Hi guys, could someone help me indentify this problem, i use squid2.6-stable20, and suddenly my Hot Objetcs in Mem Cache decreases , it was storing 160k objetcs, and suddenly it decreases for 50k objetcs, I get theses info at mgr: Memory usage for squid via mallinfo(): Total space in arena: -1190304 KB Ordinary blocks: -1382006 KB 674308 blks Small blocks: 0 KB 0 blks Holding blocks: 13932 KB 5 blks Free Small blocks: 0 KB Free Ordinary blocks: 191701 KB Total in use: -1368074 KB 116% Total free: 191701 KB -15% Total size: -1176372 KB And i get theses msgs at log: 2009/05/19 20:46:30| squidaio_queue_request: WARNING - Disk I/O overloading 2009/05/19 20:54:19| squidaio_queue_request: WARNING - Disk I/O overloading 2009/05/19 20:54:19| squidaio_queue_request: Queue Length: current=448, high=468, low=321, duration=20 2009/05/19 20:54:19| ctx: exit level 0 What could I do ? Is it a bug? Thanks any help