ty kirk wrote: > > Hello all. > We've been having problems with our squid proxy recently and I've been > wondering how we can debug it. We're running version > squid-2.4.STABLE6-6.7.3 on red hat 7.2 and it goes down every 3 days or so. > > When it goes down, the service/process still is up, but no pages can be > served. Any ideas of why this is happening and/or how to debug it? Here is > what I see in the logs when it goes down. Looks like there is a dns issue, > but dns is up and running fine when this happens.
There seems to be some degradation in 'DNS functionality' indeed. Check your DNS configuration ? Are you using internal or external DNS ? Check cachmgr -> DNS stats to possibly get extra stat's/problem info concerning DNS. M. > > Any help would be much, much appreciated. > > Thanks. > > 2003/01/16 10:29:30| Starting Squid Cache version 2.4.STABLE6 for > i386-redhat-linux-gnu... > 2003/01/16 10:29:30| Process ID 7924 > 2003/01/16 10:29:30| With 1024 file descriptors available > 2003/01/16 10:29:30| DNS Socket created on FD 4 > 2003/01/16 10:29:30| Adding nameserver 205.171.3.65 from /etc/resolv.conf > 2003/01/16 10:29:30| Unlinkd pipe opened on FD 9 > 2003/01/16 10:29:30| Swap maxSize 102400 KB, estimated 7876 objects > 2003/01/16 10:29:30| Target number of buckets: 393 > 2003/01/16 10:29:30| Using 8192 Store buckets > 2003/01/16 10:29:30| Max Mem size: 8192 KB > 2003/01/16 10:29:30| Max Swap size: 102400 KB > 2003/01/16 10:29:30| Rebuilding storage in /var/spool/squid (CLEAN) > 2003/01/16 10:29:30| Using Least Load store dir selection > 2003/01/16 10:29:30| Set Current Directory to /var/spool/squid > 2003/01/16 10:29:30| Loaded Icons. > 2003/01/16 10:29:30| Accepting HTTP connections at 0.0.0.0, port 80, FD 11. > 2003/01/16 10:29:30| Accepting ICP messages at 0.0.0.0, port 3130, FD 12. > 2003/01/16 10:29:30| WCCP Disabled. > 2003/01/16 10:29:30| Ready to serve requests. > 2003/01/16 10:29:30| Store rebuilding is 40.9% complete > 2003/01/16 10:29:30| Done reading /var/spool/squid swaplog (10026 entries) > 2003/01/16 10:29:30| Finished rebuilding storage from disk. > 2003/01/16 10:29:30| 10026 Entries scanned > 2003/01/16 10:29:30| 0 Invalid entries. > 2003/01/16 10:29:30| 0 With invalid flags. > 2003/01/16 10:29:30| 10026 Objects loaded. > 2003/01/16 10:29:30| 0 Objects expired. > 2003/01/16 10:29:30| 0 Objects cancelled. > 2003/01/16 10:29:30| 0 Duplicate URLs purged. > 2003/01/16 10:29:30| 0 Swapfile clashes avoided. > 2003/01/16 10:29:30| Took 0.5 seconds (19269.1 objects/sec). > 2003/01/16 10:29:30| Beginning Validation Procedure > 2003/01/16 10:29:30| Completed Validation Procedure > 2003/01/16 10:29:30| Validated 10026 Entries > 2003/01/16 10:29:30| store_swap_size = 89173k > 2003/01/16 10:29:31| storeLateRelease: released 0 objects > 2003/01/17 11:12:43| idnsCheckQueue: ID fd: giving up after 60 tries and > 303.4 seconds > 2003/01/22 16:42:09| sslReadServer: FD 37: read failure: (104) Connection > reset by peer > 2003/01/23 14:24:36| idnsCheckQueue: ID 1527: giving up after 60 tries and > 303.4 seconds > 2003/01/23 14:24:36| idnsCheckQueue: ID 1528: giving up after 60 tries and > 303.4 seconds > 2003/01/23 14:27:56| idnsCheckQueue: ID 1529: giving up after 60 tries and > 303.4 seconds > 2003/01/23 14:27:56| idnsCheckQueue: ID 152a: giving up after 60 tries and > 303.4 seconds > 2003/01/23 14:27:57| idnsCheckQueue: ID 152b: giving up after 60 tries and > 304.2 seconds > 2003/01/23 14:27:57| idnsCheckQueue: ID 152c: giving up after 60 tries and > 304.2 seconds > 2003/01/23 14:27:57| idnsCheckQueue: ID 152d: giving up after 60 tries and > 304.1 seconds > 2003/01/23 14:27:57| idnsCheckQueue: ID 152e: giving up after 60 tries and > 304.1 seconds > 2003/01/23 14:28:23| idnsCheckQueue: ID 152f: giving up after 60 tries and > 304.1 seconds > 2003/01/23 14:28:23| idnsCheckQueue: ID 1530: giving up after 60 tries and > 304.1 seconds > 2003/01/23 14:28:24| idnsCheckQueue: ID 1531: giving up after 60 tries and > 304.2 seconds > 2003/01/23 14:28:24| idnsCheckQueue: ID 1532: giving up after 60 tries and > 304.2 seconds > 2003/01/23 14:28:24| idnsCheckQueue: ID 1533: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:28:24| idnsCheckQueue: ID 1534: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:28:24| idnsCheckQueue: ID 1535: giving up after 60 tries and > 303.8 seconds > 2003/01/23 14:28:24| idnsCheckQueue: ID 1536: giving up after 60 tries and > 303.8 seconds > 2003/01/23 14:28:54| idnsCheckQueue: ID 1537: giving up after 60 tries