wrote:
>>>>
>>>>>
>>>>> Hi,
>>>>> I would like to know the following.
>>>>>
>>>>> 1) Can there be multiple namespaces in a single namenode? is it
>>>>> recommended? (I'm having a multi-tenant
t;>> 2) Let's say I have a federated namespace/namenodes. There are two
>>>> namenodes A /namespace A1 and namenode B/namespace B1, and have 3
>>>> datanodes. Can someone from namespace A1, access the datanode's data in
>>>> anyway (hacking
t;> 2) Let's say I have a federated namespace/namenodes. There are two
>>> namenodes A /namespace A1 and namenode B/namespace B1, and have 3
>>> datanodes. Can someone from namespace A1, access the datanode's data in
>>> anyway (hacking) belonging to
t;>
>> 2) Let's say I have a federated namespace/namenodes. There are two
>> namenodes A /namespace A1 and namenode B/namespace B1, and have 3
>> datanodes. Can someone from namespace A1, access the datanode's data in
>> anyway (hacking) belonging to namespace B1. If n
led?
>
> After going through a lot of reference, my understanding on HDFS
> multi-tenancy and federation is that for multi-tenancy what we could do is
> use file/folder permissions (u,g,o) and ACL's. Or we could dedicate a
> namespace per tenant. The issue here is that a namenode
, and have 3
datanodes. Can someone from namespace A1, access the datanode's data in
anyway (hacking) belonging to namespace B1. If not how is it handled?
After going through a lot of reference, my understanding on HDFS
multi-tenancy and federation is that for multi-tenancy what we could
