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diff --git a/release-notes/OTP-22.3.4.25.README.txt b/release-notes/OTP-22.3.4.25.README.txt new file mode 100644 index 0000000..df25808 --- /dev/null +++ b/release-notes/OTP-22.3.4.25.README.txt @@ -0,0 +1,229 @@ +Patch Package: OTP 22.3.4.25 +Git Tag: OTP-22.3.4.25 +Date: 2022-03-29 +Trouble Report Id: OTP-17843, OTP-17888, OTP-17904, OTP-17905, + OTP-17998 +Seq num: ERIERL-732, ERIERL-757, GH-5554 +System: OTP +Release: 22 +Application: common_test-1.18.2.2, erts-10.7.2.17, + kernel-6.5.2.5 +Predecessor: OTP 22.3.4.24 + + Check out the git tag OTP-22.3.4.25, 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. + + --------------------------------------------------------------------- + --- HIGHLIGHTS ------------------------------------------------------ + --------------------------------------------------------------------- + + OTP-17843 Application(s): erts, kernel + Related Id(s): ERIERL-732, PR-5611 + + By default global does not take any actions to restore + a fully connected network when connections are lost due + to network issues. This is problematic for all + applications expecting a fully connected network to be + provided, such as for example mnesia, but also for + global itself. A network of overlapping partitions + might cause the internal state of global to become + inconsistent. Such an inconsistency can remain even + after such partitions have been brought together to + form a fully connected network again. The effect on + other applications that expects that a fully connected + network is maintained may vary, but they might + misbehave in very subtle hard to detect ways during + such a partitioning. + + In order to prevent such issues, we have introduced a + prevent overlapping partitions fix which can be enabled + using the prevent_overlapping_partitions kernel(6) + parameter. When this fix has been enabled, global will + actively disconnect from nodes that reports that they + have lost connections to other nodes. This will cause + fully connected partitions to form instead of leaving + the network in a state with overlapping partitions. + Note that this fix has to be enabled on all nodes in + the network in order to work properly. Since this quite + substantially changes the behavior, this fix is + currently disabled by default. Since you might get hard + to detect issues without this fix you are, however, + strongly advised to enable this fix in order to avoid + issues such as the ones described above. As of OTP 25 + this fix will become enabled by default. + + + --------------------------------------------------------------------- + --- common_test-1.18.2.2 -------------------------------------------- + --------------------------------------------------------------------- + + The common_test-1.18.2.2 application can be applied independently of + other applications on a full OTP 22 installation. + + --- Fixed Bugs and Malfunctions --- + + OTP-17888 Application(s): common_test + + OTP internal test fix. + + + Full runtime dependencies of common_test-1.18.2.2: compiler-6.0, + crypto-3.6, debugger-4.1, erts-7.0, ftp-1.0.0, inets-6.0, kernel-4.0, + observer-2.1, runtime_tools-1.8.16, sasl-2.4.2, snmp-5.1.2, ssh-4.0, + stdlib-3.5, syntax_tools-1.7, tools-2.8, xmerl-1.3.8 + + + --------------------------------------------------------------------- + --- erts-10.7.2.17 -------------------------------------------------- + --------------------------------------------------------------------- + + Note! The erts-10.7.2.17 application *cannot* be applied + independently of other applications on an arbitrary OTP 22 + installation. + + On a full OTP 22 installation, also the following runtime + dependency has to be satisfied: + -- kernel-6.5.2.5 (first satisfied in OTP 22.3.4.25) + + + --- Fixed Bugs and Malfunctions --- + + OTP-17843 Application(s): erts, kernel + Related Id(s): ERIERL-732, PR-5611 + + *** HIGHLIGHT *** + + By default global does not take any actions to restore + a fully connected network when connections are lost due + to network issues. This is problematic for all + applications expecting a fully connected network to be + provided, such as for example mnesia, but also for + global itself. A network of overlapping partitions + might cause the internal state of global to become + inconsistent. Such an inconsistency can remain even + after such partitions have been brought together to + form a fully connected network again. The effect on + other applications that expects that a fully connected + network is maintained may vary, but