[PATCH] ObjectInputStream Reading Performance Optimisation

Alan Bateman Alan.Bateman at oracle.com
Wed Feb 7 13:29:45 UTC 2018


On 07/02/2018 12:55, Ben Walsh wrote:
> Hi David,
>
> I suspected the adding of
> src/java.base/share/classes/java/io/ClassCache.java and the usage of it,
> would mean this patch would have to go through the "proving ground" of
> valhalla.
>
> I am happy to resubmit to core-libs-dev if that is not the case or I have
> misunderstood.
>
> Ben
I don't have the full context here but core-libs-dev is the place to 
bring optimizations to serialization. As David said, serialization and 
OIS/deserialization in particular, has a long rap sheet, including 
security issues found with previous attempts to cache the "latest user 
defined class loader". I also have concerns that this is introducing 
code that may not be exercised in OpenJDK. If you can get someone to 
publish a webrev on cr.ojn and start a discussion on core-libs-dev then 
it would be helpful.

-Alan



More information about the valhalla-dev mailing list