Patch Package: OTP 20.2.3 Git Tag: OTP-20.2.3 Date: 2018-02-13 Trouble Report Id: OTP-14823, OTP-14915, OTP-14916, OTP-14917, OTP-14918 Seq num: ERIERL-88 System: OTP Release: 20 Application: erts-9.2.1, kernel-5.4.2, runtime_tools-1.12.4 Predecessor: OTP 20.2.2 Check out the git tag OTP-20.2.3, 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. --------------------------------------------------------------------- --- erts-9.2.1 ------------------------------------------------------ --------------------------------------------------------------------- The erts-9.2.1 application can be applied independently of other applications on a full OTP 20 installation. --- Improvements and New Features --- OTP-14915 Application(s): erts Related Id(s): ERIERL-88 Improve search algorithm of abandoned memory carriers. Instead of limited linear search, each allocator instance maintain a balanced search tree of all its abandoned carriers for faster and more exhaustive search. OTP-14916 Application(s): erts Related Id(s): ERIERL-88 New erts_alloc command line options +M_acnl and +M_acfml to limit carrier abandonment. OTP-14917 Application(s): erts, runtime_tools Related Id(s): ERIERL-88 New family of erts_alloc strategies: Age Order First Fit. Similar to "address order", but instead the oldest possible carrier is always chosen for allocation. OTP-14918 Application(s): erts Related Id(s): ERIERL-88 Add possibility to change allocator options at runtime with system_info(erts_alloc, ...). Only option sbct (single block carrier threshold) is currently supported via this interface. Full runtime dependencies of erts-9.2.1: kernel-5.0, sasl-3.0.1, stdlib-3.0 --------------------------------------------------------------------- --- kernel-5.4.2 ---------------------------------------------------- --------------------------------------------------------------------- Note! The kernel-5.4.2 application can *not* be applied independently of other applications on an arbitrary OTP 20 installation. On a full OTP 20 installation, also the following runtime dependency has to be satisfied: -- erts-9.1 (first satisfied in OTP 20.1) --- Fixed Bugs and Malfunctions --- OTP-14823 Application(s): kernel Add os:cmd/2 that takes an options map as the second argument. Add max_size as an option to os:cmd/2 that control the maximum size of the result that os:cmd/2 will return. Full runtime dependencies of kernel-5.4.2: erts-9.1, sasl-3.0, stdlib-3.4 --------------------------------------------------------------------- --- runtime_tools-1.12.4 -------------------------------------------- --------------------------------------------------------------------- The runtime_tools-1.12.4 application can be applied independently of other applications on a full OTP 20 installation. --- Improvements and New Features --- OTP-14917 Application(s): erts, runtime_tools Related Id(s): ERIERL-88 New family of erts_alloc strategies: Age Order First Fit. Similar to "address order", but instead the oldest possible carrier is always chosen for allocation. Full runtime dependencies of runtime_tools-1.12.4: erts-8.0, kernel-5.0, mnesia-4.12, stdlib-3.0 --------------------------------------------------------------------- --------------------------------------------------------------------- ---------------------------------------------------------------------