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Martin Knoblauch wrote:
>>> I believe apr was modified to include multicast functionality, I'm
>>> not sure about
>>> the rest.
>>>
>> Hi Brooks,
>>
>> good point. Now I remember the same. Time for a session with "diff"
>> :-)
>>
>> Martin
>>
> Matt,
>
> "diff" does not make me happy. It seems our version of apr-0.9.5 was
> not a final release. The apr-0.9.5 sources from apache show pretty big
> differences to our stuff.
>
> Martin
>
I went over the diffs between the version of apr provided w/ Ganglia
3.0.2 and apr-0.9.5.
While I didn't dig too heavily into the code, I've made the following
observations:
1. Most of the changes relate to the build process (makefiles mostly).
2. There are changes to how threads are handled, but they are all
internal to apr function implementations.
3. There are a few changes to how locks are handled - again, inside
apr functions.
4. Added support for various platforms.
5. There seem to be _no changes to function parameters_.
6. Only a handful of functions were added, apparently all of them
used internally by apr.
7. There's no mention of multicast support in Ganglia's version of apr.
8. A few files are now shipped under version 2 of the Apache
license rather than v1.1.
I believe we can run a test of Ganglia using apr-0.9.5 on several
platforms to see how we're doing. If this comes out okay, we could
start looking at newer versions. The reason I'm suggesting we look at
0.9.5 first is that changes against our current version don't seem
significant (0.9.7 doesn't seem like a major bump either but I haven't
gone over the diffs).
This raises another issue, which I believe is significant to the
development process of Ganglia. At the moment we don't seem to have
(correct me if I'm wrong) official testers for various platforms.
Maybe we could have some people volunteer to be official beta testers?
We wouldn't have to have a release out the door without properly
testing it under most OS/archs.
Just my $0.02...
Cheers,
Alex
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