Excessive concurrent-abortable-preclean wall time?

[Y.S.Ramakrishna at Sun.COM]

>>
>> We asked ops to add -XX:MaxTenuringThreshold=2 and
>> -XX:SurvivorRatio=128, in the hopes that the addition of the tenuring
>> threshold would prevent the live transient data from being promoted.

This was also exactly the right thing to do to arrest possible fragmentation
and, in any case, to reduce pressure on the concurrent collector.

-- ramki

> Of course, you sized SurvivorRatio so that all of that transient data
> (and then some) fitted in the survivor spaces (as your tenuring 
> distribution
> data below showed).
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