diff --git a/dev-support/hbase-personality.sh b/dev-support/hbase-personality.sh
index 80d25866a36..5526e09d598 100755
--- a/dev-support/hbase-personality.sh
+++ b/dev-support/hbase-personality.sh
@@ -65,10 +65,13 @@ function personality_globals
   # Override the maven options
   MAVEN_OPTS="${MAVEN_OPTS:-"-Xmx3100M"}"
 
-  # Yetus 0.7.0 enforces limits.
-  # Default proclimit is 1000. Up it.
-  # We seem to use close to 3k.
-  PROCLIMIT=5000
+  # Yetus 0.7.0 enforces limits. Default proclimit is 1000.
+  # Up it. See HBASE-19902 for how we arrived at this number. 
+  PROCLIMIT=10000
+
+  # Set docker container to run with 20g. Default is 4g in yetus.
+  # See HBASE-19902 for how we arrived at 20g.
+  DOCKERMEMLIMIT=20g
 }
 
 ## @description  Parse extra arguments required by personalities, if any.
diff --git a/dev-support/hbase_nightly_yetus.sh b/dev-support/hbase_nightly_yetus.sh
index 3e6fc7c97d7..651a2e22d77 100755
--- a/dev-support/hbase_nightly_yetus.sh
+++ b/dev-support/hbase_nightly_yetus.sh
@@ -68,6 +68,7 @@ YETUS_ARGS=("--sentinel" "${YETUS_ARGS[@]}")
 YETUS_ARGS=("--branch=${BRANCH_NAME}" "${YETUS_ARGS[@]}")
 YETUS_ARGS=("--tests-filter=${TESTS_FILTER}" "${YETUS_ARGS[@]}")
 YETUS_ARGS=("--proclimit=${PROCLIMIT}" "${YETUS_ARGS[@]}")
+YETUS_ARGS=("--dockermemlimit=${DOCKERMEMLIMIT}" "${YETUS_ARGS[@]}")
 
 # Currently, flaky list is calculated only for master branch.
 UNDERSCORED_BRANCH_NAME=$(echo ${BRANCH_NAME} | tr '.-' '_')