1 # no need for shebang - this file is loaded from charts.d.plugin
4 # real-time performance and health monitoring, done right!
5 # (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
9 # http://dev.mysql.com/doc/refman/5.0/en/server-status-variables.html
11 # https://dev.mysql.com/doc/refman/5.1/en/show-status.html
12 # SHOW STATUS provides server status information (see Section 5.1.6, “Server Status Variables”).
13 # This statement does not require any privilege.
14 # It requires only the ability to connect to the server.
19 declare -A mysql_cmds=() mysql_opts=() mysql_ids=() mysql_data=()
26 #arr=($(run "${@}" -e "SHOW GLOBAL STATUS WHERE value REGEXP '^[0-9]';" | egrep "^(Bytes|Slow_|Que|Handl|Table|Selec|Sort_|Creat|Conne|Abort|Binlo|Threa|Innod|Qcach|Key_|Open)" ))
27 #arr=($(run "${@}" -N -e "SHOW GLOBAL STATUS;" | egrep "^(Bytes|Slow_|Que|Handl|Table|Selec|Sort_|Creat|Conne|Abort|Binlo|Threa|Innod|Qcach|Key_|Open)[^ ]+\s[0-9]" ))
28 arr=($(run "${@}" -N -e "SHOW GLOBAL STATUS;" | egrep "^(Bytes|Slow_|Que|Handl|Table|Selec|Sort_|Creat|Conne|Abort|Binlo|Threa|Innod|Qcach|Key_|Open)[^[:space:]]+[[:space:]]+[0-9]+" ))
31 [ "${#arr[@]}" -lt 3 ] && return 1
33 for ((i=2;i<end;i+=2)); do
34 mysql_data["${arr[$i]}"]=${arr[$i+1]}
37 [ -z "${mysql_data[Connections]}" ] && return 1
39 mysql_data[Thread_cache_misses]=0
40 [ $(( mysql_data[Connections] + 1 - 1 )) -gt 0 ] && mysql_data[Thread_cache_misses]=$(( mysql_data[Threads_created] * 10000 / mysql_data[Connections] ))
47 # - 0 to enable the chart
48 # - 1 to disable the chart
50 local x m mysql_cmd tryroot=0 unconfigured=0
52 if [ "${1}" = "tryroot" ]
58 [ -z "${mysql_cmd}" ] && mysql_cmd="$(which mysql)"
60 if [ ${#mysql_opts[@]} -eq 0 ]
64 mysql_cmds[local]="$mysql_cmd"
68 # the user has not configured us for mysql access
69 # if the root user is passwordless in mysql, we can
70 # attempt to connect to mysql as root
71 mysql_opts[local]="-u root"
77 # check once if the url works
78 for m in "${!mysql_opts[@]}"
80 [ -z "${mysql_cmds[$m]}" ] && mysql_cmds[$m]="$mysql_cmd"
81 if [ -z "${mysql_cmds[$m]}" ]
83 error "cannot get mysql command for '$m'. Please set mysql_cmds[$m]='/path/to/mysql', in $confd/mysql.conf"
86 mysql_get "${mysql_cmds[$m]}" ${mysql_opts[$m]}
89 error "cannot get global status for '$m'. Please set mysql_opts[$m]='options' to whatever needed to get connected to the mysql server, in $confd/mysql.conf"
96 mysql_ids[$m]="$( fixid "$m" )"
99 if [ ${#mysql_opts[@]} -eq 0 ]
101 if [ ${unconfigured} -eq 1 -a ${tryroot} -eq 0 ]
103 mysql_check tryroot "${@}"
106 error "no mysql servers found. Please set mysql_opts[name]='options' to whatever needed to get connected to the mysql server, in $confd/mysql.conf"
118 for x in "${mysql_ids[@]}"
121 CHART mysql_$x.net '' "mysql Bandwidth" "kilobits/s" bandwidth mysql.net area $((mysql_priority + 1)) $mysql_update_every
122 DIMENSION Bytes_received in incremental 8 1024
123 DIMENSION Bytes_sent out incremental -8 1024
125 CHART mysql_$x.queries '' "mysql Queries" "queries/s" queries mysql.queries line $((mysql_priority + 2)) $mysql_update_every
126 DIMENSION Queries queries incremental 1 1
127 DIMENSION Questions questions incremental 1 1
128 DIMENSION Slow_queries slow_queries incremental -1 1
130 CHART mysql_$x.handlers '' "mysql Handlers" "handlers/s" handlers mysql.handlers line $((mysql_priority + 3)) $mysql_update_every
131 DIMENSION Handler_commit commit incremental 1 1
132 DIMENSION Handler_delete delete incremental 1 1
133 DIMENSION Handler_prepare prepare incremental 1 1
134 DIMENSION Handler_read_first read_first incremental 1 1
