Thanks. Could you please give some more words about this case? > Is the following constellation also possible? > A--\ /--E > B---D-----F > C--/ \--G > That is that D replicates A,B,C (which share the same content e.g. A-B-C) > and simultaneously D is s primary to E,F,G ? >
Am Do., 28. Okt. 2021 um 08:57 Uhr schrieb Pro Turm <protu...@gmail.com>: > > Which means cascading could be quite vulnerable. What is then the >> quickest >> > possible way to connect A to C in the above case? >> >> Drop database C, recreate replica from scratch. >> > Is the following constellation also possible? > A--\ /--E > B---D------F > C--/ \--G > That is that D replicates A,B,C (which share the same content) and > simultaneously is s primary to E,F,G ? > >> >> > > Restarting the servers: are there some performance issues >> expected due to >> > > restarting (looising data, long-time unavailability etc.) ? >> > >> > It depends. >> > >> > Could you please elaborate more on that ? >> >> Performance issues, data losses and recovery time highly depends on >> the >> nature of the disaster that has made the recovery needed, replication >> settings >> and other factors. > > Do you have more concrete measurements or cases? And some times (best, > worst, average) according to the amount of data being replicated? > Particularly I'm interested in asynchronous replication only. > > Am Mi., 27. Okt. 2021 um 14:49 Uhr schrieb Dimitry Sibiryakov < > s...@ibphoenix.com>: > >> Pro Turm wrote 27.10.2021 14:39: >> > Which means cascading could be quite vulnerable. What is then the >> quickest >> > possible way to connect A to C in the above case? >> >> Drop database C, recreate replica from scratch. >> >> > > Restarting the servers: are there some performance issues >> expected due to >> > > restarting (looising data, long-time unavailability etc.) ? >> > >> > It depends. >> > >> > Could you please elaborate more on that ? >> >> Performance issues, data losses and recovery time highly depends on >> the >> nature of the disaster that has made the recovery needed, replication >> settings >> and other factors. >> >> -- >> WBR, SD. >> >> >> Firebird-Devel mailing list, web interface at >> https://lists.sourceforge.net/lists/listinfo/firebird-devel >> >
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