Cache and DNS : not taken into account?

Graylog Central (peer support)
1

Hello,
I try to have a very small TTL for my DNS data adapter entries :

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But it seems it’s not taken into account : when I have a missing entrie, it stays a long time in cache, and when I query the lookup table I see a TTL of 10000 :

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Is there something I’m missing ?

Thx a lot.

Graylog 5.2.4 (Docker) on Debian.

2

Hello,
Still having issues with these DNS queries: for years I had no trouble performing nslookups in my pipelines, but recently DNS resolution fails about half the time: it’s OK for a few hours, then not OK for a few hours. I’m not sure what to do anymore, this doesn’t seem to be related to our DNS being down. As a result, my data is being ingested without the correct information. Could there be a bug in 5.2.4 regarding this? I don’t see anything related in the changelog.