

• Collecting crash snapshot via DebugDiag and analyzing it

• Collecting crash snapshot via ProcDump

• Collecting memory snapshots during high CPU and analyzing them

General troubleshooting

• Why when what data needed - when the data is needed and how to collect it.

• When Fiddler - collecting browser-server activity.

• Why does site recycle or crash from IIS logs - analyzing Windows Event Logs to find reasons for site crashes/recycles.

• Debugging framework internals without source code - what if you do not have PDBs but want to debug the program?

• Profiling slow code - how to get an understanding in 2 minutes why the certain operation is slow.

• Getting the Disk Usage By Table report in SQL Server

• Database deadlocks, how to fight back?

• What is HttpModule initialized message about?

How do Sitecore parts work?

Publishing

• How does publishing work

• Investigating why something was not published

Event Queues

• Event-Queues. Why. When. How.

• Cleaning up Event Queues

Indexing stuff

• Sitecore OnPublishEnd Index update strategy

Analytics

• How does Analytics collection work and why it might not