Rockwell Automation 1756-HIST2G FactoryTalk Historian ME 2.2 - Manual (Page 288)

F ACTORY T ALK H ISTORIAN ME M ODULE U SER G UIDE
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Use the table below to estimate performance impact. Note that Compression and
Exception Filtering data storage information in this table is an estimate. Actual
compressed data storage ranges will vary with the volatility of the data collected.
To calculate the total events per second, tags divided by the scan rate have to be
summed up per scan class for the module:
Sample Application
Estimate
1GB Module 2GB Module
2500 events per second without
Compression or Exception Filtering
4 hours 14 hours
2500 events per second with Compression
and Exception Filtering
1 day 3 days
500 events per second with Compression
and Exception Filtering
5 days 2 weeks
100 events per second with Compression
and Exception Filtering
1 month 3 months
2500 events per minute without
Compression or Exception Filtering
10 days 1 month
2500 events per minute with Compression
and Exception Filtering
2 months 6 months
500 events per minute with Compression
and Exception Filtering
10 months 2.5 years
100 events per minute with Compression
and Exception Filtering
4 years 10+ years