135 DIMENSION Handler_read_key read_key incremental 1 1
136 DIMENSION Handler_read_next read_next incremental 1 1
137 DIMENSION Handler_read_prev read_prev incremental 1 1
138 DIMENSION Handler_read_rnd read_rnd incremental 1 1
139 DIMENSION Handler_read_rnd_next read_rnd_next incremental 1 1
140 DIMENSION Handler_rollback rollback incremental 1 1
141 DIMENSION Handler_savepoint savepoint incremental 1 1
142 DIMENSION Handler_savepoint_rollback savepoint_rollback incremental 1 1
143 DIMENSION Handler_update update incremental 1 1
144 DIMENSION Handler_write write incremental 1 1
146 CHART mysql_$x.table_locks '' "mysql Tables Locks" "locks/s" locks mysql.table_locks line $((mysql_priority + 4)) $mysql_update_every
147 DIMENSION Table_locks_immediate immediate incremental 1 1
148 DIMENSION Table_locks_waited waited incremental -1 1
150 CHART mysql_$x.join_issues '' "mysql Select Join Issues" "joins/s" issues mysql.join_issues line $((mysql_priority + 5)) $mysql_update_every
151 DIMENSION Select_full_join full_join incremental 1 1
152 DIMENSION Select_full_range_join full_range_join incremental 1 1
153 DIMENSION Select_range range incremental 1 1
154 DIMENSION Select_range_check range_check incremental 1 1
155 DIMENSION Select_scan scan incremental 1 1
157 CHART mysql_$x.sort_issues '' "mysql Sort Issues" "issues/s" issues mysql.sort.issues line $((mysql_priority + 6)) $mysql_update_every
158 DIMENSION Sort_merge_passes merge_passes incremental 1 1
159 DIMENSION Sort_range range incremental 1 1
160 DIMENSION Sort_scan scan incremental 1 1
162 CHART mysql_$x.tmp '' "mysql Tmp Operations" "counter" temporaries mysql.tmp line $((mysql_priority + 7)) $mysql_update_every
163 DIMENSION Created_tmp_disk_tables disk_tables incremental 1 1
164 DIMENSION Created_tmp_files files incremental 1 1
165 DIMENSION Created_tmp_tables tables incremental 1 1
167 CHART mysql_$x.connections '' "mysql Connections" "connections/s" connections mysql.connections line $((mysql_priority + 8)) $mysql_update_every
168 DIMENSION Connections all incremental 1 1
169 DIMENSION Aborted_connects aborded incremental 1 1
171 CHART mysql_$x.binlog_cache '' "mysql Binlog Cache" "transactions/s" binlog mysql.binlog_cache line $((mysql_priority + 9)) $mysql_update_every
172 DIMENSION Binlog_cache_disk_use disk incremental 1 1
173 DIMENSION Binlog_cache_use all incremental 1 1
175 CHART mysql_$x.threads '' "mysql Threads" "threads" threads mysql.threads line $((mysql_priority + 10)) $mysql_update_every
176 DIMENSION Threads_connected connected absolute 1 1
177 DIMENSION Threads_created created incremental 1 1
178 DIMENSION Threads_cached cached absolute -1 1
179 DIMENSION Threads_running running absolute 1 1
181 CHART mysql_$x.thread_cache_misses '' "mysql Threads Cache Misses" "misses" threads mysql.thread_cache_misses area $((mysql_priority + 11)) $mysql_update_every
182 DIMENSION misses misses absolute 1 100
184 CHART mysql_$x.innodb_io '' "mysql InnoDB I/O Bandwidth" "kilobytes/s" innodb mysql.innodb_io area $((mysql_priority + 12)) $mysql_update_every
185 DIMENSION Innodb_data_read read incremental 1 1024
186 DIMENSION Innodb_data_written write incremental -1 1024
188 CHART mysql_$x.innodb_io_ops '' "mysql InnoDB I/O Operations" "operations/s" innodb mysql.innodb_io_ops line $((mysql_priority + 13)) $mysql_update_every
189 DIMENSION Innodb_data_reads reads incremental 1 1
190 DIMENSION Innodb_data_writes writes incremental -1 1
191 DIMENSION Innodb_data_fsyncs fsyncs incremental 1 1
