The expiration for all items is 30 mins =================== stats ================================== STAT pid 1 STAT uptime 874624 STAT time 1498177737 STAT version 1.4.34 STAT libevent 2.0.21-stable STAT pointer_size 64 STAT rusage_user 149928.880000 STAT rusage_system 20235.240000 STAT curr_connections 342 STAT total_connections 14816 STAT rejected_connections 0 STAT connection_structures 344 STAT reserved_fds 10 STAT cmd_get 2431931655 STAT cmd_set 1674656279 STAT cmd_flush 0 STAT cmd_touch 0 STAT cmd_config_get 109145 STAT cmd_config_set 2 STAT get_hits 1737530329 STAT get_misses 694401326 STAT get_expired 49107 STAT get_flushed 0 STAT delete_misses 0 STAT delete_hits 0 STAT incr_misses 0 STAT incr_hits 0 STAT decr_misses 0 STAT decr_hits 0 STAT cas_misses 4 STAT cas_hits 451106648 STAT cas_badval 530100 STAT touch_hits 0 STAT touch_misses 0 STAT auth_cmds 0 STAT auth_errors 0 STAT bytes_read 1319246358299 STAT bytes_written 1238308983641 STAT limit_maxbytes 6787432448 STAT launch_time_maxbytes 6787432448 STAT accepting_conns 1 STAT listen_disabled_num 0 STAT time_in_listen_disabled_us 0 STAT threads 2 STAT conn_yields 0 STAT hash_power_level 22 STAT hash_bytes 33554432 STAT hash_is_expanding 0 STAT curr_config 1 STAT slab_reassign_rescues 0 STAT slab_reassign_chunk_rescues 0 STAT slab_reassign_evictions_nomem 0 STAT slab_reassign_inline_reclaim 0 STAT slab_reassign_busy_items 0 STAT slab_reassign_running 0 STAT slabs_moved 0 STAT lru_crawler_running 0 STAT lru_crawler_starts 629012 STAT lru_maintainer_juggles 513869396 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 bytes 2520842198 STAT curr_items 2234247 STAT total_items 1674126175 STAT expired_unfetched 48225226 STAT evicted_unfetched 0 STAT evicted_active 0 STAT evictions 0 STAT reclaimed 447052919 STAT crawler_reclaimed 437349953 STAT crawler_items_checked 217893516538 STAT lrutail_reflocked 12575 STAT moves_to_cold 916002463 STAT moves_to_warm 143197938 STAT moves_within_lru 655572218 STAT direct_reclaims 0
==================================== stats settings ================================================= stats settings STAT maxbytes 6787432448 STAT launch_time_maxbytes 6787432448 STAT maxconns 65000 STAT tcpport 11211 STAT udpport 11211 STAT inter NULL STAT verbosity 1 STAT oldest 0 STAT evictions on STAT domain_socket NULL STAT umask 700 STAT growth_factor 1.15 STAT chunk_size 5 STAT num_threads 2 STAT num_threads_per_udp 2 STAT stat_key_prefix : STAT detail_enabled no STAT reqs_per_event 20 STAT cas_enabled yes STAT tcp_backlog 1024 STAT binding_protocol auto-negotiate STAT auth_enabled_sasl no STAT item_size_max 1048576 STAT config_max 16 STAT config_size_max 65536 STAT maxconns_fast yes STAT hashpower_init 16 STAT slab_reassign yes STAT slab_automove 0 STAT slab_chunk_max 524288 STAT lru_crawler yes STAT lru_crawler_sleep 100 STAT lru_crawler_tocrawl 0 STAT tail_repair_time 0 STAT flush_enabled yes STAT dump_enabled yes STAT hash_algorithm murmur3 STAT lru_maintainer_thread yes STAT hot_lru_pct 32 STAT warm_lru_pct 32 STAT expirezero_does_not_evict no STAT idle_timeout 0 STAT watcher_logbuf_size 262144 STAT worker_logbuf_size 65536 STAT track_sizes no On Thursday, June 22, 2017 at 7:53:56 PM UTC-4, Dormando wrote: > > Can you paste the full output from the 'stats' command against the server? > Also: "stats settings" would be great. > > Also; do you know anything about your data? what the TTL's are, for > instance? It's possible a bunch of stuff expires, which can get reclaimed > quickly by some processes depending on your start arguments. > > On Thu, 22 Jun 2017, red 888 wrote: > > > Oh sorry! Version 1.4.34. > > > > On Thursday, June 22, 2017 at 4:52:18 PM UTC-4, Dormando wrote: > > Think I've asked this a few times; what version are you running? > > > > On Thu, 22 Jun 2017, red 888 wrote: > > > > > So when I look at my stats I see no cmd_flush commands are being > run. cmd_flush is 0 > > and stays at 0. > > > > > > On Thursday, June 22, 2017 at 12:44:28 PM UTC-4, Dormando wrote: > > > Looks like a weird access pattern. you're