(Slightly OT) Telling exactly which objects get promoted
ben.evans at db.com
Thu Apr 8 03:26:27 PDT 2010
Apologies if this is too off-topic, or is covered in a document which my
Google-Foo has been insufficient to locate so far.
I have an application which is displaying an odd collection pattern on
large heaps (3G on a 32-bit 6u18). Broadly, all our objects are
sufficiently short-lived that we don't expect any of them to survive to
tenure, and yet a small amount of them seem to, so over time we are unable
to completely avoid full collections.
We would like some tool or JVM setting which would allow us to see exactly
which objects (or failing that, their classes) are reaching tenure. Can
anyone suggest something suitable, or some docs?
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