Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266240AbUFYN0r (ORCPT ); Fri, 25 Jun 2004 09:26:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266335AbUFYN0r (ORCPT ); Fri, 25 Jun 2004 09:26:47 -0400 Received: from [195.124.124.201] ([195.124.124.201]:33028 "EHLO nt-49613145.zdf.de") by vger.kernel.org with ESMTP id S266240AbUFYN0n (ORCPT ); Fri, 25 Jun 2004 09:26:43 -0400 Message-ID: <40DC27EC.5040802@zdf.de> Date: Fri, 25 Jun 2004 15:26:04 +0200 X-Sybari-Trust: fa2e2505 2335e436 9ff3b9e4 00000139 From: Ulrich Brand User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7) Gecko/20040514 X-Accept-Language: de-de, de, en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: Re: kswapd problem X-Enigmail-Version: 0.83.6.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5239 Lines: 108 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 i've just the same prob's whith 2.4.26 smp, build whith p4/smp 64 GB config running on fujitsu siemens dual xeon/3.06 GHz servers with 12 G ram. my "magic tail" is still a grep thrue the filesystem. the system work's well if the memory utilisation is lower then ~ 1 gig ram. if you start th database (oracle 9i), which takes ca. 2 gig ram (about 130 oracle prcesses), the machine feezes for about 5 to 10 minutes !!! the load grows up to 200!! top shows 99,5 % cpu time on kswapd. the machine has 2 GB swap, and uses nothing. is there a problem with highmem ? i've attatched some snipplet's with "top" output. the freeze occures between snipp 2 and 3. please help. Thanks in advance & kind regards, ulrich - --1-- top - 13:13:50 up 4:38, 5 users, load average: 6.48, 5.59, 2.90 Tasks: 290 total, 2 running, 288 sleeping, 0 stopped, 0 zombie Cpu(s): 33.8% user, 16.9% system, 0.0% nice, 49.3% idle Mem: 12230636k total, 7377644k used, 4852992k free, 151156k buffers Swap: 2097136k total, 0k used, 2097136k free, 6375056k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 14453 oracle 16 0 1074m 1.0g 1.0g S 52.3 9.0 1:57.47 oracle 5 root 9 0 0 0 0 S 19.6 0.0 1:34.22 kswapd 14950 oracle 9 0 1071m 1.0g 1.0g S 6.6 9.0 1:55.53 oracle 15377 oracle 9 0 1028m 1.0g 1.0g S 5.3 8.6 3:21.81 oracle - --2-- top - 13:14:01 up 4:38, 5 users, load average: 5.94, 5.51, 2.91 Tasks: 290 total, 8 running, 282 sleeping, 0 stopped, 0 zombie Cpu(s): 7.2% user, 21.6% system, 0.0% nice, 71.2% idle Mem: 12230636k total, 7401996k used, 4828640k free, 152544k buffers Swap: 2097136k total, 0k used, 2097136k free, 6397888k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 5 root 19 0 0 0 0 R 20.9 0.0 1:36.42 kswapd 25064 root 18 0 1008 1008 668 R 7.5 0.0 0:27.06 top 15377 oracle 9 0 1029m 1.0g 1.0g S 4.1 8.6 3:22.24 oracle 17803 oracle 9 0 965m 965m 961m S 3.8 8.1 0:53.31 oracle 25442 root 9 0 708 708 492 D 3.4 0.0 0:00.74 grep 25441 root 9 0 708 708 492 D 2.6 0.0 0:00.60 grep 14946 oracle 9 0 1120m 1.1g 1.1g S 2.1 9.4 1:54.74 oracle 14439 oracle 9 0 996m 993m 990m S 1.6 8.3 0:52.79 oracle 14453 oracle 9 0 1075m 1.0g 1.0g R 0.9 9.0 1:57.57 oracle 25425 oracle 10 0 273m 273m 271m R 0.9 2.3 0:05.02 oracle 14 - --3-- top - 13:14:15 up 4:39, 5 users, load average: 21.55, 8.85, 4.03 Tasks: 290 total, 12 running, 278 sleeping, 0 stopped, 0 zombie Cpu(s): 2.2% user, 96.9% system, 0.0% nice, 1.0% idle Mem: 12230636k total, 7286604k used, 4944032k free, 152580k buffers Swap: 2097136k total, 0k used, 2097136k free, 6281600k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 6888 root 20 0 7872 7868 1160 D 84.8 0.1 0:18.87 oracm 14461 root 10 0 7872 7868 1160 S 52.1 0.1 0:17.65 oracm 6891 root 14 0 7872 7868 1160 S 31.5 0.1 0:13.18 oracm 5 root 15 0 0 0 0 R 9.9 0.0 1:37.86 kswapd 25441 root 9 0 708 708 492 D 4.3 0.0 0:01.23 grep 25064 root 14 0 1008 1008 668 R 4.2 0.0 0:27.68 top 25442 root 9 0 708 708 492 D 4.0 0.0 0:01.32 grep 9514 root 14 0 1740 1740 1508 R 3.9 0.0 0:54.47 xosview.bin 15377 oracle 9 0 1029m 1.0g 1.0g S 1.2 8.6 3:22.42 oracle 14982 oracle 14 0 1141m 1.1g 1.1g R 0.8 9.5 2:32.85 oracle - --4--- top - 13:14:15 up 4:39, 5 users, load average: 21.55, 8.85, 4.03 Tasks: 290 total, 12 running, 278 sleeping, 0 stopped, 0 zombie Cpu(s): 2.2% user, 96.9% system, 0.0% nice, 1.0% idle Mem: 12230636k total, 7286604k used, 4944032k free, 152580k buffers Swap: 2097136k total, 0k used, 2097136k free, 6281600k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 6888 root 20 0 7872 7868 1160 D 84.8 0.1 0:18.87 oracm 14461 root 10 0 7872 7868 1160 S 52.1 0.1 0:17.65 oracm 6891 root 14 0 7872 7868 1160 S 31.5 0.1 0:13.18 oracm 5 root 15 0 0 0 0 R 9.9 0.0 1:37.86 kswapd 25441 root 9 0 708 708 492 D 4.3 0.0 0:01.23 grep 25064 root 14 0 1008 1008 668 R 4.2 0.0 0:27.68 top 25442 root 9 0 708 708 492 D 4.0 0.0 0:01.32 grep 9514 root 14 0 1740 1740 1508 R 3.9 0.0 0:54.47 xosview.bin 15377 oracle 9 0 1029m 1.0g 1.0g S 1.2 8.6 3:22.42 oracle 14982 oracle 14 0 1141m 1.1g 1.1g R 0.8 9.5 2:32.85 oracle -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFA3Cfs06ncFEdJe8URArohAKCGgMQt0awZnJDOhrl0xZ16REaprwCfS+Cb Au9EFXhuKySqCPzmVIJVYX0= =lHV5 -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/