X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=docs%2Fuser-guide.rst;h=a68f749a4d4c85654b6c03113a3931c0979ee4e4;hb=007a7c53b32f289c795d1135c170a231ae4cbf67;hp=6cb4eac7eaf5512791ac6b0cc4f36bc429a45180;hpb=93af0da42e5e9e5b797b76c59fa568810df7f9ba;p=transportpce.git

diff --git a/docs/user-guide.rst b/docs/user-guide.rst
index 6cb4eac7e..a68f749a4 100644
--- a/docs/user-guide.rst
+++ b/docs/user-guide.rst
@@ -63,6 +63,8 @@ Preparing for Installation
 
 1. Devices must support the standard OpenROADM Models more precisely versions 1.2.1 and 2.2.1.
    Since Magnesium SR0, an OTN experimental support is provided for OpenROADM devices 2.2.1.
+   Magnesium SR2 is the first release managing end-to-end OTN services, as OCH-OTU4,
+   structured ODU4 or again 10GE-ODU2e services.
 
 2. Devices must support configuration through NETCONF protocol/API.
 
@@ -79,6 +81,13 @@ if you need TAPI limited support, then run::
 
    feature:install odl-transportpce-tapi
 
+When installing the TAPI feature, you might encounter a heap memory size problem in Karaf.
+In that case, consider increasing Karaf heap memory size.
+For example by modifying the environment variables JAVA_MIN_MEM and JAVA_MAX_MEM before starting Karaf::
+
+   export JAVA_MIN_MEM=1024M
+   export JAVA_MAX_MEM=4069M
+
 if you need the inventory external connector support limited to 1.2.1 OpenROADM devices, then run::
 
    feature:install odl-transportpce-inventory