vstarh.sh: Crimson - set crimson_alien_thread_cpu_cores

Signed-off-by: Matan Breizman <mbreizma@redhat.com>

diff --git a/src/vstart.sh b/src/vstart.sh
index 2317d5da60530cdba85c0a8cc6ef920a8c434c39..f9b2f3ce4cf2198afb3b6098b80fedeadb8eeb83 100755 (executable)
--- a/src/vstart.sh
+++ b/src/vstart.sh
@@ -1666,6 +1666,12 @@ fi
 
 if [ "$ceph_osd" == "crimson-osd" ]; then
     $CEPH_BIN/ceph -c $conf_fn config set osd crimson_seastar_smp $crimson_smp
+    if [ "$(expr $(nproc) - 1)" -gt "$(($CEPH_NUM_OSD * crimson_smp))" ]; then
+      echo "crimson_alien_thread_cpu_cores:" $(($CEPH_NUM_OSD * crimson_smp))-"$(expr $(nproc) - 1)"
+      $CEPH_BIN/ceph -c $conf_fn config set osd crimson_alien_thread_cpu_cores $(($CEPH_NUM_OSD * crimson_smp))-"$(expr $(nproc) - 1)"
+    else
+      echo "No alien thread cpu core isolation"
+    fi
 fi
 
 if [ $CEPH_NUM_MGR -gt 0 ]; then