Didn't have time to try -C parameter, But the strace did work, What it showed was, that the main process started the child process that squid couldn't find in the squid.pid, shutting down the process. I could not trace this process because it was just created milli seconds before squid died. Go figure. So why does squid consider the cache to be dirty? > I'd be interested in seeing your squid.conf file. > I too, expect your cache is dirty. Again, attaching an strace session to > squid might illustrate exactly why it's dying. > Also, how does the "-C" parameter affect squid? > Tim Rainier > Information Services, Kalsec, INC > trainier@xxxxxxxxxx > "John R. Van Lanen, Network Operations - TCCSA" <VANLANEN@xxxxxxxxx> > 08/29/2005 04:18 PM > To > lokesh.khanna@xxxxxxxxxxxxxxxxx > cc > VANLANEN@xxxxxxxxx, trainier@xxxxxxxxxx, squid-users@xxxxxxxxxxxxxxx > Subject > RE: dead squid, Still looking, > Done that too. Allowed squid -z to rebuild and it will still die with in > hours. > Removed deleted all cache files and directories. > I'll do that too and see what happens. > > Why it dies while rebuilding storage. > > Your cache is also looking dirty. > > Can you delete all file and start caching again? > > -----Original Message----- > > From: John R. Van Lanen, Network Operations - TCCSA > > [mailto:VANLANEN@xxxxxxxxx] > > Sent: Monday, August 29, 2005 8:29 PM > > To: trainier@xxxxxxxxxx > > Cc: squid-users@xxxxxxxxxxxxxxx; VANLANEN@xxxxxxxxx > > Subject: Re: dead squid, Still looking, > > If I do this, its a matter of hours and the same occurs again. What > > triggers > > the process that squid feels it needs to start again and add a new > > process, why > > did the old process die to begin with? In other words, what triggers > > the need > > to do this over and over again. When doing a squid status I only ever > > see 2 > > processes. > > Here is the last 1/8 of the File, > > > > 2005/08/19 17:28:21| Starting Squid Cache version 2.5.STABLE3 for > > > > i386-redhat-linux-gnu... > > > > 2005/08/19 17:28:21| Process ID 5486 > > > > 2005/08/19 17:28:21| With 1024 file descriptors available > > > > 2005/08/19 17:28:21| DNS Socket created at 0.0.0.0, port 32785, FD 4 > > > > 2005/08/19 17:28:21| Adding nameserver 10.1.1.101 from > > /etc/resolv.conf > > > > 2005/08/19 17:28:21| helperOpenServers: Starting 10 'ifp_redirector' > > > > processes > > > > 2005/08/19 17:28:21| User-Agent logging is disabled. > > > > 2005/08/19 17:28:21| Referer logging is disabled. > > > > 2005/08/19 17:28:21| Unlinkd pipe opened on FD 19 > > > > 2005/08/19 17:28:21| Swap maxSize 2048000 KB, estimated 157538 > > objects > > > > 2005/08/19 17:28:21| Target number of buckets: 7876 > > > > 2005/08/19 17:28:21| Using 8192 Store buckets > > > > 2005/08/19 17:28:21| Max Mem size: 8192 KB > > > > 2005/08/19 17:28:21| Max Swap size: 2048000 KB > > > > 2005/08/19 17:28:21| Rebuilding storage in /usr/squid (DIRTY) > > > > 2005/08/19 17:28:21| Using Least Load store dir selection > > > > 2005/08/19 17:28:21| chdir: /var/spool/squid: (2) No such file or > > > > directory > > > > 2005/08/19 17:28:21| Current Directory is /root > > > > 2005/08/19 17:28:21| Loaded Icons. > > > > 2005/08/19 17:28:22| Accepting HTTP connections at 0.0.0.0, port > > 7034, > > > > FD 21. > > > > 2005/08/19 17:28:22| Accepting ICP messages at 0.0.0.0, port 3130, > > FD 22. > > > > 2005/08/19 17:28:22| WCCP Disabled. > > > > 2005/08/19 17:28:22| Ready to serve requests. > > > > 2005/08/19 17:28:22| Store rebuilding is 3.5% complete > > > > 2005/08/19 17:28:25| Starting Squid Cache version 2.5.STABLE3 for > > > > i386-redhat-linux-gnu... > > > > 2005/08/19 17:28:25| Process ID 5511 > > > > 2005/08/19 17:28:25| With 1024 file descriptors available > > > > 2005/08/19 17:28:25| DNS Socket created at 0.0.0.0, port 32785, FD 