Long request/Request Processing time exceeded

I keep expericing some slowness on a build machine that we are running. I found we have been getting daily thread dumps during the slow ness which indiciate we had a long running request which exceeeds some processing time.

Not sure what these mean but they seem to be occuring around the same time we have trouble connecting to our build machine via HTTP, or VNC. Is there anyway to diagnose if  if teamcity is the cause of this slowness on the box?

Log message:

Request processing time (40000 ms) exceeded for the following thread:
TC: 10:17:43 Computing artifacts state, promotion id: 36870; 10:17:43 /overview.html; POST; IP: ; http-nio-80-exec-112

TeamCity Professional 9.1.3 (build 37176)
OS: Windows 7, version 6.1, x86
JRE: 1.8.0_60, Java HotSpot(TM) Server VM (32 bit) (25.60-b23, mixed mode), Java(TM) SE Runtime Environment (1.8.0_60-b27), Oracle Corporation
JVM args: -Djava.util.logging.config.file=c:\TeamCity\bin\..\conf\logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Xrs -Xmx512m -XX:MaxPermSize=270m -Dteamcity.configuration.path=../conf/teamcity-startup.properties -Dlog4j.configuration=file:../conf/teamcity-server-log4j.xml -Dteamcity_logs=../logs/ -Djsse.enableSNIExtension=false -Djava.endorsed.dirs=c:\TeamCity\bin\..\endorsed -Dcatalina.base=c:\TeamCity\bin\.. -Dcatalina.home=c:\TeamCity\bin\.. -Djava.io.tmpdir=c:\TeamCity\bin\..\temp
Database type: MSSQL


System Specs:
OS: Windows 7 Professional x64, Service Pack 1
Processor: Intel Xeon CPU E5-1650 0 @ 3.20GHz
RAM: 32 GB

TeamCity Configuration:
3 Build agents on localhost

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Hi Ben,

Please follow the instructions from the related section to investigate what causes the slowness. If the problem is on TeamCity side, then please attach relevant logs/dumps.

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