postgresql-9.1 9.1.6-0ubuntu11.10 source package in Ubuntu

Changelog

postgresql-9.1 (9.1.6-0ubuntu11.10) oneiric-proposed; urgency=low

  * New upstream bug fix release: (LP: #1055944)
    - Fix persistence marking of shared buffers during WAL replay.
      This mistake can result in buffers not being written out during
      checkpoints, resulting in data corruption if the server later
      crashes without ever having written those buffers. Corruption can
      occur on any server following crash recovery, but it is
      significantly more likely to occur on standby slave servers since
      those perform much more WAL replay. There is a low probability of
      corruption of btree and GIN indexes. There is a much higher
      probability of corruption of table "visibility maps". Fortunately,
      visibility maps are non-critical data in 9.1, so the worst
      consequence of such corruption in 9.1 installations is transient
      inefficiency of vacuuming. Table data proper cannot be corrupted by
      this bug.
      While no index corruption due to this bug is known to have occurred
      in the field, as a precautionary measure it is recommended that
      production installations "REINDEX" all btree and GIN indexes at a
      convenient time after upgrading to 9.1.6.
      Also, if you intend to do an in-place upgrade to 9.2.X, before
      doing so it is recommended to perform a "VACUUM" of all tables
      while having vacuum_freeze_table_age set to zero. This will ensure
      that any lingering wrong data in the visibility maps is corrected
      before 9.2.X can depend on it. vacuum_cost_delay can be adjusted to
      reduce the performance impact of vacuuming, while causing it to
      take longer to finish.
    - See HISTORY/changelog.gz for the other bug fixes.
 -- Martin Pitt <email address hidden>   Tue, 25 Sep 2012 07:25:37 +0200

Upload details

Uploaded by:
Martin Pitt on 2012-09-25
Uploaded to:
Oneiric
Original maintainer:
Ubuntu Developers
Component:
main
Architectures:
any all
Section:
database
Urgency:
Low Urgency

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File Size MD5 Checksum
postgresql-9.1_9.1.6.orig.tar.bz2 14.9 MiB 000755f66c0de58bbd4cd2b89b45b8e2
postgresql-9.1_9.1.6-0ubuntu11.10.debian.tar.gz 34.1 KiB 6094f29f712aea2e3c3ed77881fc89e2
postgresql-9.1_9.1.6-0ubuntu11.10.dsc 3.0 KiB 24ad441b19f0aae74892f297efd44aed

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