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From Jay Juma <jayk.j...@gmail.com>
Subject Re: ZK subscription store
Date Wed, 28 Dec 2016 22:36:38 GMT
Sijie,

Thank you for your reply.

I created a proposal about using log segment to store the subscription
updates for the subscription store.
https://cwiki.apache.org/confluence/display/DL/DP-7+-+LogSegment+based+subscription+store

Let me know if you have any suggestions.

- Jay

On Thu, Dec 15, 2016 at 11:34 AM, Sijie Guo <sijieg@twitter.com> wrote:

> Hmm, this is a good idea. yes, we can use a log segment to store the DLSN
> changes for the subscription store. And I think that's basically how Pulsar
> is doing with its cursors.
>
> beside this, I had a brief discussion with Matteo Merli (who is the TL of
> Pulsar) about distributedlog and managedledger in Pulsar to see if we can
> standardize the 'log stream' representation over BookKeeper, so that Pulsar
> and the DL proxy services can use the same 'log stream' representation.
> However It requires more discussions between DL and Pulsar.
>
> If you are going to implement this, you might check pulsar's managedledger.
>
> - Sijie
>
>
> On Wed, Dec 14, 2016 at 6:21 PM, Jay Juma <jayk.juma@gmail.com> wrote:
>
>> Hi,
>>
>> Currently there is a zookeeper based subscription store in DL. Why can't
>> DL store it using a log segment (ledger) and offer this capability in
>> distributedlog service?
>>
>> - Jay
>>
>
>

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