Shared memory metadata cache 'pagespeed_default_shm' statistics:
Total put operations: 156556
updating an existing key: 6242
replace/conflict miss: 2
simultaneous same-key insert: 0
dropped since all of associativity set locked: 0
spinning sleeps performed by writers: 0
Total get operations: 82329
hits: 68594 (83.32%)
Entries used: 150157 (52.70%)
Blocks used: 557446 (97.82%)