Hi Sanjiva, On Sat, Aug 3, 2013 at 8:35 PM, Sanjiva Weerawarana <[email protected]>wrote:
> BTW please don't copy private lists in public discussions! > > Chan the picture is not quite right .. the store will use SS only to > *provision* a volume (directory) for a tenant. After that it will use HDFS > APIs to directly talk to HDFS. > We (Chan, Dilshan, Deep and I) had an offline discussion last Friday and there we've corrected their initial approach to exactly what you've suggested. > > How big are these files? How many do we expect in a reasonable deployment? > > I'm wondering whether using a relational DB blob store is good enough for > a start. > IMO, HDFS too doesn't have any added advantage over a Relational/Any other blob store with respect to this particular use case as it's just going to be used as a container for those media, etc files. However, considering the OOTB capabilities of scalabilities and support for fault tolerance, etc maybe HDFS/Cassandra would be a good choice? > > Sanjiva. > > > On Fri, Aug 2, 2013 at 12:20 PM, Chan <[email protected]> wrote: > >> Hi All, >> >> We had a meeting with SS team (Shan, Chan, Dilan, Deep, Shani) regarding >> the storage. Apparently what we need is not a Cassandra storage but a >> simple HDFS storage. >> >> The requirement is a very simple one. A file need to be persisted to a >> storage and a url will be provided to access the file. This will make our >> file storage strategy scalable. >> >> [image: Inline image 1] >> >> Below are the notes regarding the meeting - >> >> - We will be using the HDFS component of Storage server to store the >> files. >> - Currently the upload function of the component is implemented. >> - The download function is still under development. >> >> *Tenancy aspects* >> Tenancy is still not implemented in the SS to HDFS. This will require our >> Store front apis to handle the tenancy aspects as well - >> >> Example :- C:\shan\tenant1\app.apk - tenant1\app.apk >> C:\shan\tenant2\app.apk - tenant2\app.apk >> >> We would like to know when will the tenancy be added and what is the >> delivery date for whole component. >> >> Thanks >> -- >> Chan (Dulitha Wijewantha) >> Software Engineer - Mobile Development >> WSO2Mobile >> Lean.Enterprise.Mobileware >> * ~Email [email protected] <[email protected]>* >> * ~Mobile +94712112165* >> * ~Website dulithawijewantha.com >> * >> * ~Blog dulitha.me <http:%5C%5Cdulitha.me> >> * >> * ~Twitter @dulitharw <https://twitter.com/dulitharw>* >> >> >> _______________________________________________ >> Architecture mailing list >> [email protected] >> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >> >> > > > -- > Sanjiva Weerawarana, Ph.D. > Founder, Chairman & CEO; WSO2, Inc.; http://wso2.com/ > email: [email protected]; phone: +94 11 763 9614; cell: +94 77 787 6880 | +1 > 650 265 8311 > blog: http://sanjiva.weerawarana.org/ > > > Lean . Enterprise . Middleware > > _______________________________________________ > Architecture mailing list > [email protected] > https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture > > -- Prabath Abeysekara Associate Technical Lead, Data TG. WSO2 Inc. Email: [email protected] <[email protected]> Mobile: +94774171471 <http://harshana05.blogspot.com/>
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