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>>>>> I've attached a PNG from Munin showing the TCP timeout errors on my |
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>>>>> Gentoo server over the past month. The data is expressed in timeouts |
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>>>>> per second and that rate is shown to be steadily increasing over the |
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>>>>> past month. That seems strange to me. Munin doesn't show any other |
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>>>>> data point increasing like this over the time period. Any ideas? |
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>>>>> |
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>>>>> - Grant |
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>>>>> |
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>>>> |
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>>>> weird - does it reset on an interface restart or reboot? |
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>>> |
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>>> this would be my test #1 |
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>> |
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>> |
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>> I rebooted and the rate of errors has dropped off to almost nothing. |
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>> |
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>> |
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>>>> Can you verify its not an artefact within munin (how?) |
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>>> |
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>>> In theory, a misconfigured graph can do this. Munin can draw many |
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>>> different types of graph, including cumulative values. Even for a data |
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>>> type like this which is X events per unit time, if you tell munin to add |
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>>> them all up, it will do so and graph it. |
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>>> |
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>>> Qucik test is to look at the graph config. |
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>> |
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>> |
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>> This graph lives in the "network" section of the munin web interface. |
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>> There is no matching section in /etc/munin/plugin-conf.d/munin-node so |
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>> it should be be using the default config. |
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>> |
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>> Any ideas based on this new info? |
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> |
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> A few :-) |
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> |
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> |
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> I can't find the plugin that delivers that graph though. Maybe I just |
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> don't have it, maybe it comes from contrib/ |
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> |
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> What's your USE for munin? |
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USE="apache cgi http mysql ssl syslog -asterisk -dhcpd -doc -ipmi |
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-ipv6 -irc -java -memcached -minimal -postgres (-selinux) {-test}" |
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> What do you have in "ls -al /etc/munin/plugins/" ? |
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# ls -al /etc/munin/plugins/ |
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total 8 |
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drwxr-xr-x 2 munin munin 4096 Aug 26 13:22 . |
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drwxr-xr-x 7 root root 4096 Aug 27 08:42 .. |
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-rw-r--r-- 1 root root 0 Aug 23 18:10 .keep_net-analyzer_munin-0 |
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lrwxrwxrwx 1 root root 42 Jun 16 2013 apache_accesses -> |
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/usr/libexec/munin/plugins/apache_accesses |
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lrwxrwxrwx 1 root root 43 Jun 16 2013 apache_processes -> |
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/usr/libexec/munin/plugins/apache_processes |
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lrwxrwxrwx 1 root root 40 Jun 16 2013 apache_volume -> |
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/usr/libexec/munin/plugins/apache_volume |
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lrwxrwxrwx 1 root root 30 Jun 16 2013 cpu -> /usr/libexec/munin/plugins/cpu |
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lrwxrwxrwx 1 root root 29 Jun 16 2013 df -> /usr/libexec/munin/plugins/df |
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lrwxrwxrwx 1 root root 35 Jun 16 2013 df_inode -> |
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/usr/libexec/munin/plugins/df_inode |
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lrwxrwxrwx 1 root root 36 Jun 21 2013 diskstat_ -> |
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/usr/libexec/munin/plugins/diskstat_ |
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lrwxrwxrwx 1 root root 36 Jun 16 2013 diskstats -> |
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/usr/libexec/munin/plugins/diskstats |
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lrwxrwxrwx 1 root root 34 Jun 16 2013 entropy -> |
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/usr/libexec/munin/plugins/entropy |
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lrwxrwxrwx 1 root root 32 Jun 16 2013 forks -> |
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/usr/libexec/munin/plugins/forks |
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lrwxrwxrwx 1 root root 34 Jun 18 2013 hddtemp -> |
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/usr/libexec/munin/plugins/hddtemp |
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lrwxrwxrwx 1 root root 35 Jun 18 2013 hddtemp2 -> |
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/usr/libexec/munin/plugins/hddtemp2 |
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lrwxrwxrwx 1 root root 43 Jun 18 2013 hddtemp_smartctl -> |
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/usr/libexec/munin/plugins/hddtemp_smartctl |
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lrwxrwxrwx 1 root root 35 Jun 18 2013 hddtempd -> |
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/usr/libexec/munin/plugins/hddtempd |
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lrwxrwxrwx 1 root root 30 Jun 21 2013 if_enp2s2f0 -> |
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/usr/libexec/munin/plugins/if_ |
