Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
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@@ -39,6 +39,15 @@ using `CTRL-p CTRL-q` key sequence. |
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It is forbidden to redirect the standard input of a `docker attach` command |
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while attaching to a tty-enabled container (i.e.: launched with `-t`). |
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+While a client is connected to container's stdio using `docker attach`, Docker |
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+uses a ~1MB memory buffer to maximize the throughput of the application. If |
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+this buffer is filled, the speed of the API connection will start to have an |
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+effect on the process output writing speed. This is similar to other |
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+applications like SSH. Because of this, it is not recommended to run |
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+performance critical applications that generate a lot of output in the |
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+foreground over a slow client connection. Instead, users should use the |
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+`docker logs` command to get access to the logs. |
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+ |
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## Override the detach sequence |
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