To preserve tags across aggregation operations like sum and mean you need
to group by those tags
stream
|from()
.database('monitor')
.measurement('system_memory')
.where(lambda: "host" == 'dev1' AND "type_instance" ==
'memory.used')
.groupBy('tag1', 'tag2')
On Friday, September 23, 2016 at 3:42:58 AM UTC-6, guotao Yao wrote:
>
> Hi,
> @nathaniel Thanks very much.
>
> I find out some issues when use the mean function or sum funciton, alert
> is ok, but the trigger events output to influxdb may loss some tags.
>
> My tick script:
> stream
> |from()
> .database('monitor')
> .measurement('system_memory')
> .where(lambda: "host" == 'dev1' AND "type_instance" ==
> 'memory.used')
> |window()
> .period(1m)
> .every(1m)
> |mean('value')
> .as('value')
> |window()
> .period(2m)
> .every(2m)
> |alert()
> .id('{{index .Tags "host"}}.{{index .Tags "instance"}}')
> .message('{{.TaskName}}')
> .crit(lambda: "value" >= float(4200))
> .all()
> .levelTag('level')
> .stateChangesOnly()
> .log('/tmp/memoty-alert.log')
> |influxDBOut()
> .database('monitor')
> .measurement('triggers_system')
> .tag('id', 'memory-used-too-high')
>
> Influxdb data:(use mean function) (I want get tags, e.g. 'type_instance',
> 'unit', 'host' .etc)
> time host
> id level
> type_instance unit value
> 2016-09-23T08:46:30Z
> memory-used-too-high
> CRITICAL 6134.3671875
> 2016-09-23T08:44:30Z
> memory-used-too-high
> CRITICAL 6131.887890625
>
>
> When I use max function: (the data in Influxdb are OK)
> time host
> id level type_instance
> unit value
> 2016-09-23T09:03:40Z dev1
> memory-used-too-high CRITICAL memory.used MB
> 6123.87109375
> 2016-09-23T09:02:40Z dev1
> memory-used-too-high CRITICAL memory.used MB
> 6136.53125
>
> [NOTE]: function of sum also have this issue.
>
> Did I do something wrong??
>
> 在 2016-09-23 02:16:52，nath...@influxdb.com <javascript:> 写道：
>
>
> Three consecutive times means for 6 minutes total so:
>
> stream
> |from()
> .measurement('m')
> |window()
> .period(2m)
> .every(2m)
> |max('value')
> |window()
> .period(6m)
> .every(6m)
> |alert()
> .crit(lambda: "max" >= threshold)
> // mark that all points need to match the criteria
> // in order to trigger the alert.
> .all()
>
>
>
> On Thursday, September 22, 2016 at 2:54:22 AM UTC-6, guotao Yao wrote:
>>
>>
>> I have a scenario like the next:
>> Evaluate the max value every 2 minutes, if the max value greater than a
>> threshold three consecutive times, alert will be triggered.
>>
>> How can I write the tick script?
>>
>> Thanks!
>>
>>
>> 在 2016年9月21日星期三 UTC+8下午10:49:09，nath...@influxdb.com写道：
>>>
>>> All data that is within the time now - period will be emitted into the
>>> pipeline. This means data can be emitted more than once if the period is
>>> longer than every.
>>>
>>> On Wednesday, September 21, 2016 at 12:08:02 AM UTC-6, guotao Yao wrote:
>>>>
>>>> Hi all,
>>>>
>>>> I have some confusions when I use kapacitor window node,
>>>>
>>>> 1. the every property define how ofen the data is emitted into the
>>>> pipeline.
>>>> But, I want to know whether all data during the time will be
>>>> emitted into the pipeline, or is it just a data will be emitted into
>>>> the pipeline.
>>>>
>>>>
>>>> Thanks!
>>>>
>>> --
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