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.
12 declare -A mysql_cmds=() mysql_opts=() mysql_ids=()
17 "${@}" -s -e "show global status;"
20 [ $ret -ne 0 ] && echo "plugin_command_failure $ret"
26 mysql_Bytes_received \
31 mysql_Handler_commit \
32 mysql_Handler_delete \
33 mysql_Handler_prepare \
34 mysql_Handler_read_first \
35 mysql_Handler_read_key \
36 mysql_Handler_read_next \
37 mysql_Handler_read_prev \
38 mysql_Handler_read_rnd \
39 mysql_Handler_read_rnd_next \
40 mysql_Handler_rollback \
41 mysql_Handler_savepoint \
42 mysql_Handler_savepoint_rollback \
43 mysql_Handler_update \
45 mysql_Table_locks_immediate \
46 mysql_Table_locks_waited \
47 mysql_Select_full_join \
48 mysql_Select_full_range_join \
50 mysql_Select_range_check \
52 mysql_Sort_merge_passes \
55 mysql_Created_tmp_disk_tables \
56 mysql_Created_tmp_files \
57 mysql_Created_tmp_tables \
58 mysql_Connection_errors_accept \
59 mysql_Connection_errors_internal \
60 mysql_Connection_errors_max_connections \
61 mysql_Connection_errors_peer_addr \
62 mysql_Connection_errors_select \
63 mysql_Connection_errors_tcpwrap \
65 mysql_Aborted_connects \
66 mysql_Binlog_cache_disk_use \
67 mysql_Binlog_cache_use \
68 mysql_Binlog_stmt_cache_disk_use \
69 mysql_Binlog_stmt_cache_use \
70 mysql_Threads_connected \
71 mysql_Threads_created \
72 mysql_Threads_cached \
73 mysql_Threads_running \
74 mysql_Innodb_data_read \
75 mysql_Innodb_data_written \
76 mysql_Innodb_data_reads \
77 mysql_Innodb_data_writes \
78 mysql_Innodb_data_fsyncs \
79 mysql_Innodb_data_pending_reads \
80 mysql_Innodb_data_pending_writes \
81 mysql_Innodb_data_pending_fsyncs \
82 mysql_Innodb_log_waits \
83 mysql_Innodb_log_write_requests \
84 mysql_Innodb_log_writes \
85 mysql_Innodb_os_log_fsyncs \
86 mysql_Innodb_os_log_pending_fsyncs \
87 mysql_Innodb_os_log_pending_writes \
88 mysql_Innodb_os_log_written \
89 mysql_Innodb_row_lock_current_waits \
90 mysql_Innodb_rows_inserted \
91 mysql_Innodb_rows_read \
92 mysql_Innodb_rows_updated \
93 mysql_Innodb_rows_deleted
95 mysql_plugin_command_failure=0
97 eval "$(mysql_exec "${@}" |\
99 -e "s/[[:space:]]\+/ /g" \
101 -e "s/^\([a-zA-Z0-9_]\+\)[[:space:]]\+\([0-9]\+\)$/mysql_\1=\2/g" |\
102 egrep "^mysql_[a-zA-Z0-9_]+=[[:digit:]]+$")"
104 [ $mysql_plugin_command_failure -eq 1 ] && return 1
105 [ -z "$mysql_Connections" ] && return 1
107 mysql_Thread_cache_misses=0
108 [ $(( mysql_Connections + 1 - 1 )) -gt 0 ] && mysql_Thread_cache_misses=$(( mysql_Threads_created * 10000 / mysql_Connections ))
114 # this should return:
115 # - 0 to enable the chart
116 # - 1 to disable the chart
120 [ -z "${mysql_cmd}" ] && mysql_cmd="$(which mysql)"
122 if [ ${#mysql_opts[@]} -eq 0 ]
124 mysql_cmds[local]="$mysql_cmd"
128 # check once if the url works
129 for m in "${!mysql_opts[@]}"
131 [ -z "${mysql_cmds[$m]}" ] && mysql_cmds[$m]="$mysql_cmd"
132 if [ -z "${mysql_cmds[$m]}" ]
134 echo >&2 "$PROGRAM_NAME: mysql: cannot get mysql command for '$m'. Please set mysql_cmds[$m]='/path/to/mysql', in $confd/mysql.conf"
137 mysql_get "${mysql_cmds[$m]}" ${mysql_opts[$m]}
140 echo >&2 "$PROGRAM_NAME: mysql: cannot get global status for '$m'. Please set mysql_opts[$m]='options' to whatever needed to get connected to the mysql server, in $confd/mysql.conf"
147 mysql_ids[$m]="$( fixid "$m" )"
150 if [ ${#mysql_opts[@]} -eq 0 ]
152 echo >&2 "$PROGRAM_NAME: mysql: no mysql servers found. Please set mysql_opts[name]='options' to whatever needed to get connected to the mysql server, in $confd/mysql.conf"
