On Wed, Oct 21, 2015 at 05:58PM, Dmitriy Setrakyan wrote: > On Wed, Oct 21, 2015 at 4:48 PM, Konstantin Boudnik <c...@apache.org> wrote: > > > I like it quite a bit, as well! Ticket would make the most sense as well, > > so > > there will be a single place to collect the design docs (if needed), etc. > > > > On Wed, Oct 21, 2015 at 04:45PM, Dmitriy Setrakyan wrote: > > > I also really like the idea. One potential use case is fraud analysis in > > > financial institutions. Rarely it makes sense to perform such analysis > > on a > > > life system, but rather a snapshot of some data needs to be taken and > > > analyzed offline. > > > > > > I think snapshots should be saved to disk, so users could load them for > > > analysis on a totally different cluster. > > > > I think disk persistence should be optional, not mandatory. > > > > I would actually prefer to support disk-only snapshots. I think it will be > difficult (double-the-work) to support both, in-memory and disk formats. > Also, storing snapshots in-memory would require extra memory (a lot of it) > for something that gets saved mainly for historic purposes or offline > analysis.
Ah, good points! Agree.
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