Update max-pending-packet comments to show it is now per-thread.

Updated suricata.yaml and comments in the code.

src/suricata.c

@@ -187,12 +187,12 @@ volatile sig_atomic_t sigterm_count = 0;
 
 /*
  * Flag to indicate if the engine is at the initialization
- * or already processing packets. 2 stages: SURICATA_INIT,
+ * or already processing packets. 3 stages: SURICATA_INIT,
  * SURICATA_RUNTIME and SURICATA_FINALIZE
  */
 SC_ATOMIC_DECLARE(unsigned int, engine_stage);
 
-/* Max packets processed simultaniously. */
+/* Max packets processed simultaniously per thread. */
 #define DEFAULT_MAX_PENDING_PACKETS 1024
 
 /** suricata engine control flags */

suricata.yaml.in

@@ -6,9 +6,9 @@
 # https://redmine.openinfosecfoundation.org/projects/suricata/wiki/Suricatayaml
 
 
-# Number of packets allowed to be processed simultaneously.  Default is a
+# Number of packets preallocated per thread. The default is 1024. A higher number 
-# conservative 1024. A higher number will make sure CPU's/CPU cores will be
+# will make sure each CPU will be more easily kept busy, but may negatively 
-# more easily kept busy, but may negatively impact caching.
+# impact caching.
 #
 # If you are using the CUDA pattern matcher (mpm-algo: ac-cuda), different rules
 # apply. In that case try something like 60000 or more. This is because the CUDA