OTP-8696: Update performance chapter

1 files changed, 411 insertions, 2 deletions

diff --git a/lib/megaco/doc/src/notes_history.xml b/lib/megaco/doc/src/notes_history.xml
index 640b62230f..220ed4bbb1 100644
--- a/lib/megaco/doc/src/notes_history.xml
+++ b/lib/megaco/doc/src/notes_history.xml
@@ -33,6 +33,415 @@
   </header>
 
   <section>
+    <title>Megaco 3.9.4</title>
+
+    <p>Version 3.9.4 supports code replacement in runtime from/to
+      version 3.9.3, 3.9.2, 3.9.1.1, 3.9.1, 3.9, 3.8.2, 3.8.1 and 3.8 except 
+      when using any of the drivers (flex for text or asn1 for binary).</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>Miscellaneous dialyzer related and test case cleanup. </p>
+          <p>Own Id: OTP-7614</p>
+        </item>
+
+      </list>
+-->
+    </section>
+
+    <section>
+      <title>Fixed bugs and malfunctions</title>
+<!--
+      <p>-</p>
+-->
+
+      <list type="bulleted">
+        <item>
+          <p>Segmenting a reply failed (with a badmatch) if the message 
+            did not actually need to be segmented (e.g. was within the
+            size limit, 
+            <seealso marker="megaco#ui_max_pdu_size">max_pdu_size</seealso>). </p>
+          <p>Own Id: OTP-7733</p>
+	  <p>Aux Id: Seq 11168</p>
+        </item>
+
+        <item>
+          <p>Improve the error handling of megaco_tcp for received 
+            messages. </p>
+          <p>Own Id: OTP-7728</p>
+        </item>
+
+      </list>
+
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>For those implementing their own codec's, the new megaco_encoder
+            behaviour will require three more functions. See above for more
+            info. </p>
+          <p>Own Id: OTP-7168</p>
+	  <p>Aux Id: Seq 10867</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+  </section> <!-- 3.9.3.1 -->
+
+
+  <section>
+    <title>Megaco 3.9.3</title>
+
+    <p>Version 3.9.3 supports code replacement in runtime from/to
+      version 3.9.2, 3.9.1.1, 3.9.1, 3.9, 3.8.2, 3.8.1 and 3.8 except 
+      when using any of the drivers (flex for text or asn1 for binary).</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>Miscellaneous dialyzer related and test case cleanup. </p>
+          <p>Own Id: OTP-7614</p>
+        </item>
+
+      </list>
+-->
+    </section>
+
+    <section>
+      <title>Fixed bugs and malfunctions</title>
+<!--
+      <p>-</p>
+-->
+
+      <list type="bulleted">
+        <item>
+          <p>Memory leak in the flex scanner. There was a memory
+            leak in the flex scanner function handling 
+            Property Parameters. </p>
+          <p>Own Id: OTP-7700</p>
+	  <p>Aux Id: Seq 11126</p>
+        </item>
+
+      </list>
+
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>For those implementing their own codec's, the new megaco_encoder
+            behaviour will require three more functions. See above for more
+            info. </p>
+          <p>Own Id: OTP-7168</p>
+	  <p>Aux Id: Seq 10867</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+  </section> <!-- 3.9.3 -->
+
+
+  <section>
+    <title>Megaco 3.9.2</title>
+
+    <p>Version 3.9.2 supports code replacement in runtime from/to
+      version 3.9.1.1, 3.9.1, 3.9, 3.8.2, 3.8.1 and 3.8 except 
+      when using any of the drivers (flex for text or asn1 for binary).</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>Miscellaneous dialyzer related and test case cleanup. </p>
+          <p>Own Id: OTP-7614</p>
+        </item>
+
+      </list>
+-->
+    </section>
+
+    <section>
+      <title>Fixed bugs and malfunctions</title>
+<!--
+      <p>-</p>
+-->
+
+      <list type="bulleted">
+        <item>
+          <p>The text encoders (v1, v2, v3, ...) all failed to 
+            properly encode the DigitMapDescriptor. </p>
+          <p>Own Id: OTP-7671</p>
+	  <p>Aux Id: Seq 11113</p>
+        </item>
+
+        <item>
+          <p>The mini decoder some time incorrectly identifies 
+            plain text as tokens. </p>
+          <p>Own Id: OTP-7672</p>
+	  <p>Aux Id: Seq 11103</p>
+        </item>
+
+      </list>
+
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>For those implementing their own codec's, the new megaco_encoder
+            behaviour will require three more functions. See above for more
+            info. </p>
+          <p>Own Id: OTP-7168</p>
+	  <p>Aux Id: Seq 10867</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+  </section> <!-- 3.9.2 -->
+
+
+  <section>
+    <title>Megaco 3.9.1.1</title>
+
+    <p>Version 3.9.1.1 supports code replacement in runtime from/to
+      version 3.9.1, 3.9, 3.8.2, 3.8.1 and 3.8 except 
+      when using any of the drivers (flex for text or asn1 for binary).</p>
+
+    <section>
+      <title>Improvements and new features</title>
+<!--
+      <p>-</p>
+-->
+
+      <list type="bulleted">
+        <item>
+          <p>Miscellaneous dialyzer related and test case cleanup. </p>
+          <p>Own Id: OTP-7614</p>
+        </item>
+
+      </list>
+    </section>
+
+    <section>
+      <title>Fixed bugs and malfunctions</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>[text] The flex scanner did not allow an empty quotedString
