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"name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "基于索引进行 Select 比全表扫描更加有效，在这个图表当中看到的是未使用索引导致的 Select 查询统计。\n\n* ***Select Scan*** 是导致进行全表扫描的查询语句数量，其表中的所有数据都必须被读取和丢弃，才能够返回。\n* ***Select Range*** 是使用一个范围扫描的查询数统计，这意味着 MySQL 扫描了给定范围的所有行。\n* ***Select Full Join*** 是连接查询时未使用索引的查询数统计，这通常会对性能造成重大影响。", "editable": true, "error": false, "fill": 2, "grid": {}, "gridPos": { "h": 9, "w": 12, "x": 12, "y": 26 }, "height": "250px", "id": 311, "legend": { "alignAsTable": true, "avg": true, "current": false, "hideZero": true, "max": true, "min": true, "rightSide": false, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_select_full_join{instance=\"$host\"}[$interval]) or irate(mysql_global_status_select_full_join{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Select Full Join", "metric": "", "refId": "A", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_select_full_range_join{instance=\"$host\"}[$interval]) or irate(mysql_global_status_select_full_range_join{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Select Full Range Join", "metric": "", "refId": "B", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_select_range{instance=\"$host\"}[$interval]) or irate(mysql_global_status_select_range{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Select Range", "metric": "", "refId": "C", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_select_range_check{instance=\"$host\"}[$interval]) or irate(mysql_global_status_select_range_check{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Select Range Check", "metric": "", "refId": "D", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_select_scan{instance=\"$host\"}[$interval]) or irate(mysql_global_status_select_scan{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Select Scan", "metric": "", "refId": "E", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL Select 查询类型", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 35 }, "id": 386, "panels": [], "repeat": null, "title": "排序", "type": "row" }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "由于查询结构、顺序等要求，MySQL 会在返回数据前针对数据行进行排序。\n\n这张图还显示了什么时候排序必须扫描整个表，或者需要扫描指定的范围才能够返回结果，而这些结果通常不能够根据索引来进行排序。", "editable": true, "error": false, "fill": 2, "grid": {}, "gridPos": { "h": 9, "w": 12, "x": 0, "y": 36 }, "id": 30, "legend": { "alignAsTable": true, "avg": true, "current": false, "hideZero": true, "max": true, "min": true, "rightSide": false, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_sort_rows{instance=\"$host\"}[$interval]) or irate(mysql_global_status_sort_rows{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Sort Rows", "metric": "", "refId": "A", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_sort_range{instance=\"$host\"}[$interval]) or irate(mysql_global_status_sort_range{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Sort Range", "metric": "", "refId": "B", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_sort_merge_passes{instance=\"$host\"}[$interval]) or irate(mysql_global_status_sort_merge_passes{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Sort Merge Passes", "metric": "", "refId": "C", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_sort_scan{instance=\"$host\"}[$interval]) or irate(mysql_global_status_sort_scan{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Sort Scan", "metric": "", "refId": "D", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL 排序", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "慢查询的定义是比 ``long_query_time`` 所设置的值还要慢的查询，例如你把 ``long_query_time`` 的值设置为 3 ，那么需要超过 3 秒之后才能够完成的查询就是慢查询，这些查询会被统计到本图当中。", "editable": true, "error": false, "fill": 2, "grid": {}, "gridPos": { "h": 9, "w": 12, "x": 12, "y": 36 }, "id": 48, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "show": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_slow_queries{instance=\"$host\"}[$interval]) or irate(mysql_global_status_slow_queries{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "慢查询语句", "metric": "", "refId": "A", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL 慢查询", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "cumulative" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "label": "", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "label": "", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 45 }, "id": 387, "panels": [], "repeat": null, "title": "异常信息", "type": "row" }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "当某个客户端连接到 MySQL 时，连接异常中断，而 MySQL 会将该信息保存在异常表当中。\n\n如果没有连接异常的数量到达 ``max_connect_errors`` 的值，mysqld 将会假定有错误并且进一步阻止客户的进一步连接。