HAProxy version 2.8.5-aaba8d0 2023/12/07 - https://haproxy.org/
Column headers:
- ST=<0|1> (server-template disabled=0, enabled=1)
- Tn (Number of Threads)
- RSS (Memory usage in MB)
I have been collecting memory usage data for HAProxy's server-template feature, where the range is 0..N - this is the ST=1 column.