+            in propertyParm. </p>
+          <p>Own Id: OTP-7573</p>
+	  <p>Aux Id: Seq 11062</p>
+        </item>
+
+        <item>
+          <p>[text] Unable to decode a version 2 message with a
+            topologyTriple containing an (optional) eventStream. </p>
+          <p>Own Id: OTP-7576</p>
+	  <p>Aux Id: Seq 11066</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>For those implementing their own codec's, the new megaco_encoder
+            behaviour will require three more functions. See above for more
+            info. </p>
+          <p>Own Id: OTP-7168</p>
+	  <p>Aux Id: Seq 10867</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+  </section> <!-- 3.9.1.1 -->
+
+
+  <section>
+    <title>Megaco 3.9.1</title>
+
+    <p>Version 3.9.1 supports code replacement in runtime from/to
+      version 3.9, 3.8.2, 3.8.1 and 3.8 except 
+      when using any of the drivers (flex for text or asn1 for binary).</p>
+
+    <section>
+      <title>Improvements and new features</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>[text] The text codec(s) has been optimized. The parsing of 
+            "property parameters" has been moved to the scanner(s). Which means 
+            that when decoding messages containing property parameters, using 
+            the flex scanner, decode time(s) will be reduced. The reduction 
+            depends on the message, but can be as large as 25%. </p>
+          <p>Own Id: OTP-7431</p>
+        </item>
+
+      </list>
+-->
+    </section>
+
+    <section>
+      <title>Fixed bugs and malfunctions</title>
+<!--
+      <p>-</p>
+-->
+
+      <list type="bulleted">
+        <item>
+          <p>[text] The flex scanner did not allow an empty quotedString
+            in propertyParm. </p>
+          <p>Own Id: OTP-7573</p>
+	  <p>Aux Id: Seq 11062</p>
+        </item>
+
+        <item>
+          <p>[text] Unable to decode a version 2 message with a
+            topologyTriple containing an (optional) eventStream. </p>
+          <p>Own Id: OTP-7576</p>
+	  <p>Aux Id: Seq 11066</p>
+        </item>
+
+      </list>
+
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>For those implementing their own codec's, the new megaco_encoder
+            behaviour will require three more functions. See above for more
+            info. </p>
+          <p>Own Id: OTP-7168</p>
+	  <p>Aux Id: Seq 10867</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+  </section> <!-- 3.9.1 -->
+
+
+  <section>
+    <title>Megaco 3.9</title>
+
+    <p>Version 3.9 supports code replacement in runtime from/to
+      version 3.8.2, 3.8.1 and 3.8 except 
+      when using any of the drivers (flex for text or asn1 for binary).</p>
+
+    <section>
+      <title>Improvements and new features</title>
+<!--
+      <p>-</p>
+-->
+
+      <list type="bulleted">
+        <item>
+          <p>[text] The text codec(s) has been optimized. The parsing of 
+            "property parameters" has been moved to the scanner(s). Which means 
+            that when decoding messages containing property parameters, using 
+            the flex scanner, decode time(s) will be reduced. The reduction 
+            depends on the message, but can be as large as 25%. </p>
+          <p>Own Id: OTP-7431</p>
+        </item>
+
+      </list>
+    </section>
+
+    <section>
+      <title>Fixed bugs and malfunctions</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>If a TransactionRequest arrives while a user is
+            connecting (is in the callback function
+            handle_connect as a result of a megaco:connect call),
+            megaco responds with a pending message and then drops
+            the request.</p>
+          <p>These messages will now be silently dropped, forcing the 
+            other side to resend. </p>
+          <p>Own Id: OTP-7192</p>
+	  <p>Aux Id: Seq 10884</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+
+    <section>
+      <title>Incompatibilities</title>
+      <p>-</p>
+
+<!--
+      <list type="bulleted">
+        <item>
+          <p>For those implementing their own codec's, the new megaco_encoder
+            behaviour will require three more functions. See above for more
+            info. </p>
+          <p>Own Id: OTP-7168</p>
+	  <p>Aux Id: Seq 10867</p>
+        </item>
+
+      </list>
+-->
+
+    </section>
+  </section> <!-- 3.9 -->
+
+
+  <section>
     <title>Megaco 3.8.2</title>
 
     <p>Version 3.8.2 supports code replacement in runtime from/to
@@ -901,7 +1310,7 @@
       <list>
         <item>
           <p>When timers expire while a connection cancel
-            (megaco:cancel) is in progress, there is a raise
+            (megaco:cancel) is in progress, there is a race
             condition possibility. This has been eliminated. </p>
           <p>Own Id: OTP-6921</p>
 	  <p>Aux Id: Seq 10450</p>
@@ -1166,7 +1575,7 @@
       <list type="bulleted">
         <item>
           <p>When replies arrive during a call to megaco:cancel
-            there is a raise condition possibility. This has been
+            there is a race condition possibility. This has been
             eliminated. </p>
           <p>Own Id: OTP-6276</p>
           <p>Aux Id: Seq 10450</p>