Got it, thanks. Happy holidays !
On Thu, 23 Dec 2021, 17:02 Christopher Schultz, <
ch...@christopherschultz.net> wrote:
> Jon,
>
> On 12/21/21 04:55, Jonathan Yom-Tov wrote:
> > When I look at the source (and docs) I can see that the
> > StandardThreadExecutor, which is the default, has a max idle time of 60
> > seconds, after which the threads should be reaped. I can see in our
> > monitoring that for most Tomcats the thread count for the TLS connector
> > pool does decrease sometimes. So I wonder what could be causing the
> > executor to decide not to decrease the count in this specific instance?
>
> Oh, perhaps that has changed over the years. I'm sorry if I was wrong.
>
> Using a manually-configured executor should, of course, give you better
> control over everything as the <Connector> attributes don't fully-cover
> what you can configure for an explicitly-configured executor.
>
> Thanks,
> -chris
>
> > On Mon, Dec 20, 2021 at 9:47 PM Christopher Schultz <
> > ch...@christopherschultz.net> wrote:
> >
> >> Jon,
> >>
> >> On 12/19/21 12:19, Jonathan Yom-Tov wrote:
> >>> hi Chris,
> >>>
> >>> Sorry for the late reply, I didn't see your reply for some reason.
> Here's
> >>> the relevant connector configuration:
> >>>
> >>> <Connector port="10430" URIEncoding="UTF-8" protocol="HTTP/1.1"
> >>> connectionTimeout="20000" redirectPort="8443" maxHttpHeaderSize="8192"
> >>> scheme="https" secure="true" proxyPort="443" relaxedQueryChars=" { }
> >>> " />
> >>> <Connector port="1043" URIEncoding="UTF-8" protocol="HTTP/1.1"
> >>> relaxedQueryChars=" { } "
> >>> connectionTimeout="20000"
> >>>
> >>> redirectPort="8443" maxHttpHeaderSize="8192" />
> >>
> >> You are allowing Tomcat to automatically-configure an "Executor" for
> >> you, and that executor will never shed threads.
> >>
> >> You need to change your configuration so that you have this:
> >>
> >> <Service ...>
> >>
> >> <Executor name="name-of-executor"
> >> ...
> >> />
> >>
> >> <Connector port="10430"
> >> executor="name-of-executor"
> >> ... />
> >>
> >> <Connector port="1043"
> >> executor="name-of-executor"
> >> ... />
> >>
> >> You can read more about the configuration of executors here:
> >> https://tomcat.apache.org/tomcat-9.0-doc/config/executor.html
> >>
> >> Note that your current configuration has separate thread-pools, one for
> >> each <Connector>. If you specify the "executor" configuration attribute,
> >> you can choose to share a single <Executor> or have separate ones for
> >> each <Connector>. If you want them separate, just define two of them and
> >> reference them appropriately.
> >>
> >> Hope that helps,
> >> -chris
> >>
> >>> On Tue, Dec 7, 2021 at 10:28 PM Christopher Schultz <
> >>> ch...@christopherschultz.net> wrote:
> >>>
> >>>> Jon,
> >>>>
> >>>> On 12/6/21 10:28, Jonathan Yom-Tov wrote:
> >>>>> I have a single instance of Tomcat (version 9.0.54) in which the
> thread
> >>>>> count on a connector thread pool doesn't reduce despite most of the
> >>>> threads
> >>>>> (198/200) being idle. If I understand correctly the default idle time
> >>>>> before a thread is reaped is 60 seconds, but this situation persists
> >> for
> >>>>> hours. Any ideas for why this could happen?
> >>>>
> >>>> Maybe. Can you post your configuration?
> >>>>
> >>>> -chris
> >>>>
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> >>>>
> >>>
> >>
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> >>
> >>
> >
>
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