163 for m in "${mysql_ids[@]}"
166 CHART mysql_$m.bandwidth '' "mysql Bandwidth" "kilobits/s" mysql_$m mysql area 20001 $mysql_update_every
167 DIMENSION Bytes_received in incremental 8 $((1024 * mysql_update_every))
168 DIMENSION Bytes_sent out incremental -8 $((1024 * mysql_update_every))
170 CHART mysql_$m.queries '' "mysql Queries" "queries/s" mysql_$m mysql line 20002 $mysql_update_every
171 DIMENSION Queries queries incremental 1 $((1 * mysql_update_every))
172 DIMENSION Questions questions incremental 1 $((1 * mysql_update_every))
173 DIMENSION Slow_queries slow_queries incremental -1 $((1 * mysql_update_every))
175 CHART mysql_$m.handlers '' "mysql Handlers" "handlers/s" mysql_$m mysql line 20003 $mysql_update_every
176 DIMENSION Handler_commit commit incremental 1 $((1 * mysql_update_every))
177 DIMENSION Handler_delete delete incremental 1 $((1 * mysql_update_every))
178 DIMENSION Handler_prepare prepare incremental 1 $((1 * mysql_update_every))
179 DIMENSION Handler_read_first read_first incremental 1 $((1 * mysql_update_every))
180 DIMENSION Handler_read_key read_key incremental 1 $((1 * mysql_update_every))
181 DIMENSION Handler_read_next read_next incremental 1 $((1 * mysql_update_every))
182 DIMENSION Handler_read_prev read_prev incremental 1 $((1 * mysql_update_every))
183 DIMENSION Handler_read_rnd read_rnd incremental 1 $((1 * mysql_update_every))
184 DIMENSION Handler_read_rnd_next read_rnd_next incremental 1 $((1 * mysql_update_every))
185 DIMENSION Handler_rollback rollback incremental 1 $((1 * mysql_update_every))
186 DIMENSION Handler_savepoint savepoint incremental 1 $((1 * mysql_update_every))
187 DIMENSION Handler_savepoint_rollback savepoint_rollback incremental 1 $((1 * mysql_update_every))
188 DIMENSION Handler_update update incremental 1 $((1 * mysql_update_every))
189 DIMENSION Handler_write write incremental 1 $((1 * mysql_update_every))
191 CHART mysql_$m.table_locks '' "mysql Tables Locks" "locks/s" mysql_$m mysql line 20004 $mysql_update_every
192 DIMENSION Table_locks_immediate immediate incremental 1 $((1 * mysql_update_every))
193 DIMENSION Table_locks_waited waited incremental -1 $((1 * mysql_update_every))
195 CHART mysql_$m.join_issues '' "mysql Select Join Issues" "joins/s" mysql_$m mysql line 20005 $mysql_update_every
196 DIMENSION Select_full_join full_join incremental 1 $((1 * mysql_update_every))
197 DIMENSION Select_full_range_join full_range_join incremental 1 $((1 * mysql_update_every))
198 DIMENSION Select_range range incremental 1 $((1 * mysql_update_every))
199 DIMENSION Select_range_check range_check incremental 1 $((1 * mysql_update_every))
200 DIMENSION Select_scan scan incremental 1 $((1 * mysql_update_every))
202 CHART mysql_$m.sort_issues '' "mysql Sort Issues" "issues/s" mysql_$m mysql line 20006 $mysql_update_every
203 DIMENSION Sort_merge_passes merge_passes incremental 1 $((1 * mysql_update_every))
204 DIMENSION Sort_range range incremental 1 $((1 * mysql_update_every))
205 DIMENSION Sort_scan scan incremental 1 $((1 * mysql_update_every))
207 CHART mysql_$m.tmp '' "mysql Tmp Operations" "counter" mysql_$m mysql line 20007 $mysql_update_every
208 DIMENSION Created_tmp_disk_tables disk_tables incremental 1 $((1 * mysql_update_every))
209 DIMENSION Created_tmp_files files incremental 1 $((1 * mysql_update_every))
210 DIMENSION Created_tmp_tables tables incremental 1 $((1 * mysql_update_every))
212 CHART mysql_$m.connections '' "mysql Connections" "connections/s" mysql_$m mysql line 20009 $mysql_update_every
