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dns warnings in PXC pods when using haproxy

Description

When using haproxy in the PXC pod we can see messages like this flooding logs:

2020-07-24T10:13:19.071774Z 1181 [Warning] [MY-010055] [Server] IP address '10.48.0.23' could not be resolved: Name or service not known 2020-07-24T10:13:19.486537Z 1182 [Warning] [MY-010055] [Server] IP address '10.48.1.20' could not be resolved: Name or service not known 2020-07-24T10:13:19.569684Z 1183 [Warning] [MY-010055] [Server] IP address '10.48.2.17' could not be resolved: Name or service not known

these are IP's from haproxy pods so it seems that reverse lookup is not working.

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Artur Gadelshin October 28, 2020 at 12:37 PM

indeed, we use 5.7. It makes sense, thank you, we can suppress it on log collecting stage.

Tomislav Plavcic October 28, 2020 at 12:04 PM

Hi ! Which PXC version are you using? Asking because this was only fixed for 8.0 which supports "log_error_suppression_list" variable which is not available in 5.7.

Artur Gadelshin October 28, 2020 at 11:49 AM

Hi there. We updated PXC operator and cluster to use 1.6.0 but warning is still present in logs

IP address '10.0.65.52' could not be resolved: Name or service not known

 

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Created July 24, 2020 at 10:21 AM
Updated March 5, 2024 at 6:11 PM
Resolved September 25, 2020 at 2:06 PM

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