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-rw-r--r--erts/doc/src/erl.xml21
1 files changed, 20 insertions, 1 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index e36d0adb0d..a1d73fb698 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -686,7 +686,7 @@
</p></item>
</taglist>
<p>Binding of schedulers is currently only supported on newer
- Linux, Solaris, and Windows systems.</p>
+ Linux, Solaris, FreeBSD, and Windows systems.</p>
<p>If no CPU topology is available when the <c>+sbt</c> flag
is processed and <c>BindType</c> is any other type than
<c>u</c>, the runtime system will fail to start. CPU
@@ -906,6 +906,25 @@
<seealso marker="kernel:error_logger#warning_map/0">error_logger(3)</seealso>
for further information.</p>
</item>
+ <tag><c><![CDATA[+zFlag Value]]></c></tag>
+ <item>
+ <p>Miscellaneous flags.</p>
+ <taglist>
+ <tag><marker id="+zdbbl"><c>+zdbbl size</c></marker></tag>
+ <item>
+ <p>Set the distribution buffer busy limit
+ (<seealso marker="erlang#system_info_dist_buf_busy_limit">dist_buf_busy_limit</seealso>)
+ in kilobytes. Valid range is 1-2097151. Default is 1024.</p>
+ <p>A larger buffer limit will allow processes to buffer
+ more outgoing messages over the distribution. When the
+ buffer limit has been reached, sending processes will be
+ suspended until the buffer size has shrunk. The buffer
+ limit is per distribution channel. A higher limit will
+ give lower latency and higher throughput at the expense
+ of higher memory usage.</p>
+ </item>
+ </taglist>
+ </item>
</taglist>
</section>