Hello everyone. This is the output of my cache settings: #################################################################### Squid Object Cache: Version 3.3.3 Start Time: Sun, 16 Jun 2013 08:30:40 GMT Current Time: Tue, 09 Jul 2013 05:48:57 GMT Connection information for squid: Number of clients accessing cache: 10 Number of HTTP requests received: 3734834 Number of ICP messages received: 745111 Number of ICP messages sent: 745514 Number of queued ICP replies: 0 Number of HTCP messages received: 0 Number of HTCP messages sent: 0 Request failure ratio: 0.00 Average HTTP requests per minute since start: 113.3 Average ICP messages per minute since start: 45.2 Select loop called: 1780628183 times, 1.111 ms avg Cache information for squid: Hits as % of all requests: 5min: 11.1%, 60min: 11.1% Hits as % of bytes sent: 5min: 28.0%, 60min: 29.5% Memory hits as % of hit requests: 5min: 38.8%, 60min: 35.8% Disk hits as % of hit requests: 5min: 15.0%, 60min: 16.7% Storage Swap size: 14155772 KB Storage Swap capacity: 90.0% used, 10.0% free Storage Mem size: 259448 KB Storage Mem capacity: 99.0% used, 1.0% free Mean Object Size: 17.49 KB Requests given to unlinkd: 614195 Median Service Times (seconds) 5 min 60 min: HTTP Requests (All): 0.00286 0.00286 Cache Misses: 0.17711 0.15048 Cache Hits: 0.00000 0.00000 Near Hits: 0.00598 0.01035 Not-Modified Replies: 0.00179 0.00000 DNS Lookups: 0.00000 0.00000 ICP Queries: 0.00000 0.00000 Resource usage for squid: UP Time: 1977496.987 seconds CPU Time: 11355.530 seconds CPU Usage: 0.57% CPU Usage, 5 minute avg: 1.72% CPU Usage, 60 minute avg: 0.84% Process Data Segment Size via sbrk(): 687892 KB Maximum Resident Size: 2810512 KB Page faults with physical i/o: 28916 Memory usage for squid via mallinfo(): Total space in arena: 688024 KB Ordinary blocks: 664436 KB 3653 blks Small blocks: 0 KB 0 blks Holding blocks: 37796 KB 11 blks Free Small blocks: 0 KB Free Ordinary blocks: 23588 KB Total in use: 23588 KB 3% Total free: 23588 KB 3% Total size: 725820 KB Memory accounted for: Total accounted: 450880 KB 62% memPool accounted: 450880 KB 62% memPool unaccounted: 274940 KB 38% memPoolAlloc calls: 1215726370 memPoolFree calls: 1228693320 File descriptor usage for squid: Maximum number of file descriptors: 65536 Largest file desc currently in use: 346 Number of file desc currently in use: 303 Files queued for open: 0 Available number of file descriptors: 65233 Reserved number of file descriptors: 100 Store Disk files open: 0 Internal Data Structures: 809371 StoreEntries 28483 StoreEntries with MemObjects 28481 Hot Object Cache Items 809317 on-disk objects ######################################################################## How I can better configure memory usage? Storage Swap capacity: 90.0% used, 10.0% free Storage Mem capacity: 99.0% used, 1.0% free thanks