IBM User Guide for Java V7 on Windows > Troubleshooting and support > Using diagnostic tools > Shared classes diagnostic data > Understanding shared classes diagnostics output

Verbose output

The verbose suboption of -Xshareclasses gives the most concise and simple diagnostic output on cache usage.

See JVM command-line options. Verbose output will typically look like this:

 
>java -Xshareclasses:name=myCache,verbose -Xscmx10k HelloWorld 
[-Xshareclasses verbose output enabled] 
JVMSHRC158I Successfully created shared class cache "myCache" 
JVMSHRC166I Attached to cache "myCache", size=10200 bytes 
JVMSHRC096I WARNING: Shared Cache "myCache" is full. Use -Xscmx to set cache size. 
Hello 
JVMSHRC168I Total shared class bytes read=0. Total bytes stored=9284

This output shows that a new cache called myCache was created, which was only 10 kilobytes in size and the cache filled up almost immediately. The message displayed on shut down shows how many bytes were read or stored in the cache.

Parent: Understanding shared classes diagnostics output

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