Shared memory metadata cache 'pagespeed_default_shm' statistics:
Total put operations: 190322
updating an existing key: 6202
replace/conflict miss: 855
simultaneous same-key insert: 0
dropped since all of associativity set locked: 0
spinning sleeps performed by writers: 0
Total get operations: 69278
hits: 54423 (78.56%)
Entries used: 156466 (54.91%)
Blocks used: 568819 (99.82%)