[erlang-questions] Patch package OTP 20.2.2 released

[Dan Gudmundsson]

Patch Package:           OTP 20.2.2
Git Tag:                 OTP-20.2.2
Date:                    2017-12-19
Trouble Report Id:       OTP-14829, OTP-14841
Seq num:                 ERIERL-113, ERIERL-84
System:                  OTP
Release:                 20
Application:             mnesia-4.15.3
Predecessor:             OTP 20.2.1

 Check out the git tag OTP-20.2.2, and build a full OTP system
 including documentation. Apply one or more applications from this
 build as patches to your installation using the 'otp_patch_apply'
 tool. For information on install requirements, see descriptions for
 each application version below.

 ---------------------------------------------------------------------
 --- mnesia-4.15.3 ---------------------------------------------------
 ---------------------------------------------------------------------

 The mnesia-4.15.3 application can be applied independently of other
 applications on a full OTP 20 installation.

 --- Fixed Bugs and Malfunctions ---

  OTP-14829    Application(s): mnesia
               Related Id(s): ERIERL-84

               Removed a quadratic behavior in startup. This change
               implies that backend plugins (if used) must be set when
               the schema is created or via configuration parameters
               before mnesia is started.


  OTP-14841    Application(s): mnesia
               Related Id(s): ERIERL-113

               Bad timing could crash mnesia after a checkpoint was
               deactivated and reactivated with the same checkpoint
               name on different tables.


 Full runtime dependencies of mnesia-4.15.3: erts-9.0, kernel-5.3,
 stdlib-3.4


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