3 # http://dev.mysql.com/doc/refman/5.0/en/server-status-variables.html
5 # https://dev.mysql.com/doc/refman/5.1/en/show-status.html
6 # SHOW STATUS provides server status information (see Section 5.1.6, “Server Status Variables”).
7 # This statement does not require any privilege.
8 # It requires only the ability to connect to the server.
14 mysql "${mysql_cmd_opts}" -s -e "show global status;"
18 # check once if the url works
19 local x="$(mysql_get_stats | grep "^Connections[[:space:]]")"
20 if [ ! $? -eq 0 -o -z "$x" ]
22 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"
32 CHART mysql.bandwidth '' "mysql Bandwidth" "kilobits / sec" mysql '' area 20001 $mysql_update_every
33 DIMENSION Bytes_received in incremental 8 $((1024 * mysql_update_every))
34 DIMENSION Bytes_sent out incremental -8 $((1024 * mysql_update_every))
36 CHART mysql.queries '' "mysql Queries" "queries / sec" mysql '' line 20002 $mysql_update_every
37 DIMENSION Queries queries incremental 1 $((1 * mysql_update_every))
38 DIMENSION Questions questions incremental 1 $((1 * mysql_update_every))
39 DIMENSION Slow_queries slow_queries incremental -1 $((1 * mysql_update_every))
41 CHART mysql.operations '' "mysql Operations" "operations / sec" mysql '' line 20003 $mysql_update_every
42 DIMENSION Opened_tables opened_table incremental 1 $((1 * mysql_update_every))
43 DIMENSION Flush_commands flush incremental 1 $((1 * mysql_update_every))
44 DIMENSION Handler_commit commit incremental 1 $((1 * mysql_update_every))
45 DIMENSION Handler_delete delete incremental 1 $((1 * mysql_update_every))
46 DIMENSION Handler_prepare prepare incremental 1 $((1 * mysql_update_every))
47 DIMENSION Handler_read_first read_first incremental 1 $((1 * mysql_update_every))
48 DIMENSION Handler_read_key read_key incremental 1 $((1 * mysql_update_every))
49 DIMENSION Handler_read_next read_next incremental 1 $((1 * mysql_update_every))
50 DIMENSION Handler_read_prev read_prev incremental 1 $((1 * mysql_update_every))
51 DIMENSION Handler_read_rnd read_rnd incremental 1 $((1 * mysql_update_every))
52 DIMENSION Handler_read_rnd_next read_rnd_next incremental 1 $((1 * mysql_update_every))
53 DIMENSION Handler_rollback rollback incremental 1 $((1 * mysql_update_every))
54 DIMENSION Handler_savepoint savepoint incremental 1 $((1 * mysql_update_every))
55 DIMENSION Handler_savepoint_rollback savepoint_rollback incremental 1 $((1 * mysql_update_every))
56 DIMENSION Handler_update update incremental 1 $((1 * mysql_update_every))
57 DIMENSION Handler_write write incremental 1 $((1 * mysql_update_every))
59 CHART mysql.table_locks '' "mysql Tables Locks" "locks / sec" mysql '' line 20004 $mysql_update_every
60 DIMENSION Table_locks_immediate immediate incremental 1 $((1 * mysql_update_every))
61 DIMENSION Table_locks_waited waited incremental -1 $((1 * mysql_update_every))
63 CHART mysql.select_issues '' "mysql Select Issues" "issues / sec" mysql '' line 20005 $mysql_update_every
64 DIMENSION Select_full_join full_join incremental 1 $((1 * mysql_update_every))
65 DIMENSION Select_full_range_join full_range_join incremental 1 $((1 * mysql_update_every))
66 DIMENSION Select_range range incremental 1 $((1 * mysql_update_every))
67 DIMENSION Select_range_check range_check incremental 1 $((1 * mysql_update_every))
68 DIMENSION Select_scan scan incremental 1 $((1 * mysql_update_every))
70 CHART mysql.sort_issues '' "mysql Sort Issues" "issues / sec" mysql '' line 20006 $mysql_update_every
71 DIMENSION Sort_merge_passes merge_passes incremental 1 $((1 * mysql_update_every))
72 DIMENSION Sort_range range incremental 1 $((1 * mysql_update_every))
73 DIMENSION Sort_scan scan incremental 1 $((1 * mysql_update_every))
80 # the first argument to this function is the microseconds since last update
81 # pass this parameter to the BEGIN statement (see bellow).
83 # do all the work to collect / calculate the values
85 # remember: KEEP IT SIMPLE AND SHORT
87 # 1. get the counters page from mysql
88 # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local mysql_
89 # 3. egrep lines starting with:
90 # local mysql_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
91 # local mysql_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
92 # 4. then execute this as a script with the eval
94 # be very carefull with eval:
95 # prepare the script and always grep at the end the lines that are usefull, so that
96 # even if something goes wrong, no other code can be executed
98 eval "$(mysql_get_stats |\
99 sed -e "s/[[:space:]]\+/ /g" -e "s/\./_/g" -e "s/^\([a-zA-Z0-9_]\+\)[[:space:]]\+\([0-9]\+\)$/local mysql_\1=\2/g" |\
100 egrep "^local mysql_[a-zA-Z0-9_]+=[[:digit:]]+$")"
102 # write the result of the work.
104 BEGIN mysql.bandwidth $1
105 SET Bytes_received = $mysql_Bytes_received
106 SET Bytes_sent = $mysql_Bytes_sent
109 BEGIN mysql.queries $1
110 SET Queries = $mysql_Queries
111 SET Questions = $mysql_Questions
112 SET Slow_queries = $mysql_Slow_queries
115 BEGIN mysql.operations $1
116 SET Opened_tables = $mysql_Opened_tables
117 SET Flush_commands = $mysql_Flush_commands
118 SET Handler_commit = $mysql_Handler_commit
119 SET Handler_delete = $mysql_Handler_delete
120 SET Handler_prepare = $mysql_Handler_prepare
121 SET Handler_read_first = $mysql_Handler_read_first
122 SET Handler_read_key = $mysql_Handler_read_key
123 SET Handler_read_next = $mysql_Handler_read_next
124 SET Handler_read_prev = $mysql_Handler_read_prev
125 SET Handler_read_rnd = $mysql_Handler_read_rnd
126 SET Handler_read_rnd_next = $mysql_Handler_read_rnd_next
127 SET Handler_rollback = $mysql_Handler_rollback
128 SET Handler_savepoint = $mysql_Handler_savepoint
129 SET Handler_savepoint_rollback = $mysql_Handler_savepoint_rollback
130 SET Handler_update = $mysql_Handler_update
131 SET Handler_write = $mysql_Handler_write
134 BEGIN mysql.table_locks $1
135 SET Table_locks_immediate = $mysql_Table_locks_immediate
136 SET Table_locks_waited = $mysql_Table_locks_waited
139 BEGIN mysql.select_issues $1
140 SET Select_full_join = $mysql_Select_full_join
141 SET Select_full_range_join = $mysql_Select_full_range_join
142 SET Select_range = $mysql_Select_range
143 SET Select_range_check = $mysql_Select_range_check
144 SET Select_scan = $mysql_Select_scan
147 BEGIN mysql.sort_issues $1
148 SET Sort_merge_passes = $mysql_Sort_merge_passes
149 SET Sort_range = $mysql_Sort_range
150 SET Sort_scan = $mysql_Sort_scan