Enrico, At twitter, we didn't do cross-cluster replication for bookkeeper. We did this at higher level.
For zookeeper, we periodically dump the zookeeper files (data and txn log files) to HDFS for backup. - Sijie On Wed, Aug 3, 2016 at 7:13 AM, Enrico Olivelli - Diennea < [email protected]> wrote: > Hi, > I would like set up an effective disaster recovery system for BookKeeper. > The case of a single bookie unrecoverably lost is not a problem "by > design", we use replication for such an issue. > So my case is that all bookies in the same cluster are lost (datacenter > disaster). > > From my point of view the element to backup are: > - Bookies > - ZooKeeper data related to BookKeeper > > Since it is not possible to take a "distributed snapshot" of the system, I > wonder if anyone has already dealt with this problem and how it is possible > to implement a basic recovery procedure which allows at least to read > bookie contents. > > One idea is to backup only bookie data, and read contents parsing raw data > files. > > Any experience ? > > Thanks > > -- > Enrico Olivelli > Software Development Manager @Diennea > Tel.: (+39) 0546 066100 - Int. 925 > Viale G.Marconi 30/14 - 48018 Faenza (RA) > > MagNews - E-mail Marketing Solutionshttp://www.magnews.it > Diennea - Digital Marketing Solutionshttp://www.diennea.com > > > ------------------------------ > > Iscriviti alla nostra newsletter per rimanere aggiornato su digital ed > email marketing! http://www.magnews.it/newsletter/ > > The information in this email is confidential and may be legally > privileged. If you are not the intended recipient please notify the sender > immediately and destroy this email. Any unauthorized, direct or indirect, > disclosure, copying, storage, distribution or other use is strictly > forbidden. >