4 > > > > 2005/08/19 17:28:25| Adding nameserver 10.1.1.101 from > > /etc/resolv.conf > > > > 2005/08/19 17:28:25| helperOpenServers: Starting 10 'ifp_redirector' > > > > processes > > > > 2005/08/19 17:28:25| User-Agent logging is disabled. > > > > 2005/08/19 17:28:25| Referer logging is disabled. > > > > 2005/08/19 17:28:25| Unlinkd pipe opened on FD 19 > > > > 2005/08/19 17:28:25| Swap maxSize 2048000 KB, estimated 157538 > > objects > > > > 2005/08/19 17:28:25| Target number of buckets: 7876 > > > > 2005/08/19 17:28:25| Using 8192 Store buckets > > > > 2005/08/19 17:28:25| Max Mem size: 8192 KB > > > > 2005/08/19 17:28:25| Max Swap size: 2048000 KB > > > > 2005/08/19 17:28:25| Rebuilding storage in /usr/squid (DIRTY) > > > > 2005/08/19 17:28:25| Using Least Load store dir selection > > > > 2005/08/19 17:28:25| chdir: /var/spool/squid: (2) No such file or > > > > directory > > > > 2005/08/19 17:28:25| Current Directory is /root > > > > 2005/08/19 17:28:25| Loaded Icons. > > > > 2005/08/19 17:28:25| Accepting HTTP connections at 0.0.0.0, port > > 7034, > > > > FD 21. > > > > 2005/08/19 17:28:25| Accepting ICP messages at 0.0.0.0, port 3130, > > FD 22. > > > > 2005/08/19 17:28:25| WCCP Disabled. > > > > 2005/08/19 17:28:25| Ready to serve requests. > > > > 2005/08/19 17:28:26| Store rebuilding is 3.5% complete > > > > 2005/08/19 17:28:29| Starting Squid Cache version 2.5.STABLE3 for > > > > i386-redhat-linux-gnu... > > > > 2005/08/19 17:28:29| Process ID 5530 > > > > 2005/08/19 17:28:29| With 1024 file descriptors available > > > > 2005/08/19 17:28:29| DNS Socket created at 0.0.0.0, port 32785, FD 4 > > > > 2005/08/19 17:28:29| Adding nameserver 10.1.1.101 from > > /etc/resolv.conf > > > > 2005/08/19 17:28:29| helperOpenServers: Starting 10 'ifp_redirector' > > > > processes > > > > 2005/08/19 17:28:29| User-Agent logging is disabled. > > > > 2005/08/19 17:28:29| Referer logging is disabled. > > > > 2005/08/19 17:28:29| Unlinkd pipe opened on FD 19 > > > > 2005/08/19 17:28:29| Swap maxSize 2048000 KB, estimated 157538 > > objects > > > > 2005/08/19 17:28:29| Target number of buckets: 7876 > > > > 2005/08/19 17:28:29| Using 8192 Store buckets > > > > 2005/08/19 17:28:29| Max Mem size: 8192 KB > > > > 2005/08/19 17:28:29| Max Swap size: 2048000 KB > > > > 2005/08/19 17:28:29| Rebuilding storage in /usr/squid (DIRTY) > > > > 2005/08/19 17:28:29| Using Least Load store dir selection > > > > 2005/08/19 17:28:29| chdir: /var/spool/squid: (2) No such file or > > > > directory > > > > 2005/08/19 17:28:29| Current Directory is /root > > > > 2005/08/19 17:28:29| Loaded Icons. > > > > 2005/08/19 17:28:30| Accepting HTTP connections at 0.0.0.0, port > > 7034, > > > > FD 21. > > > > 2005/08/19 17:28:30| Accepting ICP messages at 0.0.0.0, port 3130, > > FD 22. > > > > 2005/08/19 17:28:30| WCCP Disabled. > > > > 2005/08/19 17:28:30| Ready to serve requests. > > > > 2005/08/19 17:28:30| Store rebuilding is 3.5% complete > > > Squid died sometime after this entry. > > > System Reboot here. Squid active again. > > > > 2005/08/22 09:11:23| Starting Squid Cache version 2.5.STABLE3 for > > > > i386-redhat-linux-gnu... > > > > 2005/08/22 09:11:23| Process ID 2742 > > > > 2005/08/22 09:11:23| With 1024 file descriptors available > > > > 2005/08/22 09:11:23| DNS Socket created at 0.0.0.0, port 32770, FD 4 > > > > 2005/08/22 09:11:23| Adding nameserver 10.1.1.101 from > > /etc/resolv.conf > > > > 2005/08/22 09:11:23| helperOpenServers: Starting 10 'ifp_redirector' > > > > processes > > > > 2005/08/22 09:11:24| User-Agent logging is disabled. > > > > 2005/08/22 09:11:24| Referer logging is disabled. > > > > 2005/08/22 09:11:24| Unlinkd pipe opened on FD 19 > > > > 2005/08/22 09:11:24| Swap maxSize 2048000 KB, estimated 157538 > > objects > > > > 2005/08/22 