X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=docs%2Finstallation-guide.rst;h=d59cb877641d328ee5a7d241061d975cd1bb70d4;hb=75d92b757580f01bacdb745c1a1afc17f8a6f913;hp=5ddad4851f4379820a06f0aac92fe357a357c56c;hpb=4249398baf8e9607f4e2a88d214410affc818666;p=ric-plt%2Fa1.git

diff --git a/docs/installation-guide.rst b/docs/installation-guide.rst
index 5ddad48..d59cb87 100644
--- a/docs/installation-guide.rst
+++ b/docs/installation-guide.rst
@@ -1,8 +1,9 @@
 .. This work is licensed under a Creative Commons Attribution 4.0 International License.
 .. http://creativecommons.org/licenses/by/4.0
+.. Copyright (C) 2019 AT&T Intellectual Property
 
-Installation Guide
-==================
+A1 Installation Guide
+=====================
 
 .. contents::
    :depth: 3
@@ -13,9 +14,11 @@ Optional ENV Variables
 
 You can set the following ENVs to change the A1 behavior:
 
-1. ``RMR_RETRY_TIMES`` the number of times failed rmr operations such as
-timeouts and send failures should be retried before A1 gives up and
-returns a 503. The default is ``4``.
+1. ``A1_RMR_RETRY_TIMES``: the number of times failed rmr operations such as timeouts and send failures should be retried before A1 gives up and returns a 503. The default is ``4``.
+
+2. ``INSTANCE_DELETE_NO_RESP_TTL``: Please refer to the delete flowchart in docs/; this is ``T1`` there. The default is 5 (seconds). Basically, the number of seconds that a1 waits to remove an instance from the database after a delete is called in the case that no downstream apps responded.
+
+3. ``INSTANCE_DELETE_RESP_TTL``: Please refer to the delete flowchart in docs/; this is ``T2`` there. The default is 5 (seconds). Basically, the number of seconds that a1 waits to remove an instance from the database after a delete is called in the case that downstream apps responded.
 
 K8S
 ---