Matteo, answers are below:
> > I don't know if there are already docs, but that is another thing we may > want to get in with the merge. > > a minimal coverage at least on how to use the feature, and maybe calling it > out as experimental? > > We have the doc, need to get OK to release it to Apache. > my main concern were around incremental backups. > I'm still not convinced around the fact that because the WALs contain > regions of multiple tables > the incremental backup will keep around WALs with some data that we don't > really want in the backup (for space or maybe security reason). > > We have a JIRA: HBASE-14141 (Phase 3) > then there was the question about for how long should I take incrementals, > before deciding that a fresh full backup is less costly in terms of space. > but I think this incremental merge/compaction was a feature on the roadmap > as Phase3. > which I think is ok to get later on, > maybe just call out a lifecycle example on the docs under "best practices". > > Yes, Merge feature is in Phase 3 - HBASE-14135 > > has anyone interested in using backups looked at the doc in HBASE-7912? > is the current design of incremental backup acceptable for everyone wanting > to use this feature? > (maybe this should be a question for the @user list and not dev) > > is there anyone already using this feature or it is just dev testing it? > to me will be interesting having a use-case/workflow example, > to see if in the real world my concerns about incremental are not showing > up. > > No customers yet, the feature is still in development, but what we have right now is pretty much useable, at least, as technical preview feature. And yes, I am going to add IT. -Vlad > On Tue, Jul 19, 2016 at 1:35 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > Gentle ping on this subject. > > > > The changes are mostly non-intrusive. > > > > More comments are welcome. > > > > On Mon, Jul 11, 2016 at 9:29 PM, Vladimir Rodionov < > vladrodio...@gmail.com > > > > > wrote: > > > > > Not that hard, Andrew. I will open JIRA. > > > > > > -Vlad > > > > > > On Mon, Jul 11, 2016 at 8:46 PM, Andrew Purtell < > > andrew.purt...@gmail.com> > > > wrote: > > > > > > > How hard would it be to convert what you've been using to test end to > > end > > > > during dev into an IT? > > > > > > > > > > > > On Jul 11, 2016, at 5:31 PM, Vladimir Rodionov < > vladrodio...@gmail.com > > > > > > > wrote: > > > > > > > > >>> Is there an integration test in hbase-it yet? If not, any tips > on a > > > > >>> semi-automateable way to take backups and restore them? > > > > > > > > > > We do not have yet, but we have a lot of unit tests. We provide 2 > API > > > for > > > > > backup: > > > > > > > > > > 1. Admin.getBackupAdmin > > > > > > > > > > 2. Command - line via hbase command. > > > > > > > > > > Everything is straightforward. > > > > > > > > > > -Vlad > > > > > > > > > > > > > > > > > > > > > > > > >> On Mon, Jul 11, 2016 at 5:23 PM, Dima Spivak < > dspi...@cloudera.com> > > > > wrote: > > > > >> > > > > >> Is there an integration test in hbase-it yet? If not, any tips on > a > > > > >> semi-automateable way to take backups and restore them? > > > > >> > > > > >> -Dima > > > > >> > > > > >> On Mon, Jul 11, 2016 at 6:42 PM, Vladimir Rodionov < > > > > vladrodio...@gmail.com > > > > >> wrote: > > > > >> > > > > >>> Sorry, wrong links: > > > > >>> These are the phases: > > > > >>> > > > > >>> Phase 1: > > > > >>> https://issues.apache.org/jira/browse/HBASE- > > > > >>> <https://issues.apache.org/jira/browse/HBASE-14030>14030 > > > > >>> Phase 2: > > > > >>> https://issues.apache.org/jira/browse/HBASE- > > > > >>> <https://issues.apache.org/jira/browse/HBASE-14123>14123 > > > > >>> Phase 3: > > > > >>> https://issues.apache.org/jira/browse/HBASE- > > > > >>> <https://issues.apache.org/jira/browse/HBASE-14414>14414 > > > > >>> > > > > >>> -Vlad > > > > >>> > > > > >>> On Mon, Jul 11, 2016 at 4:41 PM, Vladimir Rodionov < > > > > >> vladrodio...@gmail.com > > > > >>> wrote: > > > > >>> > > > > >>>> These are the phases: > > > > >>>> > > > > >>>> Phase 1: > > > > >>>> https://issues.apache.org/jira/browse/HBASE- > > > > >>>> <https://issues.apache.org/jira/browse/HBASE-7912>14030 > > > > >>>> Phase 2: > > > > >>>> https://issues.apache.org/jira/browse/HBASE- > > > > >>>> <https://issues.apache.org/jira/browse/HBASE-7912>14123 > > > > >>>> Phase 3: > > > > >>>> https://issues.apache.org/jira/browse/HBASE- > > > > >>>> <https://issues.apache.org/jira/browse/HBASE-7912>14414 > > > > >>>> > > > > >>>> -Vlad > > > > >>>> > > > > >>>> > > > > >>>> On Mon, Jul 11, 2016 at 12:21 PM, Enis Söztutar < > e...@apache.org> > > > > >> wrote: > > > > >>>> > > > > >>>>> As you guys may already be familiar, Vladimir, Ted, Jerry and > > > others > > > > >>> have > > > > >>>>> been developing the backup / restore functionality in a series > of > > > > >> issues > > > > >>>>> committed in the separate branch HBASE-7912[1]. > > > > >>>>> > > > > >>>>> Backup / Restore functionality is tracked as a 4-phase project, > > and > > > > >> the > > > > >>>>> first two phases are complete and useable. We are now working > on > > > > >> Phase 3 > > > > >>>>> items, which are mostly improvements. We think that the current > > > code > > > > >> in > > > > >>>>> the > > > > >>>>> branch containing all Phase 1 and Phase 2 items, and some > Phase 3 > > > > >> items > > > > >>> is > > > > >>>>> useable on it's own, and we do not have to wait for all the > > > > subtickets > > > > >>> to > > > > >>>>> be finished to make it completely useable (as follow up tickets > > are > > > > >>> mostly > > > > >>>>> improvements or optimizations). The improvements in the works > are > > > all > > > > >>>>> backwards compatible with the existing stuff. Thus, we would > like > > > to > > > > >>>>> propose that the branch HBASE-7912 be merged into master. The > > > parent > > > > >>> jira > > > > >>>>> has a design doc that goes into details about the > implementation > > > and > > > > >>>>> design > > > > >>>>> choices in case you are interested[2]. > > > > >>>>> > > > > >>>>> Most of the changes are largely non-intrusive and confined to > the > > > > >>>>> backup subsystem. > > > > >>>>> The unit tests have been passing on manual runs and we > > > (hortonworks) > > > > >>> have > > > > >>>>> been running the integration tests as well as some other > > > shell-based > > > > >>>>> system > > > > >>>>> tests on a forked version of the code. Most of the work has > been > > > > >>> reviewed > > > > >>>>> by 1, 2 or 3 committers already (mostly Ted, myself and Jerry). > > > > >>>>> > > > > >>>>> What do you guys think? Is it time to call a vote? Any concerns > > or > > > > >>>>> feedback > > > > >>>>> appreciated. > > > > >>>>> > > > > >>>>> [1] https://issues.apache.org/jira/browse/HBASE-7912 > > > > >>>>> [2] > > > > >> > > > > > > > > > > https://issues.apache.org/jira/secure/attachment/12816339/HBaseBackupAndRestore%20-0.91.pdf > > > > >>>>> > > > > >>>>> Enis > > > > >> > > > > > > > > > >
