SA.NEXT - SA feedback needed
rednaxelafx at gmail.com
Fri Feb 7 18:34:49 PST 2014
On Fri, Feb 7, 2014 at 2:53 PM, Coleen Phillimore <
coleen.phillimore at oracle.com> wrote:
> On 1/31/14 9:19 AM, Dmitry Samersoff wrote:
>> 1. How often do you use SA?
> I tried once, but I think it was broken.
> Was that CLHSDB you tried?
There could be cases where you've used SA under the hood of some j-* tools,
e.g. jstack -F/-m or on core dump, jmap -heap/-F or on core dump, etc.
And yeah, SA can be broken from time to time...for the exact reason you
> I've said before that I believe the SA should be discontinued unless the
> problem of duplicated hotspot code in it can be resolved. We are in the
> process of changing many things in the code and the tax of a duplicate
> implementation in Java is too high. Find a way to use the libjvm.so or a
> libjvm_sa.so to retrieve hotspot internals.
> Without a way to mechanically generate all the mirroring data structures,
I'd concur on this point. But do please come up with a viable alternative
before discontinuing SA.
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