如果要允许该客户端再次连接，需要执行 ``FLUSH HOSTS`` 命令。", "editable": true, "error": false, "fill": 2, "grid": {}, "gridPos": { "h": 7, "w": 12, "x": 0, "y": 46 }, "id": 47, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_aborted_connects{instance=\"$host\"}[$interval]) or irate(mysql_global_status_aborted_connects{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "异常中断的客户端 (尝试连接)", "metric": "", "refId": "A", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_aborted_clients{instance=\"$host\"}[$interval]) or irate(mysql_global_status_aborted_clients{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "异常中断的客户端 (超时)", "metric": "", "refId": "B", "step": 20, "target": "" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL 异常中断的连接", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "cumulative" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "label": "", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "label": "", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "MySQL 会因为不同的原因而使用各种锁，在这个统计图当中我们可以看到 MySQL 从存储引擎当中请求了多少个表级锁。\n\n在 InnoDB 作为存储引擎的情况下，很多时候锁其实是行锁，只会在某些特定的情况下，才会是表级锁。\n\n比较存货的锁与锁等待是非常有用的，如果锁等待正在上升，则表明您的锁有争用。否则的话，锁的波动是很正常的活动。", "editable": true, "error": false, "fill": 2, "grid": {}, "gridPos": { "h": 7, "w": 12, "x": 12, "y": 46 }, "id": 32, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "rightSide": false, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_table_locks_immediate{instance=\"$host\"}[$interval]) or irate(mysql_global_status_table_locks_immediate{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "锁", "metric": "", "refId": "A", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_table_locks_waited{instance=\"$host\"}[$interval]) or irate(mysql_global_status_table_locks_waited{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "锁等待", "metric": "", "refId": "B", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL 表锁定", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 53 }, "id": 388, "panels": [], "repeat": null, "title": "网络", "type": "row" }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "在这个统计图内部我们可以看到 MySQL 产生了多少网络流量。\n\n* 出站流量是 MySQL 发送的网络流量。\n* 入站流量是 MySQL 接收的网络流量。", "editable": true, "error": false, "fill": 6, "grid": {}, "gridPos": { "h": 7, "w": 12, "x": 0, "y": 54 }, "id": 9, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "rightSide": false, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": true, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_bytes_received{instance=\"$host\"}[$interval]) or irate(mysql_global_status_bytes_received{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "入站流量", "metric": "", "refId": "A", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_bytes_sent{instance=\"$host\"}[$interval]) or irate(mysql_global_status_bytes_sent{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "出站流量", "metric": "", "refId": "B", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL 网络流量", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "Bps", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "none", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": true, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "在这里你可以看到 MySQL 每小时生成了多少流量，并且通过柱状图你可以很直白的比较 MySQL 发送与接收的数据。", "editable": true, "error": false, "fill": 6, "grid": {}, "gridPos": { "h": 7, "w": 12, "x": 12, "y": 54 }, "height": "250px", "id": 381, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "rightSide": false, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": false, "linewidth": 2, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": true, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "increase(mysql_global_status_bytes_received{instance=\"$host\"}[1h])", "format": "time_series", "interval": "1h", "intervalFactor": 1, "legendFormat": "接收的数据", "metric": "", "refId": "A", "step": 3600 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "increase(mysql_global_status_bytes_sent{instance=\"$host\"}[1h])", "format": "time_series", "interval": "1h", "intervalFactor": 1, "legendFormat": "发送的数据", "metric": "", "refId": "B", "step": 3600 } ], "thresholds": [], "timeFrom": "24h", "timeRegions": [], "timeShift": null, "title": "MySQL 每小时的网络流量统计", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "bytes", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "none", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 61 }, "id": 389, "panels": [], "repeat": null, "title": "内存", "type": "row" }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 0, "description": "***系统内存***: 整个系统总的内存。\\\n***InnoDB 缓冲池数据***: InnoDB 维护了一个缓冲池的内存区域，用于在内存中缓存数据与索引。\\\n***TokuDB 缓存***: 与 InnoDB 缓冲池相似，TokuDB 会为自己缓存分配 50 % 的内存。\\\n***索引缓冲区***: MYISAM 表的索引块缓冲区大小，由所有线程共享，其 ``key_buffer_size`` 参数是用于配置其缓冲区大小的。。\\\n***自适应哈希索引***: 当 InnoDB 注意到某些索引值被非常频繁地访问时，它会在 B-Tree 索引之上的内存中为它们构建哈希索引。\\\n ***查询缓存***: 查询缓存存储 SELECT 语句与对应的查询结果。查询缓存存在巨大的可伸缩性问题，因为只有一个线程可以同时在查询缓存中执行操作。\\\n***InnoDB 字典***: 数据字典是 InnoDB 的内部表。 InnoDB 将数据字典存储在磁盘上，并在服务器运行时加载到内存中。