Shared memory metadata cache 'pagespeed_default_shm' statistics:
Total put operations: 35494
updating an existing key: 965
replace/conflict miss: 0
simultaneous same-key insert: 0
dropped since all of associativity set locked: 0
spinning sleeps performed by writers: 0
Total get operations: 15302
hits: 12391 (80.98%)
Entries used: 34519 (12.11%)
Blocks used: 559494 (98.18%)