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Managing a Stream’s Sampling Interval
A stream’s sampling interval is the rate at which the Wavelet samples the relevant sensor for data. For example, a
sampling interval of 5 minutes means that the Wavelet samples the sensor every 5 minutes.
Ayyeka provides two default sampling interval values, called Sample Group 1 and Sample Group 2. Each stream, by
default, is a member either of Sample Group 1 or of Sample Group 2. In this way, each stream is given a sampling
interval value. The Sample Group 1 value and the Sample Group 2 value can be viewed and changed, as described
below. Ayyeka also provides a third option, which is to disassociate a stream from both sample groups, and assign
it a custom value instead.
Thus, a stream’s sampling interval can be set to any of the following:
The value of Sample Group 1. This value applies to all steams associated with Sample Group 1.
The value of Sample Group 2. This value applies to all steams associated with Sample Group 2.
A custom value, that applies to the specific stream only.
To find out a given stream’s sampling interval, refer to Discovering a Stream’s Sampling Interval Value.
To set a given stream’s sampling interval, you need to:
1. Find out whether the stream is associated with Sample Group 1 or Sample Group 2, or with neither of
them. Refer to Discovering a Stream’s Association with a Sample Group.
If the stream is associated with one of the groups – you can set the sampling interval of that group.
Note however that the value you set determines the sampling interval for all streams associated
with that group. Refer to Setting the Sampling Interval Value of a Sample Group.
If the stream is associated with neither of the groups – its sampling interval is a custom value. You
can change the stream’s custom sampling interval, and this will affect the specific stream only. Refer
to Setting a Stream’s Custom Sampling Interval Value.
2. In addition, you can change a stream’s association with the sample groups. That is, whatever its current
association, you can set a stream to be associated with Sample Group 1, or with Sample Group 2, or with
neither of them (and therefore its sampling interval is a custom value). Refer to Changing a Stream’s
Association with the Sample Groups.
Discovering a Stream’s Sampling Interval Value
To find out a stream’s sampling interval value:
1. Click Devices in the sidebar.
2. In the Sites Tree pane, click the device name.
3. In the right pane, click the Configuration tab.
The Stream Management table is displayed.
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