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Idle Hot Container Freeze/Preempt Support (#733)

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* fn: freeze/unfreeze and eject idle under resource contention
This commit is contained in:
Tolga Ceylan
2018-02-07 17:21:53 -08:00
committed by GitHub
parent 105947d031
commit f27d47f2dd
8 changed files with 184 additions and 22 deletions
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2
docs/operating/docker.md
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@@ -4,7 +4,7 @@ To get the best performance, you'll want to ensure that Docker is configured pro
1. Linux 4.7 or newer with aufs or overlay2 module.
2. Ubuntu 16.04 LTS or newer with aufs or overlay2 module.
3. Docker 1.12 or newer to be available.
3. Docker 17.06 or newer to be available.
It is important to reconfigure host's Docker with this filesystem module. Thus, in your Docker start scripts you must do as following:

2
docs/operating/options.md
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@@ -29,6 +29,8 @@ docker run -e VAR_NAME=VALUE ...
| `FN_LOG_DEST` | Set a url to send logs to, instead of stderr. [scheme://][host][:port][/path]; default scheme to udp:// if none given, possible schemes: { udp, tcp, file }
| `FN_LOG_PREFIX` | If supplying a syslog url in `FN_LOG_DEST`, a prefix to add to each log line
| `FN_API_CORS` | A comma separated list of URLs to enable [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) for (or `*` for all domains). This corresponds to the allowed origins in the `Acccess-Control-Allow-Origin` header. | None |
| `FN_FREEZE_IDLE_MSECS` | Set this option to specify the amount of time to wait in milliseconds before pausing/freezing an idle hot container. Set to 0 to freeze idle containers without any delay. Set to negative integer to disable freeze/pause of idle hot containers. | 50 |
`FN_EJECT_IDLE_MSECS` | Set this option to specify the amount of time to wait in milliseconds before attempting to terminate an idle hot container when the system is starved for CPU and Memory resources. Set to negative integer to disable this feature. | 1000 |
| `DOCKER_HOST` | Docker remote API URL. | /var/run/docker.sock |
| `DOCKER_API_VERSION` | Docker remote API version. | 1.24 |
| `DOCKER_TLS_VERIFY` | Set this option to enable/disable Docker remote API over TLS/SSL. | 0 |