memcache 1.2.2 crash?

Brandon Ooi brandon at hotornot.com
Sat Jun 16 04:12:28 UTC 2007


Hi,

Our memcache machines seem to be dying off randomly after a long time 
and we can't figure out why. We're running them on 32bit FC 6 machines 
with 4GB or ram.

There's no messages in /var/log/messages or dmesg.

Here's a "snapshot" of the stats of one of the memcache machines before 
it died. Does anybody have any ideas as to why this could be or does any 
of this look weird?

pid    2426
uptime    1155776
time    1180585163
version    1.2.2
pointer_size    32
rusage_user    7756.163883
rusage_system    23106.066343
curr_items    5681384
total_items    86312412
bytes    2.56 GB
curr_connections    1332
total_connections    2265133
connection_structures    5399
cmd_get    1095198349
cmd_set    86312412
get_hits    1024085078
get_misses    71113271
evictions    0
bytes_read    106.39 GB
bytes_written    896.24 GB
limit_maxbytes    3.42 GB
threads    1
'qps'    1022.27
hit/miss ratio    14.40
get/set ratio    12.69
write/read ratio    8.42


Brandon


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