jm + netflixoss   1

The "sidecar" pattern
Ha, great name. We use this (in the form of Smartstack).
For what it is worth, we faced a similar challenge in earlier services (mostly due to existing C/C++ applications) and we created what was called a "sidecar".  By sidecar, what I mean is a second process on each node/instance that did Cloud Service Fabric operations on behalf of the main process (the side-managed process).  Unfortunately those sidecars all went off and created one-offs for their particular service.  In this post, I'll describe a more general sidecar that doesn't force users to have these one-offs.

Sidenote:  For those not familiar with sidecars, think of the motorcycle sidecar below.  Snoopy would be the main process with Woodstock being the sidecar process.  The main work on the instance would be the motorcycle (say serving your users' REST requests).  The operational control is the sidecar (say serving health checks and management plane requests of the operational platform).
netflix  sidecars  architecture  patterns  smartstack  netflixoss  microservices  soa 
august 2014 by jm

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