pcp
pcp copied to clipboard
performancecopilot
Performance Co-Pilot
I have about 30 VMs with CentOS 7 kernel v. 3.10.0-1160.42.2.el7.x86_64 and PCP version 5.3.5-1.x86_64 installed, core PMDAs only: ``` root 1 pipe binary /var/lib/pcp/pmdas/root/pmdaroot pmcd 2 dso pmcd_init /var/lib/pcp/pmdas/pmcd/pmda_pmcd.so...
The issue has arisen in the context of performance analysis in computing clusters (e.g. [XDMoD](https://supremm.xdmod.org/10.0/supremm-compute-pcp.html)), although the issue is more general than just computing clusters. In these environments there are...
Layered on top of PR https://github.com/performancecopilot/pcp/pull/1586. The addition of the `-u` option support is delivered in one commit, and the ability to emit multiple reports is added in a second...
The `maxmemory` and `maxmemory-policy: volatile-ttl` are interesting Redis configuration options which should be tested and explained in the scaling guidelines.
Does Debian automatically add dependencies on the libraries used for building? E.g. at runtime we need `libbpf0` and `libelf1`, but in the `control.pcp` and `fixcontrol` I only see the development...
This is preventing full conversion of tools like pmval and pmstat to using nanosecond precision timestamps throughout.
pmproxy segfaulted ~ 3 mins after pmlogger_daily started. System was running 201 pmloggers at the time, processing tens of thousands of redis requests/second. THis same configuration worked in yesterdays log-roll....
26GB pmproxy.log file on disk. Filled with lines like: ``` [Sun Jan 30 16:35:33] pmproxy(2388513) Error: SADD pcp:series:label.X.value:Y Redis reply error: MISCONF Redis is configured to save RDB snapshots, but...