\\\n***InnoDB 日志缓冲区***: MySQL InnoDB日志缓冲区允许事务运行，而无需在事务提交之前将日志写入磁盘。", "editable": true, "error": false, "fill": 6, "grid": {}, "gridPos": { "h": 7, "w": 24, "x": 0, "y": 62 }, "id": 50, "legend": { "alignAsTable": true, "avg": true, "current": false, "hideEmpty": true, "hideZero": true, "max": true, "min": true, "rightSide": true, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [ { "title": "Detailed descriptions about metrics", "type": "absolute", "url": "https://www.percona.com/doc/percona-monitoring-and-management/dashboard.mysql-overview.html#mysql-internal-memory-overview" } ], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "System Memory", "fill": 0, "stack": false } ], "spaceLength": 10, "stack": true, "steppedLine": false, "targets": [ { "expr": "node_memory_MemTotal_bytes{instance=\"$host\"}", "format": "time_series", "intervalFactor": 2, "legendFormat": "System Memory", "refId": "G", "step": 4 }, { "expr": "mysql_global_status_innodb_page_size{instance=\"$host\"} * on (instance) mysql_global_status_buffer_pool_pages{instance=\"$host\",state=\"data\"}", "format": "time_series", "hide": false, "interval": "$interval", "intervalFactor": 1, "legendFormat": "InnoDB 缓冲池数据", "refId": "A", "step": 20 }, { "expr": "mysql_global_variables_innodb_log_buffer_size{instance=\"$host\"}", "format": "time_series", "interval": "$interval", "intervalFactor": 1, 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"interval": "$interval", "intervalFactor": 1, "legendFormat": "自适应哈希索引", "refId": "E", "step": 20 }, { "expr": "mysql_global_variables_tokudb_cache_size{instance=\"$host\"}", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "TokuDB 缓存", "refId": "I", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL 内部内存使用总览", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "bytes", "label": "", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 69 }, "id": 390, "panels": [], "repeat": null, "title": "MySQL 内部统计", "type": "row" }, { 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"steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "topk(5, rate(mysql_global_status_commands_total{instance=\"$host\"}[$interval])>0) or topk(5, irate(mysql_global_status_commands_total{instance=\"$host\"}[5m])>0)", "format": "time_series", "hide": false, "interval": "$interval", "intervalFactor": 1, "legendFormat": "Com_{{ command }}", "metric": "", "refId": "B", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "执行命令排行", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": true, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "Com_{{xxx}} 用于表示 xxx 命令执行的次数。每种类型的语句都会有一个状态变量，例如 ``Com_delete`` 与 ``Com_update ``。\n\n而 ``Com_delete_multi`` 则与 ``Com_update_multi`` 类似，只是他们两个是用于多表的语法。", "editable": true, "error": false, "fill": 6, "grid": {}, "gridPos": { "h": 7, "w": 24, "x": 0, "y": 77 }, "id": 39, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "rightSide": true, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": false, "linewidth": 2, "links": [ { "dashboard": "https://dev.mysql.com/doc/refman/5.7/en/server-status-variables.html#statvar_Com_xxx", "title": "Server Status Variables (Com_xxx)", "type": "absolute", "url": "https://dev.mysql.com/doc/refman/5.7/en/server-status-variables.html#statvar_Com_xxx" } ], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": true, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "topk(5, increase(mysql_global_status_commands_total{instance=\"$host\"}[1h])>0)", "format": "time_series", "interval": "1h", "intervalFactor": 1, "legendFormat": "Com_{{ command }}", "metric": "", "refId": "A", "step": 3600 } ], "thresholds": [], "timeFrom": "24h", "timeRegions": [], "timeShift": null, "title": "每小时执行频率最高的命令", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": 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2, "grid": {}, "gridPos": { "h": 7, "w": 24, "x": 0, "y": 91 }, "id": 28, "legend": { "alignAsTable": true, "avg": true, "current": false, "hideZero": true, "max": true, "min": true, "rightSide": true, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_handlers_total{instance=\"$host\", handler=~\"commit|rollback|savepoint.*|prepare\"}[$interval]) or irate(mysql_global_status_handlers_total{instance=\"$host\", handler=~\"commit|rollback|savepoint.