Merge "Support for increasing thread cache size in TCMalloc."

ansible/roles/ceph/defaults/main.yml

@@ -25,6 +25,9 @@ ceph_rgw_image_full: "{{ ceph_rgw_image }}:{{ ceph_rgw_tag }}"
 ####################
 osd_initial_weight: "1"
 
+# Increase tcmalloc cache size
+ceph_tcmalloc_tc_bytes: "134217728"
+
 ####################
 ## Ceph_rgw_keystone
 ####################

ansible/roles/ceph/tasks/start_osds.yml

@@ -37,6 +37,7 @@
       KOLLA_CONFIG_STRATEGY: "{{ config_strategy }}"
       OSD_ID: "{{ item.0.stdout }}"
       JOURNAL_PARTITION: "{{ item.1.journal }}"
+      TCMALLOC_MAX_TOTAL_THREAD_CACHE_BYTES: "{{ ceph_tcmalloc_tc_bytes }}"
     image: "{{ ceph_osd_image_full }}"
     name: "ceph_osd_{{ item.0.stdout }}"
     pid_mode: "host"