213 DIMENSION Connections all incremental 1 $((1 * mysql_update_every))
214 DIMENSION Aborted_connects aborded incremental 1 $((1 * mysql_update_every))
216 CHART mysql_$m.binlog_cache '' "mysql Binlog Cache" "transactions/s" mysql_$m mysql line 20010 $mysql_update_every
217 DIMENSION Binlog_cache_disk_use disk incremental 1 $((1 * mysql_update_every))
218 DIMENSION Binlog_cache_use all incremental 1 $((1 * mysql_update_every))
220 CHART mysql_$m.threads '' "mysql Threads" "threads" mysql_$m mysql line 20012 $mysql_update_every
221 DIMENSION Threads_connected connected absolute 1 1
222 DIMENSION Threads_created created incremental 1 $((1 * mysql_update_every))
223 DIMENSION Threads_cached cached absolute -1 1
224 DIMENSION Threads_running running absolute 1 $((1 * mysql_update_every))
226 CHART mysql_$m.thread_cache_misses '' "mysql Threads Cache Misses" "misses" mysql_$m mysql area 20013 $mysql_update_every
227 DIMENSION misses misses absolute 1 100
229 CHART mysql_$m.innodb_io '' "mysql InnoDB I/O Bandwidth" "kilobytes/s" mysql_$m mysql area 20014 $mysql_update_every
230 DIMENSION Innodb_data_read read incremental 1 $((1000 * mysql_update_every))
231 DIMENSION Innodb_data_written write incremental -1 $((1000 * mysql_update_every))
233 CHART mysql_$m.innodb_io_ops '' "mysql InnoDB I/O Operations" "operations/s" mysql_$m mysql line 20015 $mysql_update_every
234 DIMENSION Innodb_data_reads reads incremental 1 $((1 * mysql_update_every))
235 DIMENSION Innodb_data_writes writes incremental -1 $((1 * mysql_update_every))
236 DIMENSION Innodb_data_fsyncs fsyncs incremental 1 $((1 * mysql_update_every))
238 CHART mysql_$m.innodb_io_pending_ops '' "mysql InnoDB Pending I/O Operations" "operations/s" mysql_$m mysql line 20015 $mysql_update_every
239 DIMENSION Innodb_data_pending_reads reads absolute 1 1
240 DIMENSION Innodb_data_pending_writes writes absolute -1 1
241 DIMENSION Innodb_data_pending_fsyncs fsyncs absolute 1 1
243 CHART mysql_$m.innodb_log '' "mysql InnoDB Log Operations" "operations/s" mysql_$m mysql line 20016 $mysql_update_every
244 DIMENSION Innodb_log_waits waits incremental 1 $((1 * mysql_update_every))
245 DIMENSION Innodb_log_write_requests write_requests incremental -1 $((1 * mysql_update_every))
246 DIMENSION Innodb_log_writes writes incremental -1 $((1 * mysql_update_every))
248 CHART mysql_$m.innodb_os_log '' "mysql InnoDB OS Log Operations" "operations/s" mysql_$m mysql line 20017 $mysql_update_every
249 DIMENSION Innodb_os_log_fsyncs fsyncs incremental 1 $((1 * mysql_update_every))
250 DIMENSION Innodb_os_log_pending_fsyncs pending_fsyncs incremental 1 $((1 * mysql_update_every))
251 DIMENSION Innodb_os_log_pending_writes pending_writes incremental -1 $((1 * mysql_update_every))
253 CHART mysql_$m.innodb_os_log_io '' "mysql InnoDB OS Log Bandwidth" "kilobytes/s" mysql_$m mysql area 20018 $mysql_update_every
254 DIMENSION Innodb_os_log_written write incremental -1 $((1000 * mysql_update_every))
256 CHART mysql_$m.innodb_cur_row_lock '' "mysql InnoDB Current Row Locks" "operations" mysql_$m mysql area 20019 $mysql_update_every
257 DIMENSION Innodb_row_lock_current_waits current_waits absolute 1 1
259 CHART mysql_$m.innodb_rows '' "mysql InnoDB Row Operations" "operations/s" mysql_$m mysql area 20020 $mysql_update_every
260 DIMENSION Innodb_rows_read read incremental 1 $((1 * mysql_update_every))
261 DIMENSION Innodb_rows_deleted deleted incremental -1 $((1 * mysql_update_every))
