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From Kant Kodali <k...@peernova.com>
Subject Re: Why does Cassandra recommends Oracle JVM instead of OpenJDK?
Date Wed, 21 Dec 2016 10:59:31 GMT
https://www.elastic.co/guide/en/elasticsearch/guide/current/_java_virtual_machine.html

On Wed, Dec 21, 2016 at 2:58 AM, Kant Kodali <kant@peernova.com> wrote:

> The fact is Oracle is horrible :)
>
>
> On Wed, Dec 21, 2016 at 2:54 AM, Brice Dutheil <brice.dutheil@gmail.com>
> wrote:
>
>> Let's not debate opinion on the Oracle stewardship here, we certainly
>> have different views that come from different experiences.
>>
>> Let's discuss facts instead :)
>>
>> -- Brice
>>
>> On Wed, Dec 21, 2016 at 11:34 AM, Kant Kodali <kant@peernova.com> wrote:
>>
>>> yeah well I don't think Oracle is treating Java the way Google is
>>> treating Go and I am not a big fan of Go mainly because I understand the
>>> JVM is far more robust than anything that is out there.
>>>
>>> "Oracle just doesn't understand open source" These are the words from
>>> James Gosling himself
>>>
>>> I do think its better to stay away from Oracle as we never know when
>>> they would switch open source to closed source. Given their history of
>>> practices their statements are not credible.
>>>
>>> I am pretty sure the community would take care of OpenJDK.
>>>
>>>
>>>
>>>
>>>
>>> On Wed, Dec 21, 2016 at 2:04 AM, Brice Dutheil <brice.dutheil@gmail.com>
>>> wrote:
>>>
>>>> The problem described in this article is different than what you have
>>>> on your servers and I’ll add this article should be reaad with caution,
as
>>>> The Register is known for sensationalism. The article itself has no
>>>> substantial proof or enough details. In my opinion this article is
>>>> clickbait.
>>>>
>>>> Anyway there’s several point to think of instead of just swicthing to
>>>> OpenJDK :
>>>>
>>>>    -
>>>>
>>>>    There is technical differences between Oracle JDK and openjdk.
>>>>    Where there’s licensing issues some libraries are closed source in Hotspot
>>>>    like font, rasterizer or cryptography and OpenJDK use open source
>>>>    alternatives which leads to different bugs or performance. I believe they
>>>>    also have minor differences in the hotspot code to plug in stuff like
Java
>>>>    Mission Control or Flight Recorder or hotpost specific options.
>>>>    Also I believe that Oracle JDK is more tested or more up to date
>>>>    than OpenJDK.
>>>>
>>>>    So while OpenJDK is functionnaly the same as Oracle JDK it may not
>>>>    have the same performance or the same bugs or the same security fixes.
>>>>    (Unless are your ready to test that with your production servers and your
>>>>    production data).
>>>>
>>>>    I don’t know if datastax have released the details of their
>>>>    configuration when they test Cassandra.
>>>>    -
>>>>
>>>>    There’s also a question of support. OpeJDK is for the community.
>>>>    Oracle can offer support but maybe only for Oracle JDK.
>>>>
>>>>    Twitter uses OpenJDK, but they have their own JVM support team. Not
>>>>    sure everyone can afford that.
>>>>
>>>> As a side note I’ll add that Oracle is paying talented engineers to
>>>> work on the JVM to make it great.
>>>>
>>>> Cheers,
>>>> ​
>>>>
>>>> -- Brice
>>>>
>>>> On Wed, Dec 21, 2016 at 6:55 AM, Kant Kodali <kant@peernova.com> wrote:
>>>>
>>>>> Looking at this http://www.theregister.co
>>>>> .uk/2016/12/16/oracle_targets_java_users_non_compliance/?mt=
>>>>> 1481919461669 I don't know why Cassandra recommends Oracle JVM?
>>>>>
>>>>> JVM is a great piece of software but I would like to stay away from
>>>>> Oracle as much as possible. Oracle is just horrible the way they are
>>>>> dealing with Java in General.
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>

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