Fedora sun.misc.Unsafe statistics

David Holmes david.holmes at oracle.com
Tue May 6 12:13:15 UTC 2014

On 6/05/2014 9:22 PM, Florian Weimer wrote:
> On 03/12/2014 10:45 AM, Paul Sandoz wrote:
>> Hi Florian,
>> Thanks for doing this.
> Sorry, I missed your follow-up until now.
>> Do you have any more context on what RPMs/jars are using what methods
>> of Unsafe?
> Attached.  Columns are package NEVRA, JAR name, method and descriptor in
> Unsafe.  I used CSV this time to reduce file size (there's no column
> padding).  Hopefully the attachment is below the mailing list size limit.

Either too big or not an accepted MIME type. :(


>> It might be useful to obtain the number of (transitive) dependencies
>> on such jars. I don't have data yet from maven central but i know some
>> jars that use Unsafe are quite popular.
> Yes, I see a few rather well-known packages in the list.  We do not have
> good dependency information in Fedora (the Powers That Be refuse to use
> Class-Path entries in manifests), so I'm not sure if I should try to
> come up with a WITH RECURSIVE query (CONNECT BY for you guys :-) that
> counts the reverse dependencies.
> I plan to file Fedora bugs for the sun.misc.* changes as they hit JDK 9,
> provided that the Fedora folks do not object.

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