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Diffstat (limited to 'erts/doc/src/notes.xml')
| -rw-r--r-- | erts/doc/src/notes.xml | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index 2fe8879b93..dd9e7507df 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -30,6 +30,34 @@ </header> <p>This document describes the changes made to the ERTS application.</p> +<section><title>Erts 5.10.4.2</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p>Introduced support for eager check I/O.</p> + <p>By default eager check I/O will be disabled, but this + will most likely be changed in OTP 18. When eager check + I/O is enabled, schedulers will more frequently check for + I/O work. Outstanding I/O operation will however not be + prioritized to the same extent as when eager check I/O is + disabled.</p> + <p>Eager check I/O can be enabled and disabled using the + <c>erl</c> command line argument <seealso + marker="erl#+secio"><c>+secio</c></seealso>.</p> + <p>Characteristics impact when enabled:</p> <list> + <item>Lower latency and smoother management of externally + triggered I/O operations.</item> <item>A slightly reduced + priority of externally triggered I/O operations.</item> + </list> + <p> + Own Id: OTP-12117</p> + </item> + </list> + </section> + +</section> + <section><title>Erts 5.10.4.1</title> <section><title>Known Bugs and Problems</title> |