I'm observing very high Squid CPU load, which negatively affects performance. Enabling debug_options ALL,9 for a few seconds shows this extremely frequent loop -- Squid is doing only this millions of times: 2010/01/07 12:29:23| storeDiskdDirRebuildFromSwapLog: SWAP_LOG_ADD 11627CB9B6##########243670258F67 0015##1B 2010/01/07 12:29:23| storeGet: looking up 11627CB9B6##########243670258F67 2010/01/07 12:29:23| storeDiskdAddDiskRestore: 11627CB9B6##########243670258F67, fileno=0015##1B 2010/01/07 12:29:23| new_StoreEntry: returning 0x8ac##00 2010/01/07 12:29:23| storeHashInsert: Inserting Entry 0x8ac##00 key '11627CB9B6##########243670258F67' 2010/01/07 12:29:23| storeDiskdDirReplAdd: added node 0x8ac##00 to dir 0 2010/01/07 12:29:23| storeDirSwapLog: SWAP_LOG_ADD 11627CB9B6##########243670258F67 0 0015##1B 2010/01/07 12:29:23| diskHandleWrite: FD 8 2010/01/07 12:29:23| diskHandleWrite: FD 8 writing 193 bytes 2010/01/07 12:29:23| diskHandleWrite: FD 8 len = 193 Any idea what might cause this?