3 # http://dev.mysql.com/doc/refman/5.0/en/server-status-variables.html
9 mysql "${mysql_cmd_opts}" -s -e "show global status;"
13 # check once if the url works
14 local x="$(mysql_get_stats | grep "^Connections[[:space:]]")"
15 if [ ! $? -eq 0 -o -z "$x" ]
17 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"
27 CHART mysql.bandwidth '' "mysql Bandwidth" "kilobits / sec" mysql '' area 20001 $mysql_update_every
28 DIMENSION Bytes_received in incremental 8 $((1024 * mysql_update_every))
29 DIMENSION Bytes_sent out incremental -8 $((1024 * mysql_update_every))
31 CHART mysql.queries '' "mysql Queries" "queries / sec" mysql '' line 20002 $mysql_update_every
32 DIMENSION Queries queries incremental 1 $((1 * mysql_update_every))
33 DIMENSION Questions questions incremental 1 $((1 * mysql_update_every))
34 DIMENSION Slow_queries slow_queries incremental -1 $((1 * mysql_update_every))
36 CHART mysql.operations '' "mysql Operations" "operations / sec" mysql '' line 20003 $mysql_update_every
37 DIMENSION Opened_tables opened_table incremental 1 $((1 * mysql_update_every))
38 DIMENSION Flush_commands flush incremental 1 $((1 * mysql_update_every))
39 DIMENSION Handler_commit commit incremental 1 $((1 * mysql_update_every))
40 DIMENSION Handler_delete delete incremental 1 $((1 * mysql_update_every))
41 DIMENSION Handler_prepare prepare incremental 1 $((1 * mysql_update_every))
42 DIMENSION Handler_read_first read_first incremental 1 $((1 * mysql_update_every))
43 DIMENSION Handler_read_key read_key incremental 1 $((1 * mysql_update_every))
44 DIMENSION Handler_read_next read_next incremental 1 $((1 * mysql_update_every))
45 DIMENSION Handler_read_prev read_prev incremental 1 $((1 * mysql_update_every))
46 DIMENSION Handler_read_rnd read_rnd incremental 1 $((1 * mysql_update_every))
47 DIMENSION Handler_read_rnd_next read_rnd_next incremental 1 $((1 * mysql_update_every))
48 DIMENSION Handler_rollback rollback incremental 1 $((1 * mysql_update_every))
49 DIMENSION Handler_savepoint savepoint incremental 1 $((1 * mysql_update_every))
50 DIMENSION Handler_savepoint_rollback savepoint_rollback incremental 1 $((1 * mysql_update_every))
51 DIMENSION Handler_update update incremental 1 $((1 * mysql_update_every))
52 DIMENSION Handler_write write incremental 1 $((1 * mysql_update_every))
54 CHART mysql.table_locks '' "mysql Tables Locks" "locks / sec" mysql '' line 20004 $mysql_update_every
55 DIMENSION Table_locks_immediate immediate incremental 1 $((1 * mysql_update_every))
56 DIMENSION Table_locks_waited waited incremental -1 $((1 * mysql_update_every))
58 CHART mysql.select_issues '' "mysql Select Issues" "issues / sec" mysql '' line 20005 $mysql_update_every
59 DIMENSION Select_full_join full_join incremental 1 $((1 * mysql_update_every))
60 DIMENSION Select_full_range_join full_range_join incremental 1 $((1 * mysql_update_every))
61 DIMENSION Select_range range incremental 1 $((1 * mysql_update_every))
62 DIMENSION Select_range_check range_check incremental 1 $((1 * mysql_update_every))
63 DIMENSION Select_scan scan incremental 1 $((1 * mysql_update_every))
65 CHART mysql.sort_issues '' "mysql Sort Issues" "issues / sec" mysql '' line 20006 $mysql_update_every
66 DIMENSION Sort_merge_passes merge_passes incremental 1 $((1 * mysql_update_every))
67 DIMENSION Sort_range range incremental 1 $((1 * mysql_update_every))
68 DIMENSION Sort_scan scan incremental 1 $((1 * mysql_update_every))
76 # the first argument to this function is the microseconds since last update
77 # pass this parameter to the BEGIN statement (see bellow).
79 # do all the work to collect / calculate the values
81 # remember: KEEP IT SIMPLE AND SHORT
83 # 1. get the counters page from mysql
84 # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local mysql_
85 # 3. egrep lines starting with:
86 # local mysql_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
87 # local mysql_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
88 # 4. then execute this as a script with the eval
90 # be very carefull with eval:
91 # prepare the script and always grep at the end the lines that are usefull, so that
92 # even if something goes wrong, no other code can be executed
94 eval "$(mysql_get_stats |\
95 sed -e "s/[[:space:]]\+/ /g" -e "s/\./_/g" -e "s/^\([a-z0-9_]\+\)[[:space:]]\+\([0-9]\+\)$/local mysql_\1=\2/g" |\
96 egrep "^local mysql_[a-zA-Z0-9_]+=[[:digit:]]+$")"
98 # write the result of the work.
100 BEGIN mysql.bandwidth $1
101 SET Bytes_received = $mysql_Bytes_received
102 SET Bytes_sent = $mysql_Bytes_sent
105 BEGIN mysql.queries $1
106 SET Queries = $mysql_Queries
107 SET Questions = $mysql_Questions
108 SET Slow_queries = $mysql_Slow_queries
111 BEGIN mysql.operations $1
112 SET Opened_tables = $mysql_Opened_tables
113 SET Flush_commands = $mysql_Flush_commands
114 SET Handler_commit = $mysql_Handler_commit
115 SET Handler_delete = $mysql_Handler_delete
116 SET Handler_prepare = $mysql_Handler_prepare
117 SET Handler_read_first = $mysql_Handler_read_first
118 SET Handler_read_key = $mysql_Handler_read_key
119 SET Handler_read_next = $mysql_Handler_read_next
120 SET Handler_read_prev = $mysql_Handler_read_prev
121 SET Handler_read_rnd = $mysql_Handler_read_rnd
122 SET Handler_read_rnd_next = $mysql_Handler_read_rnd_next
123 SET Handler_rollback = $mysql_Handler_rollback
124 SET Handler_savepoint = $mysql_Handler_savepoint
125 SET Handler_savepoint_rollback = $mysql_Handler_savepoint_rollback
126 SET Handler_update = $mysql_Handler_update
127 SET Handler_write = $mysql_Handler_write
130 BEGIN mysql.table_locks $1
131 SET Table_locks_immediate = $mysql_Table_locks_immediate
132 SET Table_locks_waited = $mysql_Table_locks_waited
135 BEGIN mysql.select_issues $1
136 SET Select_full_join = $mysql_Select_full_join
137 SET Select_full_range_join = $mysql_Select_full_range_join
138 SET Select_range = $mysql_Select_range
139 SET Select_range_check = $mysql_Select_range_check
140 SET Select_scan = $mysql_Select_scan
143 BEGIN mysql.sort_issues $1
144 SET Sort_merge_passes = $mysql_Sort_merge_passes
145 SET Sort_range = $mysql_Sort_range
146 SET Sort_scan = $mysql_Sort_scan