09:11:24| Target number of buckets: 7876 > > > > 2005/08/22 09:11:24| Using 8192 Store buckets > > > > 2005/08/22 09:11:24| Max Mem size: 8192 KB > > > > 2005/08/22 09:11:24| Max Swap size: 2048000 KB > > > > 2005/08/22 09:11:24| Rebuilding storage in /usr/squid (DIRTY) > > > > 2005/08/22 09:11:24| Using Least Load store dir selection > > > > 2005/08/22 09:11:24| Set Current Directory to /usr/squid > > > > 2005/08/22 09:11:24| Loaded Icons. > > > > 2005/08/22 09:11:25| Accepting HTTP connections at 0.0.0.0, port > > 7034, > > > > FD 21. > > > > 2005/08/22 09:11:25| Accepting ICP messages at 0.0.0.0, port 3130, > > FD 22. > > > > 2005/08/22 09:11:25| WCCP Disabled. > > > > 2005/08/22 09:11:25| Ready to serve requests. > > > > 2005/08/22 09:11:25| Store rebuilding is 3.5% complete > > > > 2005/08/22 09:11:27| Done reading /usr/squid swaplog (116757 > > entries) > > > > 2005/08/22 09:11:27| Finished rebuilding storage from disk. > > > > 2005/08/22 09:11:27| 116108 Entries scanned > > > > 2005/08/22 09:11:27| 0 Invalid entries. > > > > 2005/08/22 09:11:27| 0 With invalid flags. > > > > 2005/08/22 09:11:27| 116108 Objects loaded. > > > > 2005/08/22 09:11:27| 0 Objects expired. > > > > 2005/08/22 09:11:27| 0 Objects cancelled. > > > > 2005/08/22 09:11:27| 649 Duplicate URLs purged. > > > > 2005/08/22 09:11:27| 0 Swapfile clashes avoided. > > > > 2005/08/22 09:11:27| Took 3.0 seconds (39024.9 objects/sec). > > > > 2005/08/22 09:11:27| Beginning Validation Procedure > > > > 2005/08/22 09:11:27| Completed Validation Procedure > > > > 2005/08/22 09:11:27| Validated 115459 Entries > > > > 2005/08/22 09:11:27| store_swap_size = 1548892k > > > > 2005/08/22 09:11:27| storeLateRelease: released 0 objects > > > > 2005/08/22 11:31:10| urlParse: Illegal character in hostname > > > > 'c12_zimmerman' > > > > 2005/08/22 11:35:00| urlParse: Illegal character in hostname > > > > 'c12_zimmerman' > > ________________________________________________________________________ > > ______ > > Press return for more... > > EMAIL> > > > Yes: > > > -F Don't serve any requests until store is rebuilt. > > > My guess is that squid is trying to rebuild the store, but is too busy > > > servicing requests. > > > If that doesn't work, you can manually clear the cache, the store file > > and > > > have squid rebuild the cache hierarchy (squid -z). > > > Tim Rainier > > > Information Services, Kalsec, INC > > > "John R. Van Lanen, Network Operations - TCCSA" <VANLANEN@xxxxxxxxx> > > > 08/29/2005 12:12 PM > > > To > > > squid-users@xxxxxxxxxxxxxxx > > > cc > > > VANLANEN@xxxxxxxxx > > > Subject > > > dead squid, Still looking, > > > Me again, sorry, > > > my squid dies, when it does the cache.log most always shows the same > > last > > > entry > > > of > > > Store rebuilding is 4.4% (or some other number) complete > > > Then nothing, The Squid status shows > > > squid dead but pid file exists, > > > Does anyone know in ES 3 if there is a problem with processes just > > > disappearing? > > > I've Tryed increasing Cache_mem from 8 to 768 > > > disabled store.log > > > Increase ifp_redirector processes from 10 to 30. > > > Any other settings anyone could think of? > > > Orginally posted; > > > I'm running Redhat ES 3.0, > > > Running Squid Stable 2.5 ver 3 that comes with the Redhat ES 3.0 > > > The issue I have is that squid will stop dead, > > > Do a squid status and it shows > > > squid dead but pid file exists > > > squid: ERROR Could not send signal 0 to process 5530: (3) No such > > process, > > > Have seen this before, restart squid or rebooting solves the issue for > > > awhile, > > > the 5530 number changes. > > > Cache.log shows nothing but normal stuff. > > > Searching the net shows others with the same issues but can't find a > > > solution. > > > Let me know if you can help. Thanks.
