Differences

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--- historical_graphs [2018/12/26 11:39] – [Historical graphs] emozolyak
+++ historical_graphs [2021/03/22 16:15] – [Log data size considerations] emozolyak
@@ Line 56: / Line 56: @@
 ==== Log data size considerations ====
+By **log** it is considered all the data, that accumulates on the device, such as:
+events log, event's registers log, meter's log, register's graph log, register's log and so on.
 The log depth can be adjusted in the Setup / Settings menu:
@@ Line 62: / Line 65: @@
 Theoretically, the volume of the archive is limited only by the size of the flash card.
-In practice, when the archive size is increased by more than 300MB, the 'response time' in the interface when working with WebHMI can increase and affect the comfort of the user's work. It should be said that storing large amounts of data is not the target application of the device, although it allows it to do so. These graphs should be used during the research stage of the monitoring object, keep the archive for analysis of certain situations (which after use can be deleted), etc. For long-term storage of a large amount of monitoring data, it is recommended to use a special server - fetching log data via the API or the Level2 cloud server option.
+It should be said that storing large amounts of data is not the target application of the device, although it allows it to do so. For the big amount of monitoring data, it is recommended to take care of data redundancy and use a special server which fetches log data via the API to the DB or the Level2 cloud server option.