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From Alejandro Abdelnur <t...@cloudera.com>
Subject Re: Upgrade to protobuf 2.5.0 for the 2.1.0 release, HADOOP-9845
Date Sat, 10 Aug 2013 14:01:46 GMT
thanks giri, how do we set 2.4 or 2.5., what is the path to both so we can use and env to set
it in the jobs?

thx

Alejandro
(phone typing)

On Aug 9, 2013, at 23:10, Giridharan Kesavan <gkesavan@hortonworks.com> wrote:

> build slaves hadoop1-hadoop9 now has libprotoc 2.5.0
> 
> 
> 
> -Giri
> 
> 
> On Fri, Aug 9, 2013 at 10:56 PM, Giridharan Kesavan <
> gkesavan@hortonworks.com> wrote:
> 
>> Alejandro,
>> 
>> I'm upgrading protobuf on slaves hadoop1-hadoop9.
>> 
>> -Giri
>> 
>> 
>> On Fri, Aug 9, 2013 at 1:15 PM, Alejandro Abdelnur <tucu@cloudera.com>wrote:
>> 
>>> pinging again, I need help from somebody with sudo access to the hadoop
>>> jenkins boxes to do this or to get sudo access for a couple of hours to
>>> set
>>> up myself.
>>> 
>>> Please!!!
>>> 
>>> thx
>>> 
>>> 
>>> On Thu, Aug 8, 2013 at 2:29 PM, Alejandro Abdelnur <tucu@cloudera.com
>>>> wrote:
>>> 
>>>> To move forward with this we need protoc 2.5.0 in the apache hadoop
>>>> jenkins boxes.
>>>> 
>>>> Who can help with this? I assume somebody at Y!, right?
>>>> 
>>>> Thx
>>>> 
>>>> 
>>>> On Thu, Aug 8, 2013 at 2:24 PM, Elliott Clark <eclark@apache.org>
>>> wrote:
>>>> 
>>>>> In HBase land we've pretty well discovered that we'll need to have the
>>>>> same version of protobuf that the HDFS/Yarn/MR servers are running.
>>>>> That is to say there are issues with ever having 2.4.x and 2.5.x on
>>>>> the same class path.
>>>>> 
>>>>> Upgrading to 2.5.x would be great, as it brings some new classes we
>>>>> could use.  With that said HBase is getting pretty close to a rather
>>>>> large release (0.96.0 aka The Singularity) so getting this in sooner
>>>>> rather than later would be great.  If we could get this into 2.1.0 it
>>>>> would be great as that would allow us to have a pretty easy story to
>>>>> users with regards to protobuf version.
>>>>> 
>>>>> On Thu, Aug 8, 2013 at 8:18 AM, Kihwal Lee <kihwal@yahoo-inc.com>
>>> wrote:
>>>>>> Sorry to hijack the thread but, I also wanted to mention Avro. See
>>>>> HADOOP-9672.
>>>>>> The version we are using has memory leak and inefficiency issues.
>>> We've
>>>>> seen users running into it.
>>>>>> 
>>>>>> Kihwal
>>>>>> 
>>>>>> 
>>>>>> ________________________________
>>>>>> From: Tsuyoshi OZAWA <ozawa.tsuyoshi@gmail.com>
>>>>>> To: "common-dev@hadoop.apache.org" <common-dev@hadoop.apache.org>
>>>>>> Cc: "hdfs-dev@hadoop.apache.org" <hdfs-dev@hadoop.apache.org>;
"
>>>>> yarn-dev@hadoop.apache.org" <yarn-dev@hadoop.apache.org>; "
>>>>> mapreduce-dev@hadoop.apache.org" <mapreduce-dev@hadoop.apache.org>
>>>>>> Sent: Thursday, August 8, 2013 1:59 AM
>>>>>> Subject: Re: Upgrade to protobuf 2.5.0 for the 2.1.0 release,
>>>>> HADOOP-9845
>>>>>> 
>>>>>> 
>>>>>> Hi,
>>>>>> 
>>>>>> About Hadoop, Harsh is dealing with this problem in HADOOP-9346.
>>>>>> For more detail, please see the JIRA ticket:
>>>>>> https://issues.apache.org/jira/browse/HADOOP-9346
>>>>>> 
>>>>>> - Tsuyoshi
>>>>>> 
>>>>>> On Thu, Aug 8, 2013 at 1:49 AM, Alejandro Abdelnur <
>>> tucu@cloudera.com>
>>>>> wrote:
>>>>>>> I' like to upgrade to protobuf 2.5.0 for the 2.1.0 release.
>>>>>>> 
>>>>>>> As mentioned in HADOOP-9845, Protobuf 2.5 has significant benefits
>>> to
>>>>>>> justify the upgrade.
>>>>>>> 
>>>>>>> Doing the upgrade now, with the first beta, will make things
easier
>>> for
>>>>>>> downstream projects (like HBase) using protobuf and adopting
Hadoop
>>> 2.
>>>>> If
>>>>>>> we do the upgrade later, downstream projects will have to support
2
>>>>>>> different versions and they my get in nasty waters due to classpath
>>>>> issues.
>>>>>>> 
>>>>>>> I've locally tested the patch in a pseudo deployment of 2.1.0-beta
>>>>> branch
>>>>>>> and it works fine (something is broken in trunk in the RPC layer
>>>>> YARN-885).
>>>>>>> 
>>>>>>> Now, to do this it will require a few things:
>>>>>>> 
>>>>>>> * Make sure protobuf 2.5.0 is available in the jenkins box
>>>>>>> * A follow up email to dev@ aliases indicating developers should
>>>>> install
>>>>>>> locally protobuf 2.5.0
>>>>>>> 
>>>>>>> Thanks.
>>>>>>> 
>>>>>>> --
>>>>>>> Alejandro
>>>> 
>>>> 
>>>> 
>>>> --
>>>> Alejandro
>>> 
>>> 
>>> 
>>> --
>>> Alejandro
>> 
>> 

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