[squid-users] problem about squid exhaust all memory

hi,everyone:
I encount a problem , I need help from someone .

  Squid use more and more memory continuously during it's running ,and it will restart when all physical memory is exhausted ,so my squid restart many times a day . It's boring ,how can I solve the prolem ?

every time it restart ,the following information is logged:

FATAL: xcalloc: Unable to allocate 1 blocks of 4104 bytes!

Squid Cache (Version 2.5.STABLE6): Terminated abnormally.
CPU Usage: 61.889 seconds = 33.408 user + 28.481 sys
Maximum Resident Size: 323524 KB
Page faults with physical i/o: 1725
2005/09/27 17:03:57| Not currently OK to rewrite swap log.
2005/09/27 17:03:57| storeDirWriteCleanLogs: Operation aborted.
2005/09/27 17:04:00| Starting Squid Cache version 2.5.STABLE6 for i386-unknown-freebsd5.0...
2005/09/27 17:04:00| Process ID 7561
2005/09/27 17:04:00| With 7232 file descriptors available
2005/09/27 17:04:00| DNS Socket created at 0.0.0.0, port 49428, FD 4
2005/09/27 17:04:00| Adding nameserver 202.99.23.252 from /etc/resolv.conf
2005/09/27 17:04:00| Unlinkd pipe opened on FD 9
2005/09/27 17:04:00| Swap maxSize 5120000 KB, estimated 393846 objects
2005/09/27 17:04:00| Target number of buckets: 19692
2005/09/27 17:04:00| Using 32768 Store buckets
2005/09/27 17:04:00| Max Mem size: 262144 KB
2005/09/27 17:04:00| Max Swap size: 5120000 KB
2005/09/27 17:04:00| Store logging disabled
2005/09/27 17:04:00| Rebuilding storage in /cms/squidcache (DIRTY)
2005/09/27 17:04:00| Using Least Load store dir selection
2005/09/27 17:04:00| chdir: /usr/local/squid/var/cache: (2) No such file or directory
2005/09/27 17:04:00| Current Directory is /cms/squidcache
2005/09/27 17:04:00| Loaded Icons.
2005/09/27 17:04:00| Accepting HTTP connections at 0.0.0.0, port 80, FD 8.
2005/09/27 17:04:00| Accepting ICP messages at 0.0.0.0, port 3130, FD 10.
2005/09/27 17:04:00| WCCP Disabled.
2005/09/27 17:04:00| Ready to serve requests.
2005/09/27 17:04:02| comm_accept: FD 8: (53) Software caused connection abort
2005/09/27 17:04:02| httpAccept: FD 8: accept failure: (53) Software caused connection abort
2005/09/27 17:04:02| comm_accept: FD 8: (53) Software caused connection abort
2005/09/27 17:04:02| httpAccept: FD 8: accept failure: (53) Software caused connection abort
2005/09/27 17:04:04| comm_accept: FD 8: (53) Software caused connection abort
2005/09/27 17:04:04| httpAccept: FD 8: accept failure: (53) Software caused connection abort
2005/09/27 17:04:04| comm_accept: FD 8: (53) Software caused connection abort
2005/09/27 17:04:04| httpAccept: FD 8: accept failure: (53) Software caused connection abort
2005/09/27 17:04:04| comm_accept: FD 8: (53) Software caused connection abort
2005/09/27 17:04:04| httpAccept: FD 8: accept failure: (53) Software caused connection abort
2005/09/27 17:04:04| comm_accept: FD 8: (53) Software caused connection abort
2005/09/27 17:04:04| httpAccept: FD 8: accept failure: (53) Software caused connection abort
2005/09/27 17:04:07| comm_accept: FD 8: (53) Software caused connection abort
2005/09/27 17:04:07| httpAccept: FD 8: accept failure: (53) Software caused connection abort
Received on Tue Sep 27 2005 - 03:18:35 MDT