On 8/5/2014 8:49 AM, Dhaval Jaiswal wrote:
After reviewing your comments found that in below tags i have not defined
the maxThreads limit in Connector Port 8080. While the same exists with the
connector port 8009. Default limit of maxThreads is 200.
LB is communicating with tomcat on port 8080. I think by increasing
maxThreads limit will help me. What is your take. Is it going to create any
performance issue If i will increase maxThreads to 10000 in connector 8080.
That depends on your hardware. Too many threads with not enough CPU
and/or RAM to handle may make things worse.
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
<Connector port="8009" protocol="AJP/1.3"
connectionTimeout="20000"
redirectPort="8443" maxThreads="10000"/>
On Tue, Aug 5, 2014 at 2:23 AM, Christopher Schultz <
ch...@christopherschultz.net> wrote:
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Dhaval,
On 8/4/14, 1:56 PM, Dhaval Jaiswal wrote:
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000" redirectPort="8443" />
You need to check the Tomcat configuration guide for the default
settings that you are getting. It is also pretty clear which
configuration attributes affect the maximum number of total and
simultaneous connections, etc.
if you really have a problem now, or if you are just
speculating without
real facts. If you have a real problem, what is it ? is your Tomcat
really refusing browser connections ? if yes, does this happen all
the time, or only at specific times ?
It happens only at specific time. While trying to hit some api and
response did not received in time. For such request I have kept the
time out of 100 seconds (that is the requirement). As the first
request/thread itself is in waiting mode new incoming
request/thread will be very slow and after some time logout issue
will occur or it will slow down the performance for other requests
and resultant site will be loading very slow. Moreover, it will
start throwing below errors. Henceforth, decided to increase
incoming connection request. I am not sure whether acceptQueue or
some another parameter need to add.
Caused by: java.net.SocketTimeoutException: connect timed out at
java.net.PlainSocketImpl.socketConnect(Native Method) at
java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at
java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) at
java.net.Socket.connect(Socket.java:519) at
sun.reflect.GeneratedMethodAccessor93.invoke(Unknown Source) at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
This is not enough information