[#1306] Updated stats description

diff --git a/doc/sphinx/arm/ctrl-channel.rst b/doc/sphinx/arm/ctrl-channel.rst
index 97a9d6bfc23f8f5d06beaea00ed0f2c85d4c5145..c633ec837b73c48d948d3556567d29042dd42c63 100644 (file)
--- a/doc/sphinx/arm/ctrl-channel.rst
+++ b/doc/sphinx/arm/ctrl-channel.rst
@@ -607,10 +607,14 @@ The ``status-get`` command returns server's runtime information:
 
  - thread-pool-size: number of dhcp service threads.
 
- - packet-queue-size: maximum size of the packet queue.
+ - packet-queue-size: maximum size of the packet queue. There is one queue,
+   regardless of how many threads are running.
 
  - packet-queue-statistics: average queue size for last 10, 100 and 1000
-   packets.
+   packets. This statistic uses approach similar to unix ``top`` command.
+   The averaged queue size for the last 10 packets can be considered an
+   instantenous value, while average for the last 1000 packets shows
+   longer term trend.
 
 The ``high-availability`` information is returned only when the command is
 sent to the DHCP servers being in the HA setup. This parameter is