Elasticache是AWS的一种云服务,是一种让用户能够在云中轻松部署、操作和扩展内存缓存的 Web 服务,可自动检测和更换出现故障的缓存节点,从而降低自我管理型基础设施的日常费用,支持Memcached和Redis两种存储引擎。
目前我们采用InfluxDB+Telegraf+Grafana监控来实现对Redis的监控,最终效果图如下所示
InfluxDB主要用于存储数据,Telegraf负责收集Redis的运行数据,并将数据存储到InfluxDB中,Grafana从InfluxDB中取出redis的运行数据,并结合各种仪表盘展示出来,最终效果如下所示
该dashboard的json数据格式
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12, "x": 0, "y": 38 }, "hiddenSeries": false, "id": 25, "legend": { "alignAsTable": true, "avg": false, "current": true, "max": false, "min": false, "rightSide": true, "show": true, "sort": null, "sortDesc": null, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "dataLinks": [] }, "percentage": false, "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [ { "alias": "/Input: /", "transform": "negative-Y" } ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "alias": "Input: $tag_server", "groupBy": [ { "params": [ "$__interval" ], "type": "time" }, { "params": [ "server" ], "type": "tag" }, { "params": [ "null" ], "type": "fill" } ], "measurement": "redis", "orderByTime": "ASC", "policy": "autogen", "refId": "A", "resultFormat": "time_series", "select": [ [ { "params": [ "instantaneous_input_kbps" ], "type": "field" }, { "params": [], "type": "last" } ] ], "tags": [] }, { "alias": "Output: $tag_server", "groupBy": [ { "params": [ "$__interval" ], "type": "time" }, { "params": [ "server" ], "type": "tag" }, { "params": [ "null" ], "type": "fill" } ], "measurement": "redis", "orderByTime": "ASC", "policy": "autogen", "refId": "B", "resultFormat": "time_series", "select": [ [ { "params": [ "instantaneous_output_kbps" ], "type": "field" }, { "params": [], "type": "last" } ] ], "tags": [] } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Redis Network Input/Output(kbps)", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "Kbits", "label": "Input / Output", "logBase": 1, "max": null, "min": null, "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "Redis_InfluxDB", "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 38 }, "hiddenSeries": false, "id": 27, "legend": { "alignAsTable": true, "avg": false, "current": true, "max": false, "min": false, "rightSide": true, "show": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "dataLinks": [] }, "percentage": false, "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "alias": "$tag_server", "groupBy": [ { "params": [ "$__interval" ], "type": "time" }, { "params": [ "server" ], "type": "tag" }, { "params": [ "null" ], "type": "fill" } ], "measurement": "redis", "orderByTime": "ASC", "policy": "autogen", "refId": "A", "resultFormat": "time_series", "select": [ [ { "params": [ "expired_keys" ], "type": "field" }, { "params": [], "type": "last" } ] ], "tags": [] } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Redis expired Keys", "tooltip": { "shared": true, "sort": 0, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "none", "label": null, "logBase": 1, "max": null, "min": null, "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ], "yaxis": { "align": false, "alignLevel": null } } ], "refresh": false, "schemaVersion": 22, "style": "dark", "tags": [], "templating": { "list": [] }, "time": { "from": "now-6h", "to": "now" }, "timepicker": { "refresh_intervals": [ "5s", "10s", "30s", "1m", "5m", "15m", "30m", "1h", "2h", "1d" ] }, "timezone": "", "title": "us-east-1", "uid": "esRTxvqWk", "variables": { "list": [] }, "version": 95 }
一. 安装Telegraf
1.安装
$ mkdir /usr/local/telegraf $ cd /usr/local/telegraf $ wget https://dl.influxdata.com/telegraf/releases/telegraf-1.14.2_linux_amd64.tar.gz $ tar -zxf telegraf-1.14.2_linux_amd64.tar.gz $ mv telegraf/* . $ ls -lh total 12K drwxr-xr-x 4 tnuser appuser 4.0K Apr 14 14:18 etc drwxr-xr-x 4 tnuser appuser 4.0K Apr 14 14:18 usr drwxr-xr-x 3 tnuser appuser 4.0K Apr 14 14:18 var
2.配置
$ cat etc/telegraf/telegraf.conf [[outputs.influxdb]] urls = ["http://127.0.0.1:8086"] database = "elasticache_us_east_1" skip_database_creation = false [[inputs.redis]] servers = ["tcp://ec1-userredis.mypna.com:6379","tcp://ec1-userredis-b.mypna.com:6379","tcp://ec1-userfavoriteredis.mypna.com:6379"]
3.启动
$ cd usr/bin/
$ ./telegraf --config /usr/local/telegraf/etc/telegraf/telegraf.conf --input-filter redis
二.安装Grafana
参考另一篇博客
https://www.cnblogs.com/ilifeilong/p/10543876.html
三. 安装InfluxDB
参考另一篇博客
https://www.cnblogs.com/ilifeilong/p/12731327.html
四. 配置Grafana
1. 配置数据源
