Hello everyone, I'm a newbie, so please be gentle.
We are using Amazon Linux 2. Our configuration has a Universal Forwarder co-hosted with a Jenkins controller node. The UF is monitoring the log directories of the Jenkins host, and forwarding certain logs that match a directory traversal pattern. There are thousands of files in the log directories, but the system was working fine until...
On or about 19th June 2023, the host executed one of its regular 'yum update' cron jobs, after which point all the log files stopped flowing from the host to our Heavy Forwarder.
We have done thorough investigation, and there are no symptoms coming from Amazon Cloudwatch that any of the hosts or networking links involved are remotely troubled by machine load. Similarly, looking directly at netstat output doesn't imply the network is clogged.
My question is, "Has anyone else had their Splunk environment go bad recently due to a recent yum update?"
Hope someone can help,
Mike
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