tripleo_memcached_healthcheck output is too verbose and "spamming" the journal with stats of dubious usefulness (under normal circumstances):
Mar 26 12:48:56 undercloud-0.redhat.local systemd[1]: Starting memcached healthcheck...
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT pid 8
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT uptime 396
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT time 1553604535
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT version 1.5.9
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT libevent 2.1.8-stable
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT pointer_size 64
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT rusage_user 0.024644
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT rusage_system 0.012177
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT max_connections 8192
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT curr_connections 1
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT total_connections 2
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT rejected_connections 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT connection_structures 2
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT reserved_fds 40
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT cmd_get 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT cmd_set 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT cmd_flush 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT cmd_touch 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT get_hits 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT get_misses 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT get_expired 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT get_flushed 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT delete_misses 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT delete_hits 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT incr_misses 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT incr_hits 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT decr_misses 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT decr_hits 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT cas_misses 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT cas_hits 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT cas_badval 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT touch_hits 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT touch_misses 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT auth_cmds 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT auth_errors 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT bytes_read 6
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT bytes_written 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT limit_maxbytes 10436476928
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT accepting_conns 1
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT listen_disabled_num 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT time_in_listen_disabled_us 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT threads 8
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT conn_yields 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT hash_power_level 16
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT hash_bytes 524288
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT hash_is_expanding 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT slab_reassign_rescues 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT slab_reassign_chunk_rescues 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT slab_reassign_evictions_nomem 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT slab_reassign_inline_reclaim 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT slab_reassign_busy_items 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT slab_reassign_busy_deletes 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT slab_reassign_running 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT slabs_moved 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT lru_crawler_running 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT lru_crawler_starts 1020
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT lru_maintainer_juggles 446
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT malloc_fails 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT log_worker_dropped 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT log_worker_written 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT log_watcher_skipped 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT log_watcher_sent 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT bytes 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT curr_items 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT total_items 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT slab_global_page_pool 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT expired_unfetched 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT evicted_unfetched 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT evicted_active 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT evictions 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT reclaimed 0
Mar 26 12:48:56 undercloud-0.redhat.local podman[41971]: STAT crawler_reclaimed 0
...
It would be worth checking if we could either reduce the amount of data or use a different logging facility / destination.
Fix proposed to branch: master /review. openstack. org/647821
Review: https:/