they might + misbehave in very subtle hard to detect ways during + such a partitioning. + + In order to prevent such issues, we have introduced a + prevent overlapping partitions fix which can be enabled + using the prevent_overlapping_partitions kernel(6) + parameter. When this fix has been enabled, global will + actively disconnect from nodes that reports that they + have lost connections to other nodes. This will cause + fully connected partitions to form instead of leaving + the network in a state with overlapping partitions. + Note that this fix has to be enabled on all nodes in + the network in order to work properly. Since this quite + substantially changes the behavior, this fix is + currently disabled by default. Since you might get hard + to detect issues without this fix you are, however, + strongly advised to enable this fix in order to avoid + issues such as the ones described above. As of OTP 25 + this fix will become enabled by default. + + + OTP-17904 Application(s): erts + Related Id(s): ERIERL-757 + + Fix memory leak when tracing on running on a process + that only handle system tasks or non-message signals + (for example process_info requests). + + + OTP-17998 Application(s): erts + Related Id(s): GH-5554, PR-5825 + + Fix Erlang monotonic time on MacOS. Previously used OS + monotonic time primitive on MacOS is buggy and will not + be used anymore. It has been replaced with usage of + another OS monotonic time primitive that does not + appear to be buggy. + + + Full runtime dependencies of erts-10.7.2.17: kernel-6.5.2.5, + sasl-3.3, stdlib-3.5 + + + --------------------------------------------------------------------- + --- kernel-6.5.2.5 -------------------------------------------------- + --------------------------------------------------------------------- + + Note! The kernel-6.5.2.5 application *cannot* be applied + independently of other applications on an arbitrary OTP 22 + installation. + + On a full OTP 22 installation, also the following runtime + dependency has to be satisfied: + -- erts-10.7.2.17 (first satisfied in OTP 22.3.4.25) + + + --- Fixed Bugs and Malfunctions --- + + OTP-17843 Application(s): erts, kernel + Related Id(s): ERIERL-732, PR-5611 + + *** HIGHLIGHT *** + + By default global does not take any actions to restore + a fully connected network when connections are lost due + to network issues. This is problematic for all + applications expecting a fully connected network to be + provided, such as for example mnesia, but also for + global itself. A network of overlapping partitions + might cause the internal state of global to become + inconsistent. Such an inconsistency can remain even + after such partitions have been brought together to + form a fully connected network again. The effect on + other applications that expects that a fully connected + network is maintained may vary, but they might + misbehave in very subtle hard to detect ways during + such a partitioning. + + In order to prevent such issues, we have introduced a + prevent overlapping partitions fix which can be enabled + using the prevent_overlapping_partitions kernel(6) + parameter. When this fix has been enabled, global will + actively disconnect from nodes that reports that they + have lost connections to other nodes. This will cause + fully connected partitions to form instead of leaving + the network in a state with overlapping partitions. + Note that this fix has to be enabled on all nodes in + the network in order to work properly. Since this quite + substantially changes the behavior, this fix is + currently disabled by default. Since you might get hard + to detect issues without this fix you are, however, + strongly advised to enable this fix in order to avoid + issues such as the ones described above. As of OTP 25 + this fix will become enabled by default. + + + --- Improvements and New Features --- + + OTP-17905 Application(s): kernel + Related Id(s): ERIERL-732, PR-5740 + + A net_tickintensity kernel parameter has been + introduced. It can be used to control the amount of + ticks during a net_ticktime period. + + A new net_kernel:start/2 function has also been + introduced in order to make it easier to add new + options. The use of net_kernel:start/1 has been + deprecated. + + + Full runtime dependencies of kernel-6.5.2.5: erts-10.7.2.17, + sasl-3.0, stdlib-3.5 + + + --------------------------------------------------------------------- + --------------------------------------------------------------------- + --------------------------------------------------------------------- + |