I need extract a field from log file, then take this field to query DB (or redis or whatever a service I write), then add this result as a new field.
which filter should I use? or I have to write my own plugin?
The new jdbc_streaming filter is probably the best option.
Thank you Magnus， after some dig around, I decide to use translate filter, the dictionary file which translate need, I will write a service watch db change, then generate period.
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