Example
You are planning on using a period of around 2 months: You have calculated a mean value of
750 archive values/s for TagLogging Fast.
● The maximum size for all segments is calculated as follows:
– Where a memory requirement of 16 bytes per measured value is assumed:
approx. 60 GB
(750 archive values/s * 16 bytes/value * 60 s/min * 60 min/h * 24 h/day * 31 days/month
* 2 months)
– Where a memory requirement of 6 bytes per measured value is assumed:
approx. 22 GB
(750 archive values/s * 6 bytes/value * 60 s/min * 60 min/h * 24 h/day * 31 days/month
* 2 months)
In our example, we have selected 30 GB.
● The following is calculated for a single segment per day:
– Where a memory requirement of 16 bytes per measured value is assumed:
approx. 1 GB
(750 archive values/s * 16 bytes/value * 60 s/min * 60 min/h * 24 h/day * 1 day)
– Where a memory requirement of 6 bytes per measured value is assumed:
approx. 370 MB
(750 archive values/s * 6 bytes/value * 60 s/min * 60 min/h * 24 h/day * 1 day)
In our example, we have selected 600 MB.
You must then make the following corresponding settings in the "TagLogging Fast"
configuration of the "TagLogging" editor:
Configuring OS functions
10.4 Archiving
Compendium Part A - Configuration Guidelines (V8.2)
254 Configuration Manual, 08/2016, A5E38166869-AA
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