Instrumented profiling for multimodule Jigsaw startup
Alan.Bateman at oracle.com
Thu Mar 15 06:12:03 PDT 2012
On 15/03/2012 12:52, Aleksey Shipilev wrote:
> Is this the part of that mini-database stuff?
No, that's the module file format for transporting/distributing modules.
The installed format is different (and library implementation specific).
> Are we sure mini database (whatever that means) would be faster than
> carefully-tuned in-memory Java collections and efficient
> marshallers/demarshallers, tied to hand-tuned on-disk form?
> I have a reason to believe it would not make any difference at this
> point. We are talking about ~30ms time spent in configuration loader
> after my "reverse map" patch, in absence of pre-compiled classes,
> running in interpreted mode, experiencing huge I/O, etc.
I'll leave Mark to comment on the results that he observed with his
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