193 CHART mysql_$x.innodb_io_pending_ops '' "mysql InnoDB Pending I/O Operations" "operations" innodb mysql.innodb_io_pending_ops line $((mysql_priority + 14)) $mysql_update_every
194 DIMENSION Innodb_data_pending_reads reads absolute 1 1
195 DIMENSION Innodb_data_pending_writes writes absolute -1 1
196 DIMENSION Innodb_data_pending_fsyncs fsyncs absolute 1 1
198 CHART mysql_$x.innodb_log '' "mysql InnoDB Log Operations" "operations/s" innodb mysql.innodb_log line $((mysql_priority + 15)) $mysql_update_every
199 DIMENSION Innodb_log_waits waits incremental 1 1
200 DIMENSION Innodb_log_write_requests write_requests incremental -1 1
201 DIMENSION Innodb_log_writes writes incremental -1 1
203 CHART mysql_$x.innodb_os_log '' "mysql InnoDB OS Log Operations" "operations" innodb mysql.innodb_os_log line $((mysql_priority + 16)) $mysql_update_every
204 DIMENSION Innodb_os_log_fsyncs fsyncs incremental 1 1
205 DIMENSION Innodb_os_log_pending_fsyncs pending_fsyncs absolute 1 1
206 DIMENSION Innodb_os_log_pending_writes pending_writes absolute -1 1
208 CHART mysql_$x.innodb_os_log_io '' "mysql InnoDB OS Log Bandwidth" "kilobytes/s" innodb mysql.innodb_os_log_io area $((mysql_priority + 17)) $mysql_update_every
209 DIMENSION Innodb_os_log_written write incremental -1 1024
211 CHART mysql_$x.innodb_cur_row_lock '' "mysql InnoDB Current Row Locks" "operations" innodb mysql.innodb_cur_row_lock area $((mysql_priority + 18)) $mysql_update_every
212 DIMENSION Innodb_row_lock_current_waits current_waits absolute 1 1
214 CHART mysql_$x.innodb_rows '' "mysql InnoDB Row Operations" "operations/s" innodb mysql.innodb_rows area $((mysql_priority + 19)) $mysql_update_every
215 DIMENSION Innodb_rows_read read incremental 1 1
216 DIMENSION Innodb_rows_deleted deleted incremental -1 1
217 DIMENSION Innodb_rows_inserted inserted incremental 1 1
218 DIMENSION Innodb_rows_updated updated incremental -1 1
220 CHART mysql_$x.innodb_buffer_pool_pages '' "mysql InnoDB Buffer Pool Pages" "pages" innodb mysql.innodb_buffer_pool_pages line $((mysql_priority + 20)) $mysql_update_every
221 DIMENSION Innodb_buffer_pool_pages_data data absolute 1 1
222 DIMENSION Innodb_buffer_pool_pages_dirty dirty absolute -1 1
223 DIMENSION Innodb_buffer_pool_pages_free free absolute 1 1
224 DIMENSION Innodb_buffer_pool_pages_flushed flushed incremental -1 1
225 DIMENSION Innodb_buffer_pool_pages_misc misc absolute -1 1
226 DIMENSION Innodb_buffer_pool_pages_total total absolute 1 1
228 CHART mysql_$x.innodb_buffer_pool_bytes '' "mysql InnoDB Buffer Pool Bytes" "MB" innodb mysql.innodb_buffer_pool_bytes area $((mysql_priority + 21)) $mysql_update_every
229 DIMENSION Innodb_buffer_pool_bytes_data data absolute 1 $((1024 * 1024))
230 DIMENSION Innodb_buffer_pool_bytes_dirty dirty absolute -1 $((1024 * 1024))
232 CHART mysql_$x.innodb_buffer_pool_read_ahead '' "mysql InnoDB Buffer Pool Read Ahead" "operations/s" innodb mysql.innodb_buffer_pool_read_ahead area $((mysql_priority + 22)) $mysql_update_every
233 DIMENSION Innodb_buffer_pool_read_ahead all incremental 1 1
234 DIMENSION Innodb_buffer_pool_read_ahead_evicted evicted incremental -1 1
235 DIMENSION Innodb_buffer_pool_read_ahead_rnd random incremental 1 1
237 CHART mysql_$x.innodb_buffer_pool_reqs '' "mysql InnoDB Buffer Pool Requests" "requests/s" innodb mysql.innodb_buffer_pool_reqs area $((mysql_priority + 23)) $mysql_update_every
238 DIMENSION Innodb_buffer_pool_read_requests reads incremental 1 1
239 DIMENSION Innodb_buffer_pool_write_requests writes incremental -1 1
241 CHART mysql_$x.innodb_buffer_pool_ops '' "mysql InnoDB Buffer Pool Operations" "operations/s" innodb mysql.innodb_buffer_pool_ops area $((mysql_priority + 24)) $mysql_update_every