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lrwxrwxrwx 1 root root 34 Jun 21 2013 if_err_enp2s2f0 -> |
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/usr/libexec/munin/plugins/if_err_ |
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lrwxrwxrwx 1 root root 37 Jun 16 2013 interrupts -> |
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/usr/libexec/munin/plugins/interrupts |
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lrwxrwxrwx 1 root root 35 Jun 16 2013 irqstats -> |
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/usr/libexec/munin/plugins/irqstats |
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lrwxrwxrwx 1 root root 31 Jun 16 2013 load -> |
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/usr/libexec/munin/plugins/load |
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lrwxrwxrwx 1 root root 33 Jun 16 2013 lpstat -> |
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/usr/libexec/munin/plugins/lpstat |
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lrwxrwxrwx 1 root root 34 Jun 18 2013 meminfo -> |
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/usr/libexec/munin/plugins/meminfo |
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lrwxrwxrwx 1 root root 33 Jun 16 2013 memory -> |
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/usr/libexec/munin/plugins/memory |
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lrwxrwxrwx 1 root root 38 Jun 16 2013 munin_stats -> |
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/usr/libexec/munin/plugins/munin_stats |
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lrwxrwxrwx 1 root root 39 Jun 18 2013 munin_update -> |
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/usr/libexec/munin/plugins/munin_update |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_bin_relay_log -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_commands -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_connections -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_files_tables -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_bpool -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_bpool_act -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_insert_buf -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_io -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_io_pend -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_log -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_rows -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_semaphores -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_innodb_tnx -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_myisam_indexes -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_network_traffic -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_qcache -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_qcache_mem -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_replication -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_select_types -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_slow -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_sorts -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_table_locks -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 33 Jun 21 2013 mysql_tmp_tables -> |
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/usr/libexec/munin/plugins/mysql_ |
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lrwxrwxrwx 1 root root 34 Jun 16 2013 netstat -> |
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/usr/libexec/munin/plugins/netstat |
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lrwxrwxrwx 1 root root 40 Jun 18 2013 netstat_multi -> |
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/usr/libexec/munin/plugins/netstat_multi |
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lrwxrwxrwx 1 root root 40 Jun 16 2013 nginx_request -> |
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/usr/libexec/munin/plugins/nginx_request |
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lrwxrwxrwx 1 root root 39 Jun 16 2013 nginx_status -> |
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/usr/libexec/munin/plugins/nginx_status |
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lrwxrwxrwx 1 root root 37 Jun 16 2013 open_files -> |
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/usr/libexec/munin/plugins/open_files |
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lrwxrwxrwx 1 root root 38 Jun 16 2013 open_inodes -> |
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/usr/libexec/munin/plugins/open_inodes |
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lrwxrwxrwx 1 root root 44 Jun 16 2013 postfix_mailqueue -> |
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/usr/libexec/munin/plugins/postfix_mailqueue |
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lrwxrwxrwx 1 root root 44 Jun 16 2013 postfix_mailstats -> |
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/usr/libexec/munin/plugins/postfix_mailstats |
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lrwxrwxrwx 1 root root 45 Jun 16 2013 postfix_mailvolume -> |
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/usr/libexec/munin/plugins/postfix_mailvolume |
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lrwxrwxrwx 1 root root 31 Jun 18 2013 proc -> |
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/usr/libexec/munin/plugins/proc |
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lrwxrwxrwx 1 root root 35 Jun 16 2013 proc_pri -> |
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/usr/libexec/munin/plugins/proc_pri |
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lrwxrwxrwx 1 root root 36 Jun 16 2013 processes -> |
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/usr/libexec/munin/plugins/processes |
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lrwxrwxrwx 1 root root 35 Jun 18 2013 sensors_ -> |
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/usr/libexec/munin/plugins/sensors_ |
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lrwxrwxrwx 1 root root 31 Jun 16 2013 swap -> |
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/usr/libexec/munin/plugins/swap |
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lrwxrwxrwx 1 root root 34 Jun 16 2013 threads -> |
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/usr/libexec/munin/plugins/threads |
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lrwxrwxrwx 1 root root 33 Jun 16 2013 uptime -> |
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/usr/libexec/munin/plugins/uptime |
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lrwxrwxrwx 1 root root 32 Jun 16 2013 users -> |
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/usr/libexec/munin/plugins/users |
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So I don't have a "network" plugin either but I do have a "network" |
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section under Categories in the munin web interface. |
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|
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- Grant |
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|
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P.S. Any other good plugins you'd recommend? |
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