*|prepare\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "{{ handler }}", "metric": "", "refId": "A", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL 事务处理统计", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 98 }, "id": 392, "panels": [], "repeat": null, "title": "文件与数据表", "type": "row" }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "editable": true, "error": false, "fill": 2, "grid": {}, "gridPos": { "h": 7, "w": 12, "x": 0, "y": 99 }, "id": 43, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "rightSide": false, "show": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_opened_files{instance=\"$host\"}[$interval]) or irate(mysql_global_status_opened_files{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "正在打开的文件", "metric": "", "refId": "A", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL 读取文件统计", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "editable": true, "error": false, "fill": 2, "grid": {}, "gridPos": { "h": 7, "w": 12, "x": 12, "y": 99 }, "id": 41, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "rightSide": false, "show": true, "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "mysql_global_status_open_files{instance=\"$host\"}", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "MySQL 打开的文件数", "metric": "", "refId": "A", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "mysql_global_variables_open_files_limit{instance=\"$host\"}", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "允许最大打开的文件数", "metric": "", "refId": "D", "step": 20 }, { "expr": "mysql_global_status_innodb_num_open_files{instance=\"$host\"}", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "InnoDB 打开的文件数", "refId": "B", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL 打开的文件", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 106 }, "id": 393, "panels": [], "repeat": null, "title": "Table Openings", "type": "row" }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "**MySQL Table Open Cache Status**\n\nThe recommendation is to set the `table_open_cache_instances` to a loose correlation to virtual CPUs, keeping in mind that more instances means the cache is split more times. If you have a cache set to 500 but it has 10 instances, each cache will only have 50 cached.\n\nThe `table_definition_cache` and `table_open_cache` can be left as default as they are auto-sized MySQL 5.6 and above (ie: do not set them to any value).", "editable": true, "error": false, "fill": 2, "grid": {}, "gridPos": { "h": 7, "w": 12, "x": 0, "y": 107 }, "id": 44, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "rightSide": false, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [ { "title": "Server Status Variables (table_open_cache)", "type": "absolute", "url": "http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_table_open_cache" } ], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "Table Open Cache Hit Ratio", "yaxis": 2 } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "rate(mysql_global_status_opened_tables{instance=\"$host\"}[$interval]) or irate(mysql_global_status_opened_tables{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Openings", "metric": "", "refId": "A", "step": 20 }, { "expr": "rate(mysql_global_status_table_open_cache_hits{instance=\"$host\"}[$interval]) or irate(mysql_global_status_table_open_cache_hits{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Hits", "refId": "B", "step": 20 }, { "expr": "rate(mysql_global_status_table_open_cache_misses{instance=\"$host\"}[$interval]) or irate(mysql_global_status_table_open_cache_misses{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Misses", "refId": "C", "step": 20 }, { "expr": "rate(mysql_global_status_table_open_cache_overflows{instance=\"$host\"}[$interval]) or irate(mysql_global_status_table_open_cache_overflows{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Misses due to Overflows", "refId": "D", "step": 20 }, { "expr": "(rate(mysql_global_status_table_open_cache_hits{instance=\"$host\"}[$interval]) or irate(mysql_global_status_table_open_cache_hits{instance=\"$host\"}[5m]))/((rate(mysql_global_status_table_open_cache_hits{instance=\"$host\"}[$interval]) or irate(mysql_global_status_table_open_cache_hits{instance=\"$host\"}[5m]))+(rate(mysql_global_status_table_open_cache_misses{instance=\"$host\"}[$interval]) or irate(mysql_global_status_table_open_cache_misses{instance=\"$host\"}[5m])))", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Table Open Cache Hit Ratio", "refId": "E", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL Table Open Cache Status", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "percentunit", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "**MySQL Open Tables**\n\nThe recommendation is to set the `table_open_cache_instances` to a loose correlation to virtual CPUs, keeping in mind that more instances means the cache is split more times. If you have a cache set to 500 but it has 10 instances, each cache will only have 50 cached.