[Mongrel] [ANN] Another mongrel_cluster prerelease 188.8.131.52
Wayne E. Seguin
wayneeseguin at gmail.com
Thu Apr 12 06:49:46 EDT 2007
This may be a bit simple, but couldn't you concatenate the commands
in a system call using either ';' (or &&), doesn't this (or both?) of
them require that the previous command finishes before executing the
What I'm thinking is that you can do something like:
`mongrel_rails stop... ; mongrel_rails start`
To accomplish the correct wait for the graceful stop?
I hope I'm not way off here as I just joined the discussion.
On Apr 11, 2007, at 19:56 , Michael A. Schoen wrote:
> Bradley Taylor wrote:
>> Reviewing the code (Zed correct me if I'm wrong), stop and restart
>> call the same stop method. The graceful handling of an in-progress
>> request is the same.
> Yes, and that handling works for me. The problem is that a stop;start
> fails when the stop takes a bit, whereas a stop-with-restart will
> be just fine.
> What happens now when I do a cluster restart is that some of my
> end up just dead, as they actually stop (gracefully) after the
> start has
> already been called for. I could resolve this using a forced stop, but
> I'm looking for a more, not less, graceful process.
>> Restart also has some funky semantics when used in a cluster where it
>> reuses the the command line arguments. This means that you can't
>> the cluster configuration and apply the changes with a restart. The
>> standard behavior of a linux (freebsd, etc) service is that
>> configuration changes are reread on restart (apache, mysql,etc).
>> So for
>> the purposes of mongrel_cluster, restart == stop;start. Running a
>> mongrel with its own configuration file would behave as expected.
> Ah, so I understand why you made the change to have a cluster
> restart do
> a stop;start. We don't change the cluster configuration, so we aren't
> hit by that problem.
> But would it be possible to get an alternative command added that does
> do an actual restart? If not, no worries, I'll hack it in on my end.
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