What would you suggest then? Anything that requires customized maven installs 
or modifying 'settings.xml' post install is not feasible in our environment - 
development is too distributed.

In the long-run I believe the rsync approach does reduce bandwith, but more 
importantly, the concurrent access to the central repo via HTTP is close to nil.

Additionally, as I mentioned, the repository managers are NOT stable and 
require too much configuration and setup. These are not acceptable options. The 
repository managers aren't providing any other value beyond central repo 
caching for us. 

If you're going to cut off anonymous rsync access, you might as well just kill 
anonymous central repo access too, as that's the only way you'll be able to 
force people into use repository managers.

I would suggest more granular rsync access, so that requests can be more 
targeted.

-Nathan

-----Original Message-----
From: Jason van Zyl [mailto:[EMAIL PROTECTED] 
Sent: Friday, September 26, 2008 3:51 PM
To: Maven Users List
Subject: Re: Are we blocked by central Maven repo?


On 26-Sep-08, at 9:31 PM, Beyer,Nathan wrote:

> I disagree. 10gb or even 20gb isn't that much data, and rsync isn't  
> pulling that same amount down every time it runs. We're doing it and  
> it's working quite well. It's much more stable and reliable than any  
> other current mirroring practices. The internal DNS modification  
> makes user setup easy, since there isn't any. The use of mirror  
> settings per device is a non-starter for large, disparate  
> organizations. All of the various caching servers just aren't stable  
> enough yet, in my opinion.
>
> It is possible to get blocked by the central repo - we were  
> contacted about our significant usage and told we were on the verge  
> of being blacklisted, which is what lead us to rsync the mirror.
>

There is no way you could use less bandwidth rsyncing then using a  
repository manager. If everyone rsynced and we allowed that against  
central we would get destroyed. We only allow mirrors to rsync, not  
users and mirrors will probably also stop providing rsync access  
because the first hit is just too high now if everyone did it.

> -Nathan
>
> -----Original Message-----
> From: Wayne Fay [mailto:[EMAIL PROTECTED]
> Sent: Friday, September 26, 2008 11:11 AM
> To: Maven Users List
> Subject: Re: Are we blocked by central Maven repo?
>
> IIRC Central is well over 10gb at this point (possibly 20gb) and a
> given organization will really only use at the most 1gb of it, so
> rsync'ing it is just a bad idea unless you are setting up an actual
> external mirror that will be available to the community.
>
> They are already using Artifactory, and I certainly hope/assume they
> are caching the results. This would limit their use of Central to one
> access per artifact (GAV) plus some hits by people not using their
> Artifactory instance.
>
> I would generally doubt they are actually blocked by Central, but
> rather this is an intermittent failure that will eventually resolve
> itself.
>
> Wayne
>
> 2008/9/26 Beyer,Nathan <[EMAIL PROTECTED]>:
>> It's possible that from the central repo's perspective, all traffic  
>> from your company may seem like it's coming from one IP address  
>> because of NAT.
>>
>> Using an internal mirror can help alleviate things. The most non- 
>> invasive mirror would be to rsync the central repo periodically and  
>> then modify internal DNS to point 'repo1.maven.org' to an internal  
>> IP address. You can save a lot of bandwidth and time this way.
>>
>> -Nathan
>>
>> -----Original Message-----
>> From: 陈思淼 [mailto:[EMAIL PROTECTED]
>> Sent: Friday, September 26, 2008 10:47 AM
>> To: Maven Users List
>> Subject: Re: Are we blocked by central Maven repo?
>>
>> we didn't do that kind of thing. we have a company-level artifactory
>> repository.someone didn't follow the rule but most of us are good  
>> citizen,
>> and follow the maven RULE,
>> Is maven block strategy to block IP  too strict?
>> Can I do anything to Fix it Up?
>>
>>
>>
>> 2008/9/26 Wayne Fay <[EMAIL PROTECTED]>
>>
>>> It is possible to get blocked if you are acting as a bad citizen
>>> (downloading the entire Central repo using wget, for example). Have
>>> you (or someone else at your company) attempted to do this from your
>>> IP address?
>>>
>>> If not, the repo is probably just busy, or you had some random
>>> Internet connection failure. Try again. "Normal" Maven usage of the
>>> repo will not get you blocked.
>>>
>>> Wayne
>>>
>>> On Fri, Sep 26, 2008 at 7:37 AM, 陈思淼 <[EMAIL PROTECTED]>  
>>> wrote:
>>>> This's log from artifactory.
>>>>
>>>> 2008-09-26 22:27:28,025 [WARN ] (RemoteRepoBase.java:259{10})     -
>>> repo1:
>>>> Error in getting information for 'org/apache/maven
>>>> /maven-model/2.0.4/maven-model-2.0.4.pom.sha1'
>>>> (org.apache.commons.httpclient.ConnectionPoolTimeoutException:  
>>>> Timeout
>>>> waiting
>>>> for connection).
>>>>
>>>> we company only have one outlet IP address ,someone may download  
>>>> Maven
>>> from
>>>> apache and didn't set the Mirror of central in the conf/ 
>>>> setting.xml. so
>>> they
>>>> download the pom directly from central? Is that the reason why the
>>> central
>>>> repo block our IP address?
>>>>
>>>
>>
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Thanks,

Jason

----------------------------------------------------------
Jason van Zyl
Founder,  Apache Maven
jason at sonatype dot com
----------------------------------------------------------



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