242 DIMENSION Innodb_buffer_pool_reads 'disk reads' incremental 1 1
243 DIMENSION Innodb_buffer_pool_wait_free 'wait free' incremental -1 1
245 CHART mysql_$x.qcache_ops '' "mysql QCache Operations" "queries/s" qcache mysql.qcache_ops line $((mysql_priority + 25)) $mysql_update_every
246 DIMENSION Qcache_hits hits incremental 1 1
247 DIMENSION Qcache_lowmem_prunes 'lowmem prunes' incremental -1 1
248 DIMENSION Qcache_inserts inserts incremental 1 1
249 DIMENSION Qcache_not_cached 'not cached' incremental -1 1
251 CHART mysql_$x.qcache '' "mysql QCache Queries in Cache" "queries" qcache mysql.qcache line $((mysql_priority + 26)) $mysql_update_every
252 DIMENSION Qcache_queries_in_cache queries absolute 1 1
254 CHART mysql_$x.qcache_freemem '' "mysql QCache Free Memory" "MB" qcache mysql.qcache_freemem area $((mysql_priority + 27)) $mysql_update_every
255 DIMENSION Qcache_free_memory free absolute 1 $((1024 * 1024))
257 CHART mysql_$x.qcache_memblocks '' "mysql QCache Memory Blocks" "blocks" qcache mysql.qcache_memblocks line $((mysql_priority + 28)) $mysql_update_every
258 DIMENSION Qcache_free_blocks free absolute 1 1
259 DIMENSION Qcache_total_blocks total absolute 1 1
261 CHART mysql_$x.key_blocks '' "mysql MyISAM Key Cache Blocks" "blocks" myisam mysql.key_blocks line $((mysql_priority + 29)) $mysql_update_every
262 DIMENSION Key_blocks_unused unused absolute 1 1
263 DIMENSION Key_blocks_used used absolute -1 1
264 DIMENSION Key_blocks_not_flushed 'not flushed' absolute 1 1
266 CHART mysql_$x.key_requests '' "mysql MyISAM Key Cache Requests" "requests/s" myisam mysql.key_requests area $((mysql_priority + 30)) $mysql_update_every
267 DIMENSION Key_read_requests reads incremental 1 1
268 DIMENSION Key_write_requests writes incremental -1 1
270 CHART mysql_$x.key_disk_ops '' "mysql MyISAM Key Cache Disk Operations" "operations/s" myisam mysql.key_disk_ops area $((mysql_priority + 31)) $mysql_update_every
271 DIMENSION Key_reads reads incremental 1 1
272 DIMENSION Key_writes writes incremental -1 1
274 CHART mysql_$x.files '' "mysql Open Files" "files" files mysql.files line $((mysql_priority + 32)) $mysql_update_every
275 DIMENSION Open_files files absolute 1 1
277 CHART mysql_$x.files_rate '' "mysql Opened Files Rate" "files/s" files mysql.files_rate line $((mysql_priority + 33)) $mysql_update_every
278 DIMENSION Opened_files files incremental 1 1
281 if [ ! -z "${mysql_data[Binlog_stmt_cache_disk_use]}" ]
284 CHART mysql_$x.binlog_stmt_cache '' "mysql Binlog Statement Cache" "statements/s" binlog mysql.binlog_stmt_cache line $((mysql_priority + 50)) $mysql_update_every
285 DIMENSION Binlog_stmt_cache_disk_use disk incremental 1 1
286 DIMENSION Binlog_stmt_cache_use all incremental 1 1
290 if [ ! -z "${mysql_data[Connection_errors_accept]}" ]
293 CHART mysql_$x.connection_errors '' "mysql Connection Errors" "connections/s" connections mysql.connection_errors line $((mysql_priority + 51)) $mysql_update_every
294 DIMENSION Connection_errors_accept accept incremental 1 1
295 DIMENSION Connection_errors_internal internal incremental 1 1
296 DIMENSION Connection_errors_max_connections max incremental 1 1
297 DIMENSION Connection_errors_peer_addr peer_addr incremental 1 1
298 DIMENSION Connection_errors_select select incremental 1 1
299 DIMENSION Connection_errors_tcpwrap tcpwrap incremental 1 1
309 # the first argument to this function is the microseconds since last update
310 # pass this parameter to the BEGIN statement (see bellow).
