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== Queries == === Show === <source lang=bash> > use mydb Using database mydb > show series key --- cpu,host=serverA,region=us_west cpu_load_short,host=server01,region=us-west > show tag keys name: cpu tagKey ------ host region name: cpu_load_short tagKey ------ host region > show tag keys from cpu name: cpu tagKey ------ host region > show field keys name: cpu fieldKey fieldType -------- --------- value float name: cpu_load_short fieldKey fieldType -------- --------- value float > show field keys from cpu name: cpu fieldKey fieldType -------- --------- value float </source> A real example: <source lang=bash> > use telegraf Using database telegraf > show series key --- cpu,cpu=cpu-total,host=jackslab cpu,cpu=cpu0,host=jackslab cpu,cpu=cpu1,host=jackslab disk,device=rootfs,fstype=rootfs,host=jackslab,path=/ disk,device=sdb1,fstype=ext4,host=jackslab,path=/ disk,device=sdb2,fstype=ext4,host=jackslab,path=/work disk,device=sdb4,fstype=vfat,host=jackslab,path=/data diskio,host=jackslab,name=sda diskio,host=jackslab,name=sda1 diskio,host=jackslab,name=sda2 diskio,host=jackslab,name=sda5 diskio,host=jackslab,name=sdb diskio,host=jackslab,name=sdb1 diskio,host=jackslab,name=sdb2 diskio,host=jackslab,name=sdb3 diskio,host=jackslab,name=sdb4 kernel,host=jackslab mem,host=jackslab net,host=jackslab,interface=all net,host=jackslab,interface=wlan0 netstat,host=jackslab nstat,host=jackslab,name=netstat nstat,host=jackslab,name=snmp nstat,host=jackslab,name=snmp6 processes,host=jackslab swap,host=jackslab system,host=jackslab > show measurements name: measurements name ---- cpu disk diskio kernel mem net netstat nstat processes swap system > show field keys from mem name: mem fieldKey fieldType -------- --------- active integer available integer available_percent float buffered integer cached integer free integer inactive integer total integer used integer used_percent float > show tag keys from mem name: mem tagKey ------ host </source> <source lang=bash> $ curl -GET 'http://raspberrypi:8086/query?pretty=true' \ --data-urlencode "db=mydb" --data-urlencode \ "q=SELECT \"value\" FROM \"cpu_load_short\" WHERE \"region\"='us-west'" \ | jq '.results[0].series' </source> <br><br>
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