From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id BD56813888F for ; Wed, 7 Oct 2015 15:55:23 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 3317221C007; Wed, 7 Oct 2015 15:55:13 +0000 (UTC) Received: from mail-qg0-f43.google.com (mail-qg0-f43.google.com [209.85.192.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 0B5A2E081D for ; Wed, 7 Oct 2015 15:55:11 +0000 (UTC) Received: by qgt47 with SMTP id 47so18795937qgt.2 for ; Wed, 07 Oct 2015 08:55:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=9VHN0+g4qAot+iyGJFLpFL1vJZ/49FMTgytwI+rz8DQ=; b=lgCFc2Nvnd8DmCTYAz9EVNR8kY7RqetbP7yLA0jP3YBytVBFGNAwJZBaDERRlj14vE kd+36Dn09eXLTVYxnh5Feg/wMCrtUN/2U7UkpoHQvzxaqu0dDuAvC3XHTB1TGGxm1K06 RIH89j9BSVghW6wTeK2nyUYj4eyto5LbbyeS8aTENjbIIyRs2pB0gSURpRq4zXt21Sgl +Y54ywX6Ig35V0aLbWWCzvMUduGsgTquDo9PE0NRjb6Nj4I2fs502v+OhNO/iYnYgmef 5AyrbGhL4KGviL73qUd7BphAneeaktVFzlEMh5Z+ms+PfivKMAqimPQ4OcgFWDGih670 KlBQ== Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 X-Received: by 10.141.23.9 with SMTP id z9mr2520506qhd.24.1444233310895; Wed, 07 Oct 2015 08:55:10 -0700 (PDT) Received: by 10.140.100.241 with HTTP; Wed, 7 Oct 2015 08:55:10 -0700 (PDT) In-Reply-To: <56152AAD.5030003@gmail.com> References: <5613003F.5020303@iinet.net.au> <5613073B.5090600@gmail.com> <56152AAD.5030003@gmail.com> Date: Wed, 7 Oct 2015 08:55:10 -0700 Message-ID: Subject: Re: [gentoo-user] strange TCP timeout errors From: Grant To: Gentoo mailing list Content-Type: text/plain; charset=UTF-8 X-Archives-Salt: 3bdb5a1d-88e4-49fa-baab-cb9fc8df45bf X-Archives-Hash: c172f6e31f2be389278421716dcc1096 >>>>> I've attached a PNG from Munin showing the TCP timeout errors on my >>>>> Gentoo server over the past month. The data is expressed in timeouts >>>>> per second and that rate is shown to be steadily increasing over the >>>>> past month. That seems strange to me. Munin doesn't show any other >>>>> data point increasing like this over the time period. Any ideas? >>>>> >>>>> - Grant >>>>> >>>> >>>> weird - does it reset on an interface restart or reboot? >>> >>> this would be my test #1 >> >> >> I rebooted and the rate of errors has dropped off to almost nothing. >> >> >>>> Can you verify its not an artefact within munin (how?) >>> >>> In theory, a misconfigured graph can do this. Munin can draw many >>> different types of graph, including cumulative values. Even for a data >>> type like this which is X events per unit time, if you tell munin to add >>> them all up, it will do so and graph it. >>> >>> Qucik test is to look at the graph config. >> >> >> This graph lives in the "network" section of the munin web interface. >> There is no matching section in /etc/munin/plugin-conf.d/munin-node so >> it should be be using the default config. >> >> Any ideas based on this new info? > > A few :-) > > > I can't find the plugin that delivers that graph though. Maybe I just > don't have it, maybe it comes from contrib/ > > What's your USE for munin? USE="apache cgi http mysql ssl syslog -asterisk -dhcpd -doc -ipmi -ipv6 -irc -java -memcached -minimal -postgres (-selinux) {-test}" > What do you have in "ls -al /etc/munin/plugins/" ? # ls -al /etc/munin/plugins/ total 8 drwxr-xr-x 2 munin munin 4096 Aug 26 13:22 . drwxr-xr-x 7 root root 4096 Aug 27 08:42 .. -rw-r--r-- 1 root root 0 Aug 23 18:10 .keep_net-analyzer_munin-0 lrwxrwxrwx 1 root root 42 Jun 16 2013 apache_accesses -> /usr/libexec/munin/plugins/apache_accesses lrwxrwxrwx 1 root root 43 Jun 16 2013 apache_processes -> /usr/libexec/munin/plugins/apache_processes lrwxrwxrwx 1 root root 40 Jun 16 2013 apache_volume -> /usr/libexec/munin/plugins/apache_volume lrwxrwxrwx 1 root root 30 Jun 16 2013 cpu -> /usr/libexec/munin/plugins/cpu lrwxrwxrwx 1 root root 29 Jun 16 2013 df -> /usr/libexec/munin/plugins/df lrwxrwxrwx 1 root root 35 Jun 16 2013 df_inode -> /usr/libexec/munin/plugins/df_inode lrwxrwxrwx 1 root root 36 Jun 21 2013 diskstat_ -> /usr/libexec/munin/plugins/diskstat_ lrwxrwxrwx 1 root root 36 Jun 16 2013 diskstats -> /usr/libexec/munin/plugins/diskstats lrwxrwxrwx 1 root root 34 Jun 16 2013 entropy -> /usr/libexec/munin/plugins/entropy lrwxrwxrwx 1 root root 32 Jun 16 2013 forks -> /usr/libexec/munin/plugins/forks lrwxrwxrwx 1 root root 34 Jun 18 2013 hddtemp -> /usr/libexec/munin/plugins/hddtemp lrwxrwxrwx 1 root root 35 Jun 18 