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| author | Jon Bratseth <bratseth@yahoo-inc.com> | 2016-06-15 23:09:44 +0200 |
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| committer | Jon Bratseth <bratseth@yahoo-inc.com> | 2016-06-15 23:09:44 +0200 |
| commit | 72231250ed81e10d66bfe70701e64fa5fe50f712 (patch) | |
| tree | 2728bba1131a6f6e5bdf95afec7d7ff9358dac50 /orchestrator/README.md | |
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| -rw-r--r-- | orchestrator/README.md | 10 |
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diff --git a/orchestrator/README.md b/orchestrator/README.md new file mode 100644 index 00000000000..455bd265fcc --- /dev/null +++ b/orchestrator/README.md @@ -0,0 +1,10 @@ +# Orchestrator, a.k.a. Maestro +A service to facilitate safe and staggered restart and upgrades of services in a Vespa instance. +It uses consolidated information from Slobrok and the application model to decide if a hosts +should be allowed to stop its services. + +## TODO: +* Constraint on requests on start-up. +* Constraint on requests after permitting host to go down (it should last at least as long as Slobrok heartbeat cycle). +* Implement caching of host-down decisions. +* Instance resource, exposing the orchestrators current knowledge
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