filling memory, > evicting a bit, > > > then losing all of it at once. Is your "cmd_flush" counter > increasing? > > > > > > On Thu, 22 Jun 2017, red 888 wrote: > > > > > > > If I look at the slab stats over time I see the % of > chunks_used (relative to > > > total_chunks) spike up (some slab classes hit 45% some hit > 75%) then spike > > > > down and at the same time they are spiking down > evictions spike up. This > > happens about > > > every 2-4 minutes. > > > > > > > > I've attached a screen shot of this pattern in a time > series (raw stats not > > > phpmemchacheadmin). In the graphs I'm filtering for just > one slab class but I > > > > see this for all the most active slabs ( roughly 5 > active slab classes). > > > > Inline image 2 > > > > > > > > On Jun 21, 2017 2:27 PM, "dormando" <[email protected]> > wrote: > > > > Is the evictions counter increasing all the time? > It might only be > > > > completely full sometimes, which would cause > evictions (like during > > peak). > > > > > > > > if used is less than total but evictions is going > up, either you have an > > > > old broken version of memcached or that > phpmemcachedadmin thing is wrong, > > > > and you should just look at the output of the > "stats items" and "stats > > > > slabs" commands. > > > > > > > > On Wed, 21 Jun 2017, red 888 wrote: > > > > > > > > > Here is a snap shot of one of my slab class's > stats (from > > PHPMemcachedAdmin): > > > > > > > > > > [Capture.PNG] > > > > > > > > > > > > > > > So what I'm confused about is why, with my > used_chunks so low, am I > > getting > > > evictions for this slab class? > > > > > > > > > > > > > > > used_chunks are chunks with items that have not > expired yet and > > total_chunks is > > > all allocated chunks including chunks with items that > > > > _have_ expired > > > > > correct? > > > > > > > > > > > > > > > If thats the case it means if 25% of the > allocated chunks are "used" > > and 75% of > > > the allocated chunks have expired. So it should have > plenty > > > > of chunks to > > > > > reclaim before having to evict I would think. > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > > --- > > > > > You received this message because you are > subscribed to the Google > > Groups > > > "memcached" group. > > > > > To unsubscribe from this group and stop > receiving emails from it, send > > an email > > > to [email protected]. > > > > > For more options, visit > https://groups.google.com/d/optout. > > > > > > > > > > > > > > > > > > -- > > > > > > > > --- > > > > You received this message because you are > subscribed to a topic in the > > Google > > > Groups "memcached" group. > > > > To unsubscribe from this topic, visit > > > > https://groups.google.com/d/topic/memcached/VXm-hnGzqXY/unsubscribe. > > > > To unsubscribe from this group and all its topics, > send an email to > > > [email protected]. > > > > For more options, visit > https://groups.google.com/d/optout. > > > > > > > > -- > > > > > > > > --- > > > > You received this message because you are subscribed to > the Google Groups > > "memcached" > > > group. > > > > To unsubscribe from this group and stop receiving emails > from it, send an email > > to > > > [email protected]. > > > > For more options, visit > https://groups.google.com/d/optout. > > > > > > > > > > > > > > -- > > > > > > --- > > > You received this message because you are subscribed to the > Google Groups "memcached" > > group. > > > To unsubscribe from this group and stop receiving emails from > it, send an email to > > > [email protected]. > > > For more options, visit https://groups.google.com/d/optout. > > > > > > > > > > -- > > > > --- > > You received this message because you are subscribed to the Google > Groups "memcached" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to > > [email protected] <javascript:>. > > For more options, visit https://groups.google.com/d/optout. > > > > -- --- You received this message because you are subscribed to the Google Groups "memcached" group. 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