2013 hddtemp2 -> /usr/libexec/munin/plugins/hddtemp2 lrwxrwxrwx 1 root root 43 Jun 18 2013 hddtemp_smartctl -> /usr/libexec/munin/plugins/hddtemp_smartctl lrwxrwxrwx 1 root root 35 Jun 18 2013 hddtempd -> /usr/libexec/munin/plugins/hddtempd lrwxrwxrwx 1 root root 30 Jun 21 2013 if_enp2s2f0 -> /usr/libexec/munin/plugins/if_ lrwxrwxrwx 1 root root 34 Jun 21 2013 if_err_enp2s2f0 -> /usr/libexec/munin/plugins/if_err_ lrwxrwxrwx 1 root root 37 Jun 16 2013 interrupts -> /usr/libexec/munin/plugins/interrupts lrwxrwxrwx 1 root root 35 Jun 16 2013 irqstats -> /usr/libexec/munin/plugins/irqstats lrwxrwxrwx 1 root root 31 Jun 16 2013 load -> /usr/libexec/munin/plugins/load lrwxrwxrwx 1 root root 33 Jun 16 2013 lpstat -> /usr/libexec/munin/plugins/lpstat lrwxrwxrwx 1 root root 34 Jun 18 2013 meminfo -> /usr/libexec/munin/plugins/meminfo lrwxrwxrwx 1 root root 33 Jun 16 2013 memory -> /usr/libexec/munin/plugins/memory lrwxrwxrwx 1 root root 38 Jun 16 2013 munin_stats -> /usr/libexec/munin/plugins/munin_stats lrwxrwxrwx 1 root root 39 Jun 18 2013 munin_update -> /usr/libexec/munin/plugins/munin_update lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_bin_relay_log -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_commands -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_connections -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_files_tables -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_bpool -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_bpool_act -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_insert_buf -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_io -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_io_pend -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_log -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_rows -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_semaphores -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_tnx -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_myisam_indexes -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_network_traffic -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_qcache -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_qcache_mem -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_replication -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_select_types -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_slow -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_sorts -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_table_locks -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_tmp_tables -> /usr/libexec/munin/plugins/mysql_ lrwxrwxrwx 1 root root 34 Jun 16 2013 netstat -> /usr/libexec/munin/plugins/netstat lrwxrwxrwx 1 root root 40 Jun 18 2013 netstat_multi -> /usr/libexec/munin/plugins/netstat_multi lrwxrwxrwx 1 root root 40 Jun 16 2013 nginx_request -> /usr/libexec/munin/plugins/nginx_request lrwxrwxrwx 1 root root 39 Jun 16 2013 nginx_status -> /usr/libexec/munin/plugins/nginx_status lrwxrwxrwx 1 root root 37 Jun 16 2013 open_files -> /usr/libexec/munin/plugins/open_files lrwxrwxrwx 1 root root 38 Jun 16 2013 open_inodes -> /usr/libexec/munin/plugins/open_inodes lrwxrwxrwx 1 root root 44 Jun 16 2013 postfix_mailqueue -> /usr/libexec/munin/plugins/postfix_mailqueue lrwxrwxrwx 1 root root 44 Jun 16 2013 postfix_mailstats -> /usr/libexec/munin/plugins/postfix_mailstats lrwxrwxrwx 1 root root 45 Jun 16 2013 postfix_mailvolume -> /usr/libexec/munin/plugins/postfix_mailvolume lrwxrwxrwx 1 root root 31 Jun 18 2013 proc -> /usr/libexec/munin/plugins/proc lrwxrwxrwx 1 root root 35 Jun 16 2013 proc_pri -> /usr/libexec/munin/plugins/proc_pri lrwxrwxrwx 1 root root 36 Jun 16 2013 processes -> /usr/libexec/munin/plugins/processes lrwxrwxrwx 1 root root 35 Jun 18 2013 sensors_ -> /usr/libexec/munin/plugins/sensors_ lrwxrwxrwx 1 root root 31 Jun 16 2013 swap -> /usr/libexec/munin/plugins/swap lrwxrwxrwx 1 root root 34 Jun 16 2013 threads -> /usr/libexec/munin/plugins/threads lrwxrwxrwx 1 root root 33 Jun 16 2013 uptime -> /usr/libexec/munin/plugins/uptime lrwxrwxrwx 1 root root 32 Jun 16 2013 users -> /usr/libexec/munin/plugins/users So I don't have a "network" plugin either but I do have a "network" section under Categories in the munin web interface. - Grant P.S. Any other good plugins you'd recommend?