312 # do all the work to collect / calculate the values
314 # remember: KEEP IT SIMPLE AND SHORT
317 for m in "${!mysql_ids[@]}"
320 mysql_get "${mysql_cmds[$m]}" ${mysql_opts[$m]}
327 error "failed to get values for '$m', disabling it."
331 # write the result of the work.
333 BEGIN mysql_$x.net $1
334 SET Bytes_received = ${mysql_data[Bytes_received]}
335 SET Bytes_sent = ${mysql_data[Bytes_sent]}
337 BEGIN mysql_$x.queries $1
338 SET Queries = ${mysql_data[Queries]}
339 SET Questions = ${mysql_data[Questions]}
340 SET Slow_queries = ${mysql_data[Slow_queries]}
342 BEGIN mysql_$x.handlers $1
343 SET Handler_commit = ${mysql_data[Handler_commit]}
344 SET Handler_delete = ${mysql_data[Handler_delete]}
345 SET Handler_prepare = ${mysql_data[Handler_prepare]}
346 SET Handler_read_first = ${mysql_data[Handler_read_first]}
347 SET Handler_read_key = ${mysql_data[Handler_read_key]}
348 SET Handler_read_next = ${mysql_data[Handler_read_next]}
349 SET Handler_read_prev = ${mysql_data[Handler_read_prev]}
350 SET Handler_read_rnd = ${mysql_data[Handler_read_rnd]}
351 SET Handler_read_rnd_next = ${mysql_data[Handler_read_rnd_next]}
352 SET Handler_rollback = ${mysql_data[Handler_rollback]}
353 SET Handler_savepoint = ${mysql_data[Handler_savepoint]}
354 SET Handler_savepoint_rollback = ${mysql_data[Handler_savepoint_rollback]}
355 SET Handler_update = ${mysql_data[Handler_update]}
356 SET Handler_write = ${mysql_data[Handler_write]}
358 BEGIN mysql_$x.table_locks $1
359 SET Table_locks_immediate = ${mysql_data[Table_locks_immediate]}
360 SET Table_locks_waited = ${mysql_data[Table_locks_waited]}
362 BEGIN mysql_$x.join_issues $1
363 SET Select_full_join = ${mysql_data[Select_full_join]}
364 SET Select_full_range_join = ${mysql_data[Select_full_range_join]}
365 SET Select_range = ${mysql_data[Select_range]}
366 SET Select_range_check = ${mysql_data[Select_range_check]}
367 SET Select_scan = ${mysql_data[Select_scan]}
369 BEGIN mysql_$x.sort_issues $1
370 SET Sort_merge_passes = ${mysql_data[Sort_merge_passes]}
371 SET Sort_range = ${mysql_data[Sort_range]}
372 SET Sort_scan = ${mysql_data[Sort_scan]}
374 BEGIN mysql_$x.tmp $1
375 SET Created_tmp_disk_tables = ${mysql_data[Created_tmp_disk_tables]}
376 SET Created_tmp_files = ${mysql_data[Created_tmp_files]}
377 SET Created_tmp_tables = ${mysql_data[Created_tmp_tables]}
379 BEGIN mysql_$x.connections $1
380 SET Connections = ${mysql_data[Connections]}
381 SET Aborted_connects = ${mysql_data[Aborted_connects]}
383 BEGIN mysql_$x.binlog_cache $1
384 SET Binlog_cache_disk_use = ${mysql_data[Binlog_cache_disk_use]}
385 SET Binlog_cache_use = ${mysql_data[Binlog_cache_use]}
387 BEGIN mysql_$x.threads $1
388 SET Threads_connected = ${mysql_data[Threads_connected]}
389 SET Threads_created = ${mysql_data[Threads_created]}