262 DIMENSION Innodb_rows_inserted inserted incremental 1 $((1 * mysql_update_every))
263 DIMENSION Innodb_rows_updated updated incremental -1 $((1 * mysql_update_every))
267 if [ ! -z "$mysql_Binlog_stmt_cache_disk_use" ]
270 CHART mysql_$m.binlog_stmt_cache '' "mysql Binlog Statement Cache" "statements/s" mysql_$m mysql line 20011 $mysql_update_every
271 DIMENSION Binlog_stmt_cache_disk_use disk incremental 1 $((1 * mysql_update_every))
272 DIMENSION Binlog_stmt_cache_use all incremental 1 $((1 * mysql_update_every))
276 if [ ! -z "$mysql_Connection_errors_accept" ]
279 CHART mysql_$m.connection_errors '' "mysql Connection Errors" "connections/s" mysql_$m mysql line 20008 $mysql_update_every
280 DIMENSION Connection_errors_accept accept incremental 1 $((1 * mysql_update_every))
281 DIMENSION Connection_errors_internal internal incremental 1 $((1 * mysql_update_every))
282 DIMENSION Connection_errors_max_connections max incremental 1 $((1 * mysql_update_every))
283 DIMENSION Connection_errors_peer_addr peer_addr incremental 1 $((1 * mysql_update_every))
284 DIMENSION Connection_errors_select select incremental 1 $((1 * mysql_update_every))
285 DIMENSION Connection_errors_tcpwrap tcpwrap incremental 1 $((1 * mysql_update_every))
295 # the first argument to this function is the microseconds since last update
296 # pass this parameter to the BEGIN statement (see bellow).
298 # do all the work to collect / calculate the values
300 # remember: KEEP IT SIMPLE AND SHORT
302 # 1. get the counters page from mysql
303 # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local mysql_
304 # 3. egrep lines starting with:
305 # local mysql_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
306 # local mysql_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9
307 # 4. then execute this as a script with the eval
309 # be very carefull with eval:
310 # prepare the script and always grep at the end the lines that are usefull, so that
311 # even if something goes wrong, no other code can be executed
314 for m in "${!mysql_ids[@]}"
318 mysql_get "${mysql_cmds[$m]}" ${mysql_opts[$m]}
324 echo >&2 "$PROGRAM_NAME: mysql: failed to get values for '$m', disabling it."
328 # write the result of the work.
330 BEGIN mysql_$x.bandwidth $1
331 SET Bytes_received = $mysql_Bytes_received
332 SET Bytes_sent = $mysql_Bytes_sent
334 BEGIN mysql_$x.queries $1
335 SET Queries = $mysql_Queries
336 SET Questions = $mysql_Questions
337 SET Slow_queries = $mysql_Slow_queries
339 BEGIN mysql_$x.handlers $1
340 SET Handler_commit = $mysql_Handler_commit
341 SET Handler_delete = $mysql_Handler_delete
342 SET Handler_prepare = $mysql_Handler_prepare
343 SET Handler_read_first = $mysql_Handler_read_first
344 SET Handler_read_key = $mysql_Handler_read_key
345 SET Handler_read_next = $mysql_Handler_read_next
346 SET Handler_read_prev = $mysql_Handler_read_prev
347 SET Handler_read_rnd = $mysql_Handler_read_rnd
348 SET Handler_read_rnd_next = $mysql_Handler_read_rnd_next
349 SET Handler_rollback = $mysql_Handler_rollback
350 SET Handler_savepoint = $mysql_Handler_savepoint
351 SET Handler_savepoint_rollback = $mysql_Handler_savepoint_rollback
352 SET Handler_update = $mysql_Handler_update
353 SET Handler_write = $mysql_Handler_write
355 BEGIN mysql_$x.table_locks $1
356 SET Table_locks_immediate = $mysql_Table_locks_immediate
357 SET Table_locks_waited = $mysql_Table_locks_waited
359 BEGIN mysql_$x.join_issues $1
360 SET Select_full_join = $mysql_Select_full_join
