X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=docs%2Fuser-guide.rst;h=a68f749a4d4c85654b6c03113a3931c0979ee4e4;hb=9c5d4ceb7a917b937cb281e12a94c1663fb57bb4;hp=541bbc939a5dbeba79b5775984d8890892929e14;hpb=83a3011e3b93b0fd82409d60b64ccb677025bbe7;p=transportpce.git

diff --git a/docs/user-guide.rst b/docs/user-guide.rst
index 541bbc939..a68f749a4 100644
--- a/docs/user-guide.rst
+++ b/docs/user-guide.rst
@@ -81,6 +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