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Data offload configuration

Solved995 views15th December 2023Offload MySQL Offload rate
1
Elvio Mendes398 17th April 2023 0 Comments

What is the best offload interval for data offload of the alarms to a MySQL DB? the default is 5 minutes, however, we can do much faster or much slower.

For the case of 5 minutes interval, would the system take the difference at every 5 minutes boundary, or it offloads retrospectively every transaction recorded at any time for the past 5 minutes?

The goal is to ensure that no alarm is missed, even if the duration is only 1 second before it clears.

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 15th December 2023

1 Answer

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Marlies Vandenberghe [SLC] [DevOps Member]2.97K Posted 18th April 2023 2 Comments

Hi Elvio,

i assume we are talking about a MySQL Central Database? As described here?

Offload database | DataMiner Docs

We will indeed push all data into the database unrelated to the time you push the data

You can find more details here:

How DataMiner offloads data | DataMiner Docs
As a summary, we push all alarms into a csv file and then make an insert query on the central database, this happens every 5 min

If we are not talking about large volumes (<3k alarms / hour) i would recommend to keep the standard settings enabled

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 15th December 2023
Elvio Mendes commented 19th April 2023

In some cases we have thousands of alarms in 5 minutes, on that case, would it be better reducing the rate to 1 minute?

Marieke Goethals [SLC] [DevOps Catalyst] commented 15th December 2023

I’ve checked with the data core team for this, and they said it depends on whether performance is sufficient as it is. If you notice that offload files are becoming too large or cumbersome, it’s a good idea to reduce the offload rate, but otherwise this is not necessary.

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