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You are here: Home1 / News2 / March 16, 2018 – Announcing the Release of BDR 1.0.5

Announcing the Release of BDR 1.0.5

Oxford, United Kingdom – March 16, 2018

2ndQuadrant announced today the release of BDR 1.0.5. BDR is the first open source multi-master replication system for PostgreSQL to reach full production status. This release includes the updated PostgreSQL server version to support the Postgres-BDR 9.4.17 extension, containing all of the fixes from the PostgreSQL 9.4.17 release.

The fixes and improvements included in this release are:

  • Work around a core postgres reorderbuffer corruption bug with a change in the BDR output plugin.
  • Ignore column-count mismatches if the mismatched columns are all nullable or dropped. This makes recovery from some kinds of operator errors simpler, and with sufficient care can be used to bypass DDL locking for adding new nullable columns to tables.
  • Fix possible deadlock in the apply worker in the find_pkey_tuple() function
  • Stricter memory context handling and leak prevention during apply. In particular be careful not to fall back to TopMemoryContext. This may help some possible memory leak issues.
  • Reset the apply worker memory context on every commit, not just when all messages have been consumed. May help with some possible memory leak issues.
  • Skip BDR 1.0.4 and bump the version straight to 1.0.5 to match BDR2.

2ndQuadrant (Developers of Postgres-BDR) provides Professional Support, as well as consultation and training for Postgres-BDR. With deep knowledge of distributed databases in PostgreSQL, 2ndQuadrant will evaluate individual use cases and determine the most suitable product or solution.

Postgres-BDR is also available and supported by 2ndQuadrant in the Cloud.

For more information, please send an email to [email protected]

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