390 SET Threads_cached = ${mysql_data[Threads_cached]}
391 SET Threads_running = ${mysql_data[Threads_running]}
393 BEGIN mysql_$x.thread_cache_misses $1
394 SET misses = ${mysql_data[Thread_cache_misses]}
396 BEGIN mysql_$x.innodb_io $1
397 SET Innodb_data_read = ${mysql_data[Innodb_data_read]}
398 SET Innodb_data_written = ${mysql_data[Innodb_data_written]}
400 BEGIN mysql_$x.innodb_io_ops $1
401 SET Innodb_data_reads = ${mysql_data[Innodb_data_reads]}
402 SET Innodb_data_writes = ${mysql_data[Innodb_data_writes]}
403 SET Innodb_data_fsyncs = ${mysql_data[Innodb_data_fsyncs]}
405 BEGIN mysql_$x.innodb_io_pending_ops $1
406 SET Innodb_data_pending_reads = ${mysql_data[Innodb_data_pending_reads]}
407 SET Innodb_data_pending_writes = ${mysql_data[Innodb_data_pending_writes]}
408 SET Innodb_data_pending_fsyncs = ${mysql_data[Innodb_data_pending_fsyncs]}
410 BEGIN mysql_$x.innodb_log $1
411 SET Innodb_log_waits = ${mysql_data[Innodb_log_waits]}
412 SET Innodb_log_write_requests = ${mysql_data[Innodb_log_write_requests]}
413 SET Innodb_log_writes = ${mysql_data[Innodb_log_writes]}
415 BEGIN mysql_$x.innodb_os_log $1
416 SET Innodb_os_log_fsyncs = ${mysql_data[Innodb_os_log_fsyncs]}
417 SET Innodb_os_log_pending_fsyncs = ${mysql_data[Innodb_os_log_pending_fsyncs]}
418 SET Innodb_os_log_pending_writes = ${mysql_data[Innodb_os_log_pending_writes]}
420 BEGIN mysql_$x.innodb_os_log_io $1
421 SET Innodb_os_log_written = ${mysql_data[Innodb_os_log_written]}
423 BEGIN mysql_$x.innodb_cur_row_lock $1
424 SET Innodb_row_lock_current_waits = ${mysql_data[Innodb_row_lock_current_waits]}
426 BEGIN mysql_$x.innodb_rows $1
427 SET Innodb_rows_inserted = ${mysql_data[Innodb_rows_inserted]}
428 SET Innodb_rows_read = ${mysql_data[Innodb_rows_read]}
429 SET Innodb_rows_updated = ${mysql_data[Innodb_rows_updated]}
430 SET Innodb_rows_deleted = ${mysql_data[Innodb_rows_deleted]}
432 BEGIN mysql_$x.innodb_buffer_pool_pages $1
433 SET Innodb_buffer_pool_pages_data = ${mysql_data[Innodb_buffer_pool_pages_data]}
434 SET Innodb_buffer_pool_pages_dirty = ${mysql_data[Innodb_buffer_pool_pages_dirty]}
435 SET Innodb_buffer_pool_pages_free = ${mysql_data[Innodb_buffer_pool_pages_free]}
436 SET Innodb_buffer_pool_pages_flushed = ${mysql_data[Innodb_buffer_pool_pages_flushed]}
437 SET Innodb_buffer_pool_pages_misc = ${mysql_data[Innodb_buffer_pool_pages_misc]}
438 SET Innodb_buffer_pool_pages_total = ${mysql_data[Innodb_buffer_pool_pages_total]}
440 BEGIN mysql_$x.innodb_buffer_pool_bytes $1
441 SET Innodb_buffer_pool_bytes_data = ${mysql_data[Innodb_buffer_pool_bytes_data]}
442 SET Innodb_buffer_pool_bytes_dirty = ${mysql_data[Innodb_buffer_pool_bytes_dirty]}
444 BEGIN mysql_$x.innodb_buffer_pool_read_ahead $1
445 SET Innodb_buffer_pool_read_ahead = ${mysql_data[Innodb_buffer_pool_read_ahead]}
