Re: Streamlining TC management and operations sequences

2017-02-02 Thread Nir Sopher
I also opened TC-130 - Streamlining TC management and operations sequences <https://issues.apache.org/jira/browse/TC-130> to further monitor the issue. Would appreciate community inputs about the issue, especially discussing the PROs and CONs of the 2 different approaches: Traffic Ops orchestrated so

Re: Streamlining TC management and operations sequences

2017-02-01 Thread Eric Friedrich (efriedri)
Hey Nir- Interesting thought for sure. Would TM “health changes” (loss of connectivity, BW/loadavg too high) change the generation count? It seems like the answer is Yes, because the health of a cache impacts the state of the consistent hash ring. If so, how do these generation changes get

Re: Streamlining TC management and operations sequences

2017-02-01 Thread Nir Sopher
Hi Eric, Formalizing the approach you suggested, one may introduce the concept of a delivery-service configuration "generation" which would be an ordinal identifier for the a delivery service configuration. A "generation" changes whenever the remap rule changes or the consistent hash mapping of