Here is the output of Stats and Max Connection is default 1024.
STAT pid 4864
STAT uptime 2998936
STAT time 1693861446
STAT version 1.6.14
STAT libevent 2.1.12-stable
STAT pointer_size 64
STAT rusage_user 13987.394262
STAT rusage_system 82532.203530
STAT max_connections 1024
STAT curr_connections 17
STAT total_connections 20596143
STAT rejected_connections 0
STAT connection_structures 396
STAT response_obj_oom 0
STAT response_obj_count 1
STAT response_obj_bytes 65536
STAT read_buf_count 404
STAT read_buf_bytes 6619136
STAT read_buf_bytes_free 6537216
STAT read_buf_oom 0
STAT reserved_fds 20
STAT cmd_get 631330051
STAT cmd_set 8023749
STAT cmd_flush 0
STAT cmd_touch 0
STAT cmd_meta 0
STAT get_hits 611286014
STAT get_misses 20044037
STAT get_expired 242694
STAT get_flushed 0
STAT delete_misses 3121717
STAT delete_hits 497387
STAT incr_misses 0
STAT incr_hits 0
STAT decr_misses 0
STAT decr_hits 0
STAT cas_misses 0
STAT cas_hits 0
STAT cas_badval 0
STAT touch_hits 0
STAT touch_misses 0
STAT store_too_large 117
STAT store_no_memory 0
STAT auth_cmds 0
STAT auth_errors 0
STAT bytes_read 76408019517
STAT bytes_written 2220920094426
STAT limit_maxbytes 13958643712
STAT accepting_conns 1
STAT listen_disabled_num 0
STAT time_in_listen_disabled_us 0
STAT threads 4
STAT conn_yields 0
STAT hash_power_level 20
STAT hash_bytes 8388608
STAT hash_is_expanding 0
STAT slab_reassign_rescues 6085
STAT slab_reassign_chunk_rescues 0
STAT slab_reassign_evictions_nomem 0
STAT slab_reassign_inline_reclaim 5
STAT slab_reassign_busy_items 0
STAT slab_reassign_busy_deletes 0
STAT slab_reassign_running 0
STAT slabs_moved 45
STAT lru_crawler_running 0
STAT lru_crawler_starts 659029
STAT lru_maintainer_juggles 122729387
STAT malloc_fails 0
STAT log_worker_dropped 0
STAT log_worker_written 0
STAT log_watcher_skipped 0
STAT log_watcher_sent 0
STAT log_watchers 0
STAT unexpected_napi_ids 0
STAT round_robin_fallback 0
STAT bytes 3098827518
STAT curr_items 1027764
STAT total_items 8026776
STAT slab_global_page_pool 0
STAT expired_unfetched 589680
STAT evicted_unfetched 0
STAT evicted_active 0
STAT evictions 0
STAT reclaimed 81428
STAT crawler_reclaimed 1162226
STAT crawler_items_checked 5028977899
STAT lrutail_reflocked 8635
STAT moves_to_cold 5373497
STAT moves_to_warm 4364867
STAT moves_within_lru 3173096
STAT direct_reclaims 0
STAT lru_bumps_dropped 0
END
On Monday, September 4, 2023 at 11:53:10 PM UTC+3 dormando wrote:
> Hey,
>
> Can you include the output from "stats"?
>
> Connections have nothing to do with CPU/memory/disk space(??). There's a
> connection limit (-c) you're running into. The stats output will list the
> connection limit and if connections have been rejected because of it.
>
> On Sep 4, 2023, at 1:14 PM, Ahmet Faruk Dereli
> wrote:
>
> Hello,
>
>
>
> We've been using Memcached for our Drupal/CiviCRM site setups, and
> recently, I started encountering Memcache connection errors on the PHP
> side. Upon checking, Memcache seems to be running fine, and there are no
> issues with Memory, CPU, or Disk space. Additionally, Memcached is not
> reaching its memory limits.
>
> However, when I run in debug mode, I observe connection rejections. There
> appears to be sufficient space available.
>
> I'm looking for guidance on what else I can check to identify and resolve
> this issue. Any insights or suggestions would be greatly appreciated.
>
> Thank you in advance.
>
> Best regards,
> Ahmet,
>
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