Awesome, thanks for clarification.
So why new nodes can’t connect to ANY seed node's IP that is returned by DNS?
Why the IPs must be “hardcoded”?
—
Roman
> On May 1, 2017, at 2:11 PM, daemeon reiydelle <daeme...@gmail.com> wrote:
>
> Caps below for emphasis, not shouting ;{)
>
> Seed nodes are IDENTICAL to all other node hdfs nodes or you will wish
> otherwise. Folks get confused because of terminoligy. I refer to this stuff
> as "the seed node service of a normal hdfs node". ANY HDFS NODE IS ABLE TO
> ACT AS A SEED NODE BY DEFINITION. But ONLY the nodes listed as seeds in the
> XML will be contacted, however.
>
> The seed "function" is only used by new nodes when they FIRST join the
> cluster for the FIRST time, then never used again (once an node joins the
> cluster it is using different protocols, a separate list of nodes, etc.).
>
> .......
>
> Daemeon C.M. Reiydelle
> USA (+1) 415.501.0198
> London (+44) (0) 20 8144 9872
>
> On Mon, May 1, 2017 at 2:05 PM, Roman Naumenko <ro...@sproutling.com
> <mailto:ro...@sproutling.com>> wrote:
> So they are like any other “data” node… but special?
>
> I’m so freaking confused by this seed nodes design.
>
> —
> Roman
>
>> On May 1, 2017, at 1:37 PM, vasu gunja <vasu.no...@gmail.com
>> <mailto:vasu.no...@gmail.com>> wrote:
>>
>> Seed will contain meta data + actual data too
>>
>> On Mon, May 1, 2017 at 3:34 PM, Roman Naumenko <ro...@sproutling.com
>> <mailto:ro...@sproutling.com>> wrote:
>> Hi,
>>
>> I’d like to confirm that seed nodes doesn’t contain any data. Is it correct?
>>
>> Can the instances for seed nodes be smaller size than for data nodes?
>>
>> Thank you
>> Roman
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