Re: How to run IOC in docker containers properly

[Jeong Han Lee via Tech-talk <tech-talk at aps.anl.gov>]

Now, I am confused about all discussions, do we discuss "logging" or
do we discuss "interactive shell"?
Or Does anyone would like to achieve both goals without any limitations?

Han

On Thu, Jun 18, 2020 at 12:40 PM Johnson, Andrew N. via Tech-talk
<tech-talk at aps.anl.gov> wrote:
>
> Hi Lewis,
>
> On Jun 18, 2020, at 2:24 PM, J. Lewis Muir <jlmuir at imca-cat.org> wrote:
>
>
> On 06/18, Johnson, Andrew N. via Tech-talk wrote:
>
> It’s a risk, but screen has been an essential part of our systems since we started using soft IOCs without our hitting that issue to my knowledge. I don’t have an alternative solution, I assume tmux might behave the same?
>
>
> If you're asking whether tmux can log, the answer is yes, using the
> pipe-pane command.
>
>
> No, I’m asking what tmux does if you run an IOC in it that generates messages occasionally, then use the ability to look back in its scroll-back buffer and leave your window scrolled to the very beginning of the buffer for a long time after the buffer has reached its size limit. Does it eventually freeze the IOC by imposing flow-control on the stdout/stderr stream from the IOC?
>
> That was the problem that GNU Screen apparently has which triggered the writing of procServ.
>
> Eric, you would probably never leave a Screen session in that state yourself, but please give it a go if you have time...
>
> - Andrew
>
>
> --
> Complexity comes for free, simplicity you have to work for.
>