Feature List

Features of SAP Memory Analyzer

Features which our users considered very helpful are marked with an .

SWT-based GUI
Batch mode - parse a heap dump and run leak suspects report from the command lne

Leak suspects report (see blog post "Finding Memory Leaks with One Click")
Class histogram of a single heap dump with grouping by Class/ClassLoader
Class histogram of the difference between two heap dumps with grouping by Class/ClassLoader
Dominator Tree used to find the biggest distinct objects and allowing to explore the keep-alive tree of the object graph (Shallow Size and Retained Size) with grouping by Class/ClassLoader
Immediate Dominators on an object set with exclude pattern for faster problem recognition and grouping by Class/ClassLoader
Retained size for single object
Compute precise retained size for an object set
Compute minimum retained size for an object set very fast
Show retained set by RegEx for class name or specific ClassLoader
Execute OQL query (SQL-like Object Query Language)
Outbound References from one single object
Inbound References to one single object
Outbound References from a set of objects grouped by class
Inbound References to a set of objects grouped by class
Object Lists
Object Inspector (Address, Class, ClassLoader, Shallow Size, Retained Size, GCInfo, static and instance fields with types, names, and values)
Find object by address
Open selected object in the dominator tree
Paths from the GC roots/threads to one single object
Shortest paths from the GC roots to a set of objects
Heap Dump Info (Size, 32/64 Bit, #Objects, #Classes, #ClassLoaders, #GCRoots)
Heap Dump History of last opened heap dumps

Welcome Page
Manual
New and Noteworthy
Tutorials (Basic Analysis, Unique Features, OQL in 1 minute, Console, How to find memory problems?)
Icon Assist

ClassLoader will show name of deployment unit if detected as SAP JEE class loader
Registered Loaders Query listing all ClassLoaders which are registered in the ClassLoader registry of the SAP JEE Engine
Leaking Loaders Query listing all ClassLoaders which are NOT registered in the ClassLoader registry of the SAP JEE Engine (see blog)
Query showing the JEE Cache Regions
Query displaying the JEE Session

Instant reopen of once parsed heap dumps
Default extractors for Java standard collections (LinkedList, ArrayList, Vector, HashSet, HashMap/Hashtable Keys/Values)
Copy address, value or class name via context menu or press CTRL+C for class name
Copy whole view to clipboard (helps you to avoid huge screenshots and is handy for postings)
Export whole table to CSV
Auto-expand object reference chains until more than one object is found
Totals tool-tip of the selected rows above a hovered column
Totals line for any table
Store once calculated retained size per class in the class histogram along with the heap dump
Free-text notes view which will be stored along with the heap dump for your notes
Auto-detection of deleted heap dumps cleaning up the history