and > 303.4 seconds > 2003/01/23 14:28:54| idnsCheckQueue: ID 1538: giving up after 60 tries and > 303.4 seconds > 2003/01/23 14:29:40| idnsCheckQueue: ID 1539: giving up after 60 tries and > 304.4 seconds > 2003/01/23 14:29:40| idnsCheckQueue: ID 153a: giving up after 60 tries and > 304.4 seconds > 2003/01/23 14:30:28| idnsCheckQueue: ID 153b: giving up after 60 tries and > 303.7 seconds > 2003/01/23 14:30:28| idnsCheckQueue: ID 153c: giving up after 60 tries and > 303.7 seconds > 2003/01/23 14:30:29| idnsCheckQueue: ID 153d: giving up after 60 tries and > 304.2 seconds > 2003/01/23 14:30:29| idnsCheckQueue: ID 153e: giving up after 60 tries and > 304.2 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 153f: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 1540: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 1541: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 1542: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 1543: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 1544: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 1545: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 1546: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 1547: giving up after 60 tries and > 303.7 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 1548: giving up after 60 tries and > 303.7 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 1549: giving up after 60 tries and > 303.7 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 154a: giving up after 60 tries and > 303.7 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 154b: giving up after 60 tries and > 303.6 seconds > 2003/01/23 14:30:56| idnsCheckQueue: ID 154c: giving up after 60 tries and > 303.6 seconds > 2003/01/23 14:30:57| idnsCheckQueue: ID 154d: giving up after 60 tries and > 304.4 seconds > 2003/01/23 14:30:57| idnsCheckQueue: ID 154e: giving up after 60 tries and > 304.4 seconds > 2003/01/23 14:30:57| idnsCheckQueue: ID 154f: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:30:57| idnsCheckQueue: ID 1550: giving up after 60 tries and > 303.9 seconds > 2003/01/23 14:31:02| idnsCheckQueue: ID 1551: giving up after 60 tries and > 303.8 seconds > 2003/01/23 14:31:02| idnsCheckQueue: ID 1552: giving up after 60 tries and > 303.8 seconds > 2003/01/23 14:34:44| idnsCheckQueue: ID 1553: giving up after 60 tries and > 303.4 seconds > 2003/01/23 14:34:44| idnsCheckQueue: ID 1554: giving up after 60 tries and > 303.4 seconds > 2003/01/23 14:35:13| idnsCheckQueue: ID 1555: giving up after 60 tries and > 303.8 seconds > 2003/01/23 14:35:38| idnsCheckQueue: ID 1556: giving up after 60 tries and > 304.3 seconds > 2003/01/23 14:35:38| idnsCheckQueue: ID 1557: giving up after 60 tries and > 304.3 seconds > 2003/01/23 14:35:47| Preparing for shutdown after 21638 requests > 2003/01/23 14:35:47| Waiting 30 seconds for active connections to finish > 2003/01/23 14:35:47| FD 11 Closing HTTP connection > 2003/01/23 14:35:52| idnsSendQuery: Can't send query, no DNS socket! > 2003/01/23 14:36:18| Shutting down... > 2003/01/23 14:36:18| FD 12 Closing ICP connection > 2003/01/23 14:36:18| WARNING: Closing client 192.168.104.140 connection due > to lifetime timeout > 2003/01/23 14:36:18| http://www.yahoo.com/ > 2003/01/23 14:36:18| WARNING: Closing client 192.168.104.153 connection due > to lifetime timeout > 2003/01/23 14:36:18| http://www.yahoo.com/ > 2003/01/23 14:36:18| WARNING: Closing client 192.168.104.140 connection due > to lifetime timeout > 2003/01/23 14:36:18| Closing unlinkd pipe on FD 9 > 2003/01/23 14:36:18| storeDirWriteCleanLogs: Starting... > 2003/01/23 14:36:18| Finished. Wrote 7865 entries. > 2003/01/23 14:36:18| Took 0.0 seconds (642617.9 entries/sec). > CPU Usage: 543.234 seconds = 137.256 user + 405.979 sys > Maximum Resident Size: 0 KB > Page faults with physical i/o: 369 > Memory usage for squid via mallinfo(): > total space in arena: 17633 KB > Ordinary blocks: 15138 KB 1611 blks > Small blocks: 0 KB 0 blks > Holding blocks: 176 KB 1 blks > Free Small blocks: 0 KB > Free Ordinary blocks: 2495 KB > Total in use: 15314 KB 87% > Total free: 2495 KB 14% > 2003/01/23 14:36:18| Squid Cache (Version 2.4.STABLE6): Exiting normally. - > this is me shutting down and then restarting > > _________________________________________________________________ > Help STOP SPAM with the new MSN 8 and get 2 months FREE* > http://join.msn.com/?page=features/junkmail -- 'Time is a consequence of Matter thus General Relativity is a direct consequence of QM (M.E. Mar 2002)
