memcached as session handler 3x more reads then writes

[Stan <stan@xxxxxxxxxx>]

Hi,

Does anyone have an experience with using memcached session handler or 
possibly enough knowledge of internal php session processing who could 
explain why we do get 3x more session set commands then get commands?
in data it is actually 1:1, same amount of data is being written as read 
which is what we expect but we are confused by set:get ratio. Apart from 
that session handling seems to be stable and with no problems.

Thanks Stan


here is memcache stat:


   [pid] => 12709
   [uptime] => 98239
   [time] => 1244029678
   [version] => 1.2.6
   [pointer_size] => 64
   [rusage_user] => 359.122443
   [rusage_system] => 533.937369
   [curr_items] => 149742
   [total_items] => 12530243
   [bytes] => 412168840
   [curr_connections] => 58
   [total_connections] => 4983
   [connection_structures] => 286
   [cmd_get] => 5765795
   [cmd_set] => 16948817
   [get_hits] => 5683669
   [get_misses] => 82126
   [evictions] => 0
   [bytes_read] => 50024940586
   [bytes_written] => 50218604759
   [limit_maxbytes] => 1073741824
   [threads] => 4




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