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 <sij...@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.j...@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 >> > >