How to Escape the I/O HellRRDtool Caching Daemon How to Escape the I/O Hell Sebastian “tokkee” Harl <tokkee@debian.org> Debian RRDtool Team OSMC 2010 October 6, 2010 About RRDCacheD? How to Escape the I/O Hell — Sebastian “tokkee” Harl — 2 / 36 RRDCacheD = RRDtool Caching Daemon meant for large setups to solve I/O-related problems In short: 1. “intercept” RRD updates 2. accumulate data 3. write accumulated data to disk at