2.新建dashborad并配置panel,下面列出每种panel对应的json元数据
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{ "datasource": "Redis_InfluxDB", "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "fill": 1, "fillGradient": 0, "gridPos": { "h": 7, "w": 12, "x": 12, "y": 0 }, "hiddenSeries": false, "id": 12, "legend": { "alignAsTable": true, "avg": false, "current": true, "max": true, "min": false, "rightSide": true, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "dataLinks": [] }, "percentage": false, "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "alias": "$tag_server", "groupBy": [ { "params": [ "$__interval" ], "type": "time" }, { "params": [ "server" ], "type": "tag" }, { "params": [ "null" ], "type": "fill" } ], "measurement": "redis", "orderByTime": "ASC", "policy": "autogen", "refId": "A", "resultFormat": "time_series", "select": [ [ { "params": [ "clients" ], "type": "field" }, { "params": [], "type": "last" } ] ], "tags": [] } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Redis Connected Clients", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "none", "label": null, "logBase": 1, "max": null, "min": null, "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }
{ "datasource": "Redis_InfluxDB", "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "fill": 1, "fillGradient": 0, "gridPos": { "h": 7, "w": 12, "x": 0, "y": 7 }, "hiddenSeries": false, "id": 4, "legend": { "alignAsTable": true, "avg": false, "current": true, "max": false, "min": false, "rightSide": true, "show": true, "sort": "current", "sortDesc": true, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "dataLinks": [] }, "percentage": false, "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "alias": "$tag_server: $tag_database", "groupBy": [ { "params": [ "$__interval" ], "type": "time" }, { "params": [ "database" ], "type": "tag" }, { "params": [ "server" ], "type": "tag" } ], "measurement": "redis_keyspace", "orderByTime": "ASC", "policy": "autogen", "refId": "A", "resultFormat": "time_series", "select": [ [ { "params": [ "keys" ], "type": "field" }, { "params": [], "type": "last" } ] ], "tags": [] } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Redis Database Keys", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "none", "label": null, "logBase": 1, "max": null, "min": null, "show": true }, { "format": "none", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }
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{ "datasource": "Redis_InfluxDB", "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "fill": 1, "fillGradient": 0, "gridPos": { "h": 8, "w": 12, "x": 12, "y": 14 }, "hiddenSeries": false, "id": 8, "legend": { "alignAsTable": true, "avg": false, "current": true, "max": false, "min": false, "rightSide": true, "show": true, "sort": null, "sortDesc": null, "total": false, "values": true }, "lines": true, "linewidth": 1, "nullPointMode": "null", "options": { "dataLinks": [] }, "percentage": false, "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { "alias": "Hits: $tag_server", "groupBy": [ { "params": [ "$__interval" ], "type": "time" }, { "params": [ "server" ], "type": "tag" }, { "params": [ "null" ], "type": "fill" } ], "measurement": "redis", "orderByTime": "ASC", "policy": "autogen", "refId": "A", "resultFormat": "time_series", "select": [ [ { "params": [ "keyspace_hits" ], "type": "field" }, { "params": [], "type": "last" } ] ], "tags": [] }, { "alias": "Misses: $tag_server", "groupBy": [ { "params": [ "$__interval" ], "type": "time" }, { "params": [ "server" ], "type": "tag" }, { "params": [ "null" ], "type": "fill" } ], "measurement": "redis", "orderByTime": "ASC", "policy": "autogen", "refId": "B", "resultFormat": "time_series", "select": [ [ { "params": [ "keyspace_misses" ], "type": "field" }, { "params": [], "type": "last" } ] ], "tags": [] } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, "title": "Redis Hits/Misses", "tooltip": { "shared": true, "sort": 2, "value_type": "individual" }, "type": "graph", "xaxis": { "buckets": null, "mode": "time", "name": null, "show": true, "values": [] }, "yaxes": [ { "format": "none", "label": null, "logBase": 1, "max": null, "min": null, "show": true }, { "format": "short", "label": null, "logBase": 1, "max": null, "min": null, "show": true } ], "yaxis": { "align": false, "alignLevel": null } }
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