this is squid 3.3.6 [root@LARS squid]# tail -n 30 /var/log/squid/cache.log 2013/07/03 06:34:59| Target number of buckets: 40392 2013/07/03 06:34:59| Using 65536 Store buckets 2013/07/03 06:34:59| Max Mem size: 262144 KB 2013/07/03 06:34:59| Max Swap size: 10240000 KB 2013/07/03 06:34:59| Rebuilding storage in /home/squid (clean log) 2013/07/03 06:34:59| Using Least Load store dir selection 2013/07/03 06:34:59| Set Current Directory to /home/squid 2013/07/03 06:34:59| Loaded Icons. 2013/07/03 06:34:59| HTCP Disabled. 2013/07/03 06:34:59| Squid plugin modules loaded: 0 2013/07/03 06:34:59| Accepting NAT intercepted HTTP Socket connections at local=0.0.0.0:3128 remote=[::] FD 16 flags=41 2013/07/03 06:34:59| Accepting HTTP Socket connections at local=127.0.0.1:3129 remote=[::] FD 17 flags=9 2013/07/03 06:34:59| Store rebuilding is 1.33% complete 2013/07/03 06:35:00| Done reading /home/squid swaplog (299709 entries) 2013/07/03 06:35:00| Finished rebuilding storage from disk. 2013/07/03 06:35:00| 299709 Entries scanned 2013/07/03 06:35:00| 0 Invalid entries. 2013/07/03 06:35:00| 0 With invalid flags. 2013/07/03 06:35:00| 299709 Objects loaded. 2013/07/03 06:35:00| 0 Objects expired. 2013/07/03 06:35:00| 0 Objects cancelled. 2013/07/03 06:35:00| 0 Duplicate URLs purged. 2013/07/03 06:35:00| 0 Swapfile clashes avoided. 2013/07/03 06:35:00| Took 1.36 seconds (220842.74 objects/sec). 2013/07/03 06:35:00| Beginning Validation Procedure 2013/07/03 06:35:00| 262144 Entries Validated so far. 2013/07/03 06:35:00| Completed Validation Procedure 2013/07/03 06:35:00| Validated 299707 Entries 2013/07/03 06:35:00| store_swap_size = 8047432.00 KB 2013/07/03 06:35:01| storeLateRelease: released 0 objects [root@LARS squid]# find . -type f | wc -l 299706 this means there are 299706 files in /home/squid including the swap.state file so a total of 299705 objects on disk but swap.state thinks there are 299709 files. another thing I found. cat /var/log/squid/cache.log | grep WARNING | grep swapin 2013/06/08 23:35:45| WARNING: 1 swapin MD5 mismatches 2013/06/09 00:28:59| WARNING: 10 swapin MD5 mismatches 2013/06/09 12:20:56| WARNING: 1 swapin MD5 mismatches 2013/06/09 12:25:46| WARNING: 10 swapin MD5 mismatches 2013/06/09 14:40:18| WARNING: 1 swapin MD5 mismatches 2013/06/10 02:31:02| WARNING: 1 swapin MD5 mismatches 2013/06/10 13:00:37| WARNING: 1 swapin MD5 mismatches 2013/06/10 22:59:53| WARNING: 1 swapin MD5 mismatches 2013/06/12 14:41:23| WARNING: 1 swapin MD5 mismatches 2013/06/15 04:37:03| WARNING: 1 swapin MD5 mismatches 2013/06/28 07:07:33| WARNING: 1 swapin MD5 mismatches 2013/06/28 21:51:19| WARNING: 1 swapin MD5 mismatches 2013/06/29 23:41:49| WARNING: 1 swapin MD5 mismatches 2013/06/30 04:14:24| WARNING: 10 swapin MD5 mismatches 2013/06/30 19:10:49| WARNING: 1 swapin MD5 mismatches 2013/06/30 19:10:49| WARNING: 10 swapin MD5 mismatches 2013/07/02 13:44:11| WARNING: 1 swapin MD5 mismatches 2013/07/02 13:48:35| WARNING: 10 swapin MD5 mismatches 2013/07/02 23:27:32| WARNING: 100 swapin MD5 mismatches 2013/07/03 06:02:18| WARNING: 1 swapin MD5 mismatches 2013/07/03 06:20:43| WARNING: 1 swapin MD5 mismatches 2013/07/03 06:26:59| WARNING: 10 swapin MD5 mismatches 1) Any of the above is something to worry about? 2) Does squid resolve the file mismatch eventually as I reach the max size of cache dir? 3) the swapin MD5 mismatches problem. Is it something I can fix? If so, how? Any other information I can post to help detect where the problem is?