Using Common Expression Language (CEL) in... a Metrics Exporter for LDAP
Use the Common Expression Language (CEL) to allow user-friendly flexible policy rules. Show this with YAML to group/filter data to expose as metrics.
Programming
Reimplementation of Learning :: a Python to Go Retrospective
PoC coding and reimplementation of Python and Go for metrics and log parsing using an example of 389 Directory Service.
Use Getent Hosts in Scripts
It is common practice to use tools like ‘dig’ to lookup DNS results, but this has very bad performance. If you just need to lookup a name or address, there’s an easier, friendly way.
NFS Lock Analysis with tshark (Wireshark) and Python
NFS locking can impede the performance of your clustered application. Learn how to capture and analyse NFS traffic to see where your locking issues are.