Name: dk106046 Date: 01/09/2003
From 1.3.1 onwards verbosegc option only provide the
following type of information:
GC 129114K-99185K(260992K), 0.0287809 secs
Full GC 127643K-99265K(260992K), 3.8968919 secs
According to SUN's doc "Interpreting -verbosegc Output":
(http://docs.sun.com/db/doc/806-1367/6jalj6mv5? a=view) using command
"-verbosegc -verbosegc" should give more info than above. Examples:
Gen0(semi-spaces); size=4096kb, free=0kb, maxAlloc=0kb
From space; size=524288 words, used=524286 words, free=2
To space; size=524288 words, used=1 words, free=524287
Gen0(semi-spaces)-GC #4 tenure-thresh=0 61ms 0%-28% free
Gen0(semi-spaces); size=4096kb, free=571kb, maxAlloc=571kb
From space; size=524288 words, used=378157 words, free=146131
To space; size=524288 words, used=1 words, free=524287
Gen1(mark-compact); size=4096kb, free=0kb, maxAlloc=0kb
Gen1(mark-compact)-GC #1 Gen1: 850kb dense
262ms 0%-2% free
Gen1(mark-compact); size=4096kb, free=80kb, maxAlloc=80kb
Also, adding the start timestamp and elapsed time would be most useful.
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- relates to
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JDK-4510002 Hotspot verbosegc logs not just as adequate as EVM verbosegc logs.
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- Closed
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