Hello!
Under load testing of our application I'm seeing that Jetty spawned exactly
800 threads instead of only 200 as per my configuration. How can this
happen? What am I missing?
We use 9.0.4 in Equinox with a jetty.xml taken from Jetty's git:
<Configure id="Server" class="org.eclipse.jetty.server.Server">
<!-- =========================================================== -->
<!-- Server Thread Pool -->
<!-- =========================================================== -->
<Get name="ThreadPool">
<Set name="minThreads">10</Set>
<Set name="maxThreads">200</Set>
</Get>
<!-- =========================================================== -->
<!-- Set handler Collection Structure -->
<!-- =========================================================== -->
<Set name="handler">
<New id="Handlers"
class="org.eclipse.jetty.server.handler.HandlerCollection">
<Set name="handlers">
<Array type="org.eclipse.jetty.server.Handler">
<Item>
<New id="Contexts"
class="org.eclipse.jetty.server.handler.ContextHandlerCollection"/>
</Item>
<Item>
<New id="DefaultHandler"
class="org.eclipse.jetty.server.handler.DefaultHandler"/>
</Item>
<Item>
<New id="RequestLog"
class="org.eclipse.jetty.server.handler.RequestLogHandler"/>
</Item>
</Array>
</Set>
</New>
</Set>
<!-- =========================================================== -->
<!-- Configure Request Log -->
<!-- Request logs may be configured for the entire server here, -->
<!-- or they can be configured for a specific web app in a -->
<!-- contexts configuration (see $(jetty.home)/contexts/test.xml -->
<!-- for an example). -->
<!-- =========================================================== -->
<Ref refid="RequestLog">
<Set name="requestLog">
<New id="RequestLogImpl"
class="org.eclipse.jetty.server.NCSARequestLog">
<Set name="filename"><SystemProperty name="jetty.home"
default="."/>/logs/yyyy_mm_dd.request.log</Set>
<Set name="filenameDateFormat">yyyy_MM_dd</Set>
<Set name="retainDays">5</Set>
<Set name="append">true</Set>
<Set name="extended">false</Set>
<Set name="logCookies">false</Set>
<Set name="logTimeZone">GMT</Set>
</New>
</Set>
</Ref>
<New id="httpConfig" class="org.eclipse.jetty.server.HttpConfiguration">
<Set name="secureScheme">https</Set>
<Set name="securePort"><Property name="jetty.secure.port"
default="8443" /></Set>
<Set name="outputBufferSize">32768</Set>
<Set name="requestHeaderSize">8192</Set>
<Set name="responseHeaderSize">8192</Set>
<Set name="sendServerVersion">true</Set>
<Set name="sendDateHeader">false</Set>
<Set name="headerCacheSize">512</Set>
<Call name="addCustomizer">
<Arg><New
class="org.eclipse.jetty.server.ForwardedRequestCustomizer"/></Arg>
</Call>
</New>
<!-- =========================================================== -->
<!-- extra options -->
<!-- =========================================================== -->
<Set name="stopAtShutdown">true</Set>
<Set name="stopTimeout">1000</Set>
<Set name="dumpAfterStart">false</Set>
<Set name="dumpBeforeStop">false</Set>
</Configure>
p.s. I just noticed that idleTimeout is not set for thread pool - can this
cause issues like this? I will set it to 60000 but versions of jetty.xml in
git should probably be corrected too. And maybe a sane default should be
placed in source code?
Regards,
Mikhail.
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