446 SET Innodb_buffer_pool_read_ahead_evicted = ${mysql_data[Innodb_buffer_pool_read_ahead_evicted]}
447 SET Innodb_buffer_pool_read_ahead_rnd = ${mysql_data[Innodb_buffer_pool_read_ahead_rnd]}
449 BEGIN mysql_$x.innodb_buffer_pool_reqs $1
450 SET Innodb_buffer_pool_read_requests = ${mysql_data[Innodb_buffer_pool_read_requests]}
451 SET Innodb_buffer_pool_write_requests = ${mysql_data[Innodb_buffer_pool_write_requests]}
453 BEGIN mysql_$x.innodb_buffer_pool_ops $1
454 SET Innodb_buffer_pool_reads = ${mysql_data[Innodb_buffer_pool_reads]}
455 SET Innodb_buffer_pool_wait_free = ${mysql_data[Innodb_buffer_pool_wait_free]}
457 BEGIN mysql_$x.qcache_ops $1
458 SET Qcache_hits hits = ${mysql_data[Qcache_hits]}
459 SET Qcache_lowmem_prunes = ${mysql_data[Qcache_lowmem_prunes]}
460 SET Qcache_inserts = ${mysql_data[Qcache_inserts]}
461 SET Qcache_not_cached = ${mysql_data[Qcache_not_cached]}
463 BEGIN mysql_$x.qcache $1
464 SET Qcache_queries_in_cache = ${mysql_data[Qcache_queries_in_cache]}
466 BEGIN mysql_$x.qcache_freemem $1
467 SET Qcache_free_memory = ${mysql_data[Qcache_free_memory]}
469 BEGIN mysql_$x.qcache_memblocks $1
470 SET Qcache_free_blocks = ${mysql_data[Qcache_free_blocks]}
471 SET Qcache_total_blocks = ${mysql_data[Qcache_total_blocks]}
473 BEGIN mysql_$x.key_blocks $1
474 SET Key_blocks_unused = ${mysql_data[Key_blocks_unused]}
475 SET Key_blocks_used = ${mysql_data[Key_blocks_used]}
476 SET Key_blocks_not_flushed = ${mysql_data[Key_blocks_not_flushed]}
478 BEGIN mysql_$x.key_requests $1
479 SET Key_read_requests = ${mysql_data[Key_read_requests]}
480 SET Key_write_requests = ${mysql_data[Key_write_requests]}
482 BEGIN mysql_$x.key_disk_ops $1
483 SET Key_reads = ${mysql_data[Key_reads]}
484 SET Key_writes = ${mysql_data[Key_writes]}
486 BEGIN mysql_$x.files $1
487 SET Open_files = ${mysql_data[Open_files]}
489 BEGIN mysql_$x.files_rate $1
490 SET Opened_files = ${mysql_data[Opened_files]}
494 if [ ! -z "${mysql_data[Binlog_stmt_cache_disk_use]}" ]
497 BEGIN mysql_$x.binlog_stmt_cache $1
498 SET Binlog_stmt_cache_disk_use = ${mysql_data[Binlog_stmt_cache_disk_use]}
499 SET Binlog_stmt_cache_use = ${mysql_data[Binlog_stmt_cache_use]}
504 if [ ! -z "${mysql_data[Connection_errors_accept]}" ]
507 BEGIN mysql_$x.connection_errors $1
508 SET Connection_errors_accept = ${mysql_data[Connection_errors_accept]}
509 SET Connection_errors_internal = ${mysql_data[Connection_errors_internal]}
510 SET Connection_errors_max_connections = ${mysql_data[Connection_errors_max_connections]}
511 SET Connection_errors_peer_addr = ${mysql_data[Connection_errors_peer_addr]}
512 SET Connection_errors_select = ${mysql_data[Connection_errors_select]}
513 SET Connection_errors_tcpwrap = ${mysql_data[Connection_errors_tcpwrap]}
519 [ ${#mysql_ids[@]} -eq 0 ] && error "no mysql servers left active." && return 1