361 SET Select_full_range_join = $mysql_Select_full_range_join
362 SET Select_range = $mysql_Select_range
363 SET Select_range_check = $mysql_Select_range_check
364 SET Select_scan = $mysql_Select_scan
366 BEGIN mysql_$x.sort_issues $1
367 SET Sort_merge_passes = $mysql_Sort_merge_passes
368 SET Sort_range = $mysql_Sort_range
369 SET Sort_scan = $mysql_Sort_scan
371 BEGIN mysql_$m.tmp $1
372 SET Created_tmp_disk_tables = $mysql_Created_tmp_disk_tables
373 SET Created_tmp_files = $mysql_Created_tmp_files
374 SET Created_tmp_tables = $mysql_Created_tmp_tables
376 BEGIN mysql_$m.connections $1
377 SET Connections = $mysql_Connections
378 SET Aborted_connects = $mysql_Aborted_connects
380 BEGIN mysql_$m.binlog_cache $1
381 SET Binlog_cache_disk_use = $mysql_Binlog_cache_disk_use
382 SET Binlog_cache_use = $mysql_Binlog_cache_use
384 BEGIN mysql_$m.threads $1
385 SET Threads_connected = $mysql_Threads_connected
386 SET Threads_created = $mysql_Threads_created
387 SET Threads_cached = $mysql_Threads_cached
388 SET Threads_running = $mysql_Threads_running
390 BEGIN mysql_$m.thread_cache_misses $1
391 SET misses = $mysql_Thread_cache_misses
393 BEGIN mysql_$m.innodb_io $1
394 SET Innodb_data_read = $mysql_Innodb_data_read
395 SET Innodb_data_written = $mysql_Innodb_data_written
397 BEGIN mysql_$m.innodb_io_ops $1
398 SET Innodb_data_reads = $mysql_Innodb_data_reads
399 SET Innodb_data_writes = $mysql_Innodb_data_writes
400 SET Innodb_data_fsyncs = $mysql_Innodb_data_fsyncs
402 BEGIN mysql_$m.innodb_io_pending_ops $1
403 SET Innodb_data_pending_reads = $mysql_Innodb_data_pending_reads
404 SET Innodb_data_pending_writes = $mysql_Innodb_data_pending_writes
405 SET Innodb_data_pending_fsyncs = $mysql_Innodb_data_pending_fsyncs
407 BEGIN mysql_$m.innodb_log $1
408 SET Innodb_log_waits = $mysql_Innodb_log_waits
409 SET Innodb_log_write_requests = $mysql_Innodb_log_write_requests
410 SET Innodb_log_writes = $mysql_Innodb_log_writes
412 BEGIN mysql_$m.innodb_os_log $1
413 SET Innodb_os_log_fsyncs = $mysql_Innodb_os_log_fsyncs
414 SET Innodb_os_log_pending_fsyncs = $mysql_Innodb_os_log_pending_fsyncs
415 SET Innodb_os_log_pending_writes = $mysql_Innodb_os_log_pending_writes
417 BEGIN mysql_$m.innodb_os_log_io $1
418 SET Innodb_os_log_written = $mysql_Innodb_os_log_written
420 BEGIN mysql_$m.innodb_cur_row_lock $1
421 SET Innodb_row_lock_current_waits = $mysql_Innodb_row_lock_current_waits
423 BEGIN mysql_$m.innodb_rows $1
424 SET Innodb_rows_inserted = $mysql_Innodb_rows_inserted
425 SET Innodb_rows_read = $mysql_Innodb_rows_read
426 SET Innodb_rows_updated = $mysql_Innodb_rows_updated
427 SET Innodb_rows_deleted = $mysql_Innodb_rows_deleted
431 if [ ! -z "$mysql_Binlog_stmt_cache_disk_use" ]
434 BEGIN mysql_$m.binlog_stmt_cache $1
435 SET Binlog_stmt_cache_disk_use = $mysql_Binlog_stmt_cache_disk_use
436 SET Binlog_stmt_cache_use = $mysql_Binlog_stmt_cache_use
441 if [ ! -z "$mysql_Connection_errors_accept" ]
444 BEGIN mysql_$m.connection_errors $1
445 SET Connection_errors_accept = $mysql_Connection_errors_accept
446 SET Connection_errors_internal = $mysql_Connection_errors_internal
447 SET Connection_errors_max_connections = $mysql_Connection_errors_max_connections
448 SET Connection_errors_peer_addr = $mysql_Connection_errors_peer_addr
449 SET Connection_errors_select = $mysql_Connection_errors_select
450 SET Connection_errors_tcpwrap = $mysql_Connection_errors_tcpwrap
456 [ ${#mysql_ids[@]} -eq 0 ] && echo >&2 "$PROGRAM_NAME: mysql: no mysql servers left active." && return 1