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From: Martin Kou <bitanarch@gmail.com>
Subject: Re: Can ZK be used for my use case?
Date: Thu, 5 Sep 2013 20:53:21 -0700
To: "user@zookeeper.apache.org" <user@zookeeper.apache.org>

How large are your files? ZooKeeper is generally not designed for large size=
 storage. Also, it doesn't provide guarantees of watchers being called when n=
etwork outage is involved.

Sent from my iPhone

> On Sep 5, 2013, at 7:36 AM, Tavi <tavi1976@yahoo.com> wrote:
>=20
> Hi everyone,
>=20
> I have a web application who generates different types of files (at
> different version) on the server.  Those files must be transferred at 300
> clients (watchers) and, after transfer, each client must modify every file=

> for his purpose.  The "client" is a simple java stand alone application
> installed on my user PC.=20
> Today my users must download manually their files from an FTP server and
> they must use a java library to convert their files.  Of course, I don't
> know if they do this when the file version changes, I don't have any trace=

> who did it ...=20
>=20
> My idea is to use a ZK server with 300 clients, each client will be
> monitoring a specific namespace for changes (for example : client 1 will
> monitor /app1 and app2, client 2 -> app 2 only ...).  Every namespace will=

> contain the name of the file, his location, his version ... When the file
> version will change, the java client will use the information to retrieve
> and to modify the file from my central FTP. "My leader" needs to know whic=
h
> user is connected and he must synchronize the downloads to avoid network
> bottlenecks.
>=20
> Does ZK fits in this scenario?
>=20
> Thanks for your time,
>  Tavi
>=20
>=20
>=20
>=20
> --
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