how many es can you find in:
q: how do i increase the curr_connections limit using memcache? i am using a server with centos 6.5 64 bits kernel 2.6.32 and 64 gb ram and 12 threads cores, and i cannot get increase the current connections used in memcache.
this is my stats output:
# echo stats | nc 127.0.0.1 11211
stat pid 356091
stat uptime 440
stat time 1409760961
stat version 1.4.20
stat libevent 2.0.21-stable
stat pointer_size 64
stat rusage_user 1.747734
stat rusage_system 3.660443
stat curr_connections 64
stat total_connections 133
stat connection_structures 64
stat reserved_fds 60
stat cmd_get 123537
stat cmd_set 63080
stat cmd_flush 0
stat cmd_touch 0
stat get_hits 73162
stat get_misses 50375
stat delete_misses 8979
stat delete_hits 1090
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 auth_cmds 0
stat auth_errors 0
stat bytes_read 68155115
stat bytes_written 181284445
stat limit_maxbytes 17179869184
stat accepting_conns 1
stat listen_disabled_num 0
stat threads 12
stat conn_yields 0
stat hash_power_level 16
stat hash_bytes 524288
stat hash_is_expanding 0
stat malloc_fails 0
stat bytes 20493483
stat curr_items 17980
stat total_items 63080
stat expired_unfetched 145
stat evicted_unfetched 0
stat evictions 0
stat reclaimed 147
stat crawler_reclaimed 0
end

my output for ulimit (i dont know if i am reaching some system config)
# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 515008
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) unlimited
open files                      (-n) 999999
pipe size            (512 bytes, -p) 8
posix message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 65535
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

my memcached config 
# cat /etc/sysconfig/memcached 
port=11211
user=memcached
maxconn=2048
cachesize=16384
options=-t 12 -l 127.0.0.1

the current server has more than 6k-7k access per second, so it is not a problem with few users and it is only connecting 64 to memcache connections.
which parameter do i change for increasing stat curr_connections 64 to upper limit?

a: try looking at ulimit of the memcached user. something like this:
su memcached -s /bin/bash
ulimit -a


user
In the text, there are 182 "e"s.
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