\n\nThe `table_definition_cache` and `table_open_cache` can be left as default as they are auto-sized MySQL 5.6 and above (ie: do not set them to any value).", "editable": true, "error": false, "fill": 2, "grid": {}, "gridPos": { "h": 7, "w": 12, "x": 12, "y": 107 }, "id": 42, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "rightSide": false, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [ { "title": "Server Status Variables (table_open_cache)", "type": "absolute", "url": "http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_table_open_cache" } ], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "mysql_global_status_open_tables{instance=\"$host\"}", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Open Tables", "metric": "", "refId": "B", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "mysql_global_variables_table_open_cache{instance=\"$host\"}", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Table Open Cache", "metric": "", "refId": "C", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL Open Tables", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "collapsed": false, "gridPos": { "h": 1, "w": 24, "x": 0, "y": 114 }, "id": 394, "panels": [], "repeat": null, "title": "MySQL Table Definition Cache", "type": "row" }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "192.0.2.10:8836", "decimals": 2, "description": "**MySQL Table Definition Cache**\n\nThe recommendation is to set the `table_open_cache_instances` to a loose correlation to virtual CPUs, keeping in mind that more instances means the cache is split more times. If you have a cache set to 500 but it has 10 instances, each cache will only have 50 cached.\n\nThe `table_definition_cache` and `table_open_cache` can be left as default as they are auto-sized MySQL 5.6 and above (ie: do not set them to any value).", "editable": true, "error": false, "fill": 2, "grid": {}, "gridPos": { "h": 8, "w": 24, "x": 0, "y": 115 }, "id": 54, "legend": { "alignAsTable": true, "avg": true, "current": false, "max": true, "min": true, "rightSide": false, "show": true, "sort": "avg", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 2, "links": [ { "title": "Server Status Variables (table_open_cache)", "type": "absolute", "url": "http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.html#sysvar_table_open_cache" } ], "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "Opened Table Definitions", "yaxis": 2 } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "mysql_global_status_open_table_definitions{instance=\"$host\"}", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Open Table Definitions", "metric": "", "refId": "B", "step": 20 }, { "calculatedInterval": "2m", "datasourceErrors": {}, "errors": {}, "expr": "mysql_global_variables_table_definition_cache{instance=\"$host\"}", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Table Definitions Cache Size", "metric": "", "refId": "C", "step": 20 }, { "expr": "rate(mysql_global_status_opened_table_definitions{instance=\"$host\"}[$interval]) or irate(mysql_global_status_opened_table_definitions{instance=\"$host\"}[5m])", "format": "time_series", "interval": "$interval", "intervalFactor": 1, "legendFormat": "Opened Table Definitions", "refId": "A", "step": 20 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "MySQL Table Definition Cache", "tooltip": { "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true }, { "format": "short", "logBase": 1, "max": null, "min": 0, "show": true } ], "yaxis": { "align": false, "alignLevel": null } } ], "refresh": "1m", "schemaVersion": 16, "style": "dark", "tags": [ "Percona", "MySQL" ], "templating": { "list": [ { "allFormat": "glob", "auto": true, "auto_count": 200, "auto_min": "1s", "current": { "text": "auto", "value": "$__auto_interval_interval" }, "datasource": "192.0.2.10:8836", "hide": 0, "includeAll": false, "label": "Interval", "multi": false, "multiFormat": "glob", "name": "interval", "options": [ { "selected": true, "text": "auto", "value": "$__auto_interval_interval" }, { "selected": false, "text": "1s", "value": "1s" }, { "selected": false, "text": "5s", "value": "5s" }, { "selected": false, "text": "1m", "value": "1m" }, { "selected": false, "text": "5m", "value": "5m" }, { "selected": false, "text": "1h", "value": "1h" }, { "selected": false, "text": "6h", "value": "6h" }, { "selected": false, "text": "1d", "value": "1d" } ], "query": "1s,5s,1m,5m,1h,6h,1d", "refresh": 2, "skipUrlSync": false, "type": "interval" }, { "allFormat": "glob", "allValue": null, "current": { "text": "192.0.2.10:8836", "value": "192.0.2.10:8836" }, "datasource": "192.0.2.10:8836", "definition": "", "hide": 0, "includeAll": false, "label": "Host", "multi": false, "multiFormat": "regex values", "name": "host", "options": [], "query": "label_values(mysql_up, instance)", "refresh": 1, "refresh_on_load": false, "regex": "", "skipUrlSync": false, "sort": 1, "tagValuesQuery": null, "tags": [], "tagsQuery": null, "type": "query", "useTags": false } ] }, "time": { "from": "now-12h", "to": "now" }, "timepicker": { "collapse": false, "enable": true, "hidden": false, "notice": false, "now": true, "refresh_intervals": [ "5s", "10s", "30s", "1m", "5m", "15m", "30m", "1h", "2h", "1d" ], "status": "Stable", "time_options": [ "5m", "15m", "1h", "6h", "12h", "24h", "2d", "7d", "30d" ], "type": "timepicker" }, "timezone": "browser", "title": "MySQL 详细统计", "uid": "MQWgroiiz", "version": 9 }