diff options
author | Costa Tsaousis (ktsaou) <costa@tsaousis.gr> | 2015-10-20 18:58:53 +0300 |
---|---|---|
committer | Costa Tsaousis (ktsaou) <costa@tsaousis.gr> | 2015-10-20 18:58:53 +0300 |
commit | fd733ea4cea2ff476ace40ca278edd61e55cb79b (patch) | |
tree | 3d6e30440cdc0bf67a945b3fceb48141e9315824 /charts.d | |
parent | 2af71a661fa0bd677c6fddf6f5170ea266d8b8fb (diff) |
added mysql
Diffstat (limited to 'charts.d')
-rwxr-xr-x | charts.d/mysql.chart.sh | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/charts.d/mysql.chart.sh b/charts.d/mysql.chart.sh new file mode 100755 index 0000000000..75907b043f --- /dev/null +++ b/charts.d/mysql.chart.sh @@ -0,0 +1,153 @@ +#!/bin/sh + +# http://dev.mysql.com/doc/refman/5.0/en/server-status-variables.html + +mysql_cmd_opts="" +mysql_update_every=5 + +mysql_get_stats() { + mysql "${mysql_cmd_opts}" -s -e "show global status;" +} + +mysql_check() { + # check once if the url works + local x="$(mysql_get_stats | grep "^Connections[[:space:]]")" + if [ ! $? -eq 0 -o -z "$x" ] + then + echo >&2 "mysql: cannot get global status. Please set mysql_cmd_opts='options' whatever needed to get connected to mysql server, in $confd/mysql.conf" + return 1 + fi + + return 0 +} + +mysql_create() { + # create the charts + cat <<EOF +CHART mysql.bandwidth '' "mysql Bandwidth" "kilobits / sec" mysql '' area 20001 $mysql_update_every +DIMENSION Bytes_received in incremental 8 $((1024 * mysql_update_every)) +DIMENSION Bytes_sent out incremental -8 $((1024 * mysql_update_every)) + +CHART mysql.queries '' "mysql Queries" "queries / sec" mysql '' line 20002 $mysql_update_every +DIMENSION Queries queries incremental 1 $((1 * mysql_update_every)) +DIMENSION Questions questions incremental 1 $((1 * mysql_update_every)) +DIMENSION Slow_queries slow_queries incremental -1 $((1 * mysql_update_every)) + +CHART mysql.operations '' "mysql Operations" "operations / sec" mysql '' line 20003 $mysql_update_every +DIMENSION Opened_tables opened_table incremental 1 $((1 * mysql_update_every)) +DIMENSION Flush_commands flush incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_commit commit incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_delete delete incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_prepare prepare incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_read_first read_first incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_read_key read_key incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_read_next read_next incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_read_prev read_prev incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_read_rnd read_rnd incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_read_rnd_next read_rnd_next incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_rollback rollback incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_savepoint savepoint incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_savepoint_rollback savepoint_rollback incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_update update incremental 1 $((1 * mysql_update_every)) +DIMENSION Handler_write write incremental 1 $((1 * mysql_update_every)) + +CHART mysql.table_locks '' "mysql Tables Locks" "locks / sec" mysql '' line 20004 $mysql_update_every +DIMENSION Table_locks_immediate immediate incremental 1 $((1 * mysql_update_every)) +DIMENSION Table_locks_waited waited incremental -1 $((1 * mysql_update_every)) + +CHART mysql.select_issues '' "mysql Select Issues" "issues / sec" mysql '' line 20005 $mysql_update_every +DIMENSION Select_full_join full_join incremental 1 $((1 * mysql_update_every)) +DIMENSION Select_full_range_join full_range_join incremental 1 $((1 * mysql_update_every)) +DIMENSION Select_range range incremental 1 $((1 * mysql_update_every)) +DIMENSION Select_range_check range_check incremental 1 $((1 * mysql_update_every)) +DIMENSION Select_scan scan incremental 1 $((1 * mysql_update_every)) + +CHART mysql.sort_issues '' "mysql Sort Issues" "issues / sec" mysql '' line 20006 $mysql_update_every +DIMENSION Sort_merge_passes merge_passes incremental 1 $((1 * mysql_update_every)) +DIMENSION Sort_range range incremental 1 $((1 * mysql_update_every)) +DIMENSION Sort_scan scan incremental 1 $((1 * mysql_update_every)) +EOF + + return 0 +} + + +mysql_update() { + # the first argument to this function is the microseconds since last update + # pass this parameter to the BEGIN statement (see bellow). + + # do all the work to collect / calculate the values + # for each dimension + # remember: KEEP IT SIMPLE AND SHORT + + # 1. get the counters page from mysql + # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local mysql_ + # 3. egrep lines starting with: + # local mysql_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9 + # local mysql_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9 + # 4. then execute this as a script with the eval + # + # be very carefull with eval: + # prepare the script and always grep at the end the lines that are usefull, so that + # even if something goes wrong, no other code can be executed + + eval "$(mysql_get_stats |\ + sed -e "s/[[:space:]]\+/ /g" -e "s/\./_/g" -e "s/^\([a-z0-9_]\+\)[[:space:]]\+\([0-9]\+\)$/local mysql_\1=\2/g" |\ + egrep "^local mysql_[a-zA-Z0-9_]+=[[:digit:]]+$")" + + # write the result of the work. + cat <<VALUESEOF +BEGIN mysql.bandwidth $1 +SET Bytes_received = $mysql_Bytes_received +SET Bytes_sent = $mysql_Bytes_sent +END + +BEGIN mysql.queries $1 +SET Queries = $mysql_Queries +SET Questions = $mysql_Questions +SET Slow_queries = $mysql_Slow_queries +END + +BEGIN mysql.operations $1 +SET Opened_tables = $mysql_Opened_tables +SET Flush_commands = $mysql_Flush_commands +SET Handler_commit = $mysql_Handler_commit +SET Handler_delete = $mysql_Handler_delete +SET Handler_prepare = $mysql_Handler_prepare +SET Handler_read_first = $mysql_Handler_read_first +SET Handler_read_key = $mysql_Handler_read_key +SET Handler_read_next = $mysql_Handler_read_next +SET Handler_read_prev = $mysql_Handler_read_prev +SET Handler_read_rnd = $mysql_Handler_read_rnd +SET Handler_read_rnd_next = $mysql_Handler_read_rnd_next +SET Handler_rollback = $mysql_Handler_rollback +SET Handler_savepoint = $mysql_Handler_savepoint +SET Handler_savepoint_rollback = $mysql_Handler_savepoint_rollback +SET Handler_update = $mysql_Handler_update +SET Handler_write = $mysql_Handler_write +END + +BEGIN mysql.table_locks $1 +SET Table_locks_immediate = $mysql_Table_locks_immediate +SET Table_locks_waited = $mysql_Table_locks_waited +END + +BEGIN mysql.select_issues $1 +SET Select_full_join = $mysql_Select_full_join +SET Select_full_range_join = $mysql_Select_full_range_join +SET Select_range = $mysql_Select_range +SET Select_range_check = $mysql_Select_range_check +SET Select_scan = $mysql_Select_scan +END + +BEGIN mysql.sort_issues $1 +SET Sort_merge_passes = $mysql_Sort_merge_passes +SET Sort_range = $mysql_Sort_range +SET Sort_scan = $mysql_Sort_scan +END + +VALUESEOF + + return 0 +} + |