Add info about unique pids/ports in efficiency guide

1 files changed, 20 insertions, 0 deletions

diff --git a/system/doc/efficiency_guide/advanced.xml b/system/doc/efficiency_guide/advanced.xml
index 25899f6821..41c8542793 100644
--- a/system/doc/efficiency_guide/advanced.xml
+++ b/system/doc/efficiency_guide/advanced.xml
@@ -163,6 +163,16 @@
 	manual page in ERTS.</cell>
       </row>
       <row>
+        <cell>
+          <marker id="unique_pids"/>Unique Local Process Identifiers on a
+          Runtime System Instance
+        </cell>
+        <cell>
+          On a 64 bit system at most <c>2⁶⁰ - 1</c> unique process identifiers
+          can be created and on a 32 bit system at most <c>2²⁸ - 1</c>.
+        </cell>
+      </row>
+      <row>
 	<cell>Known nodes</cell>
 	<cell>A remote node Y must be known to node X if there exists
 	any pids, ports, references, or funs (Erlang data types) from Y
@@ -236,6 +246,16 @@
 	in ERTS.</cell>
       </row>
       <row>
+        <cell>
+          <marker id="unique_ports"/>Unique Local Port Identifiers on a
+          Runtime System Instance
+        </cell>
+        <cell>
+          On a 64 bit system at most <c>2⁶⁰ - 1</c> unique port identifiers
+          can be created and on a 32 bit system at most <c>2²⁸ - 1</c>.
+        </cell>
+      </row>
+      <row>
 	<cell><marker id="files_sockets"></marker>Open files and
 	sockets</cell>
 	<cell>The maximum number of simultaneously open files and