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Name: Geographically distributed multi-master replication with PostgreSQL and BDR
--client lca --show lca2018 --room medium 13647 --force
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Author(s):	Craig Ringer
Location	Medium Lecture Theatre CB11.00.401
Date	jan Thu 25	Days Raw Files
Start	14:35	First Raw Start	14:09
Duration	0:45:0	Offset	0:25:32
End	15:20	Last Raw End	15:39
Chapters	00:00 0:04:25 0:34:24
Total cuts_time	44 min.

http://lca2018.linux.org.au/schedule/presentation/75/
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assets release.pdf Geographically_distributed_multimaster_replication_with_PostgreSQL_and_BDR.json
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Description:	Keeping your data in more than one place is vital for business continuity, and databases are no exception. Backups are great, but they won't help you when your normally-connected EU, US and Australian operations all want to continue operating during a major WAN outage. This is where multi-master replication systems come into their own - but they also come with often overlooked costs and downsides. Bi-Directional Replication (BDR) for PostgreSQL can help solve some users' availability challenges in a globally distributed environment... if it's applied correctly. Multi-master is not magic high availability secret-sauce that can be applied to every problem, no matter what some major vendors' sales teams would like you to believe. Learn about when to use - and not to use - multi-master replication in general, and BDR in particular. When is it better to stick to a single-master system with failover? If you do select a multi-master system, what kind is best for you? Do you need something partition- and latency-tolerant, or something tightly coupled and transparent? Shared-mostly or shared-nothing? These details will have a major impact on whether a given system architecture can meet your needs, and understanding them will help you set better requirements during a design and product selection process. markdown
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2018-01-25/14_39_28.ts Apply: 14:39:28 - 15:09:27 ( 00:29:59 ) S: 14:39:28 - E: 15:09:27 D: 00:29:59 show more...

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2018-01-25/15_09_28.ts Apply: 15:09:28 - 15:19:36 ( 00:10:08 ) S: 15:09:28 - E: 15:39:27 D: 00:29:59 (End: 608.0) show more...

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2018-01-25/15_09_28.ts Apply: 15:19:36 - 15:39:27 ( 00:19:51 ) S: 15:09:28 - E: 15:39:27 D: 00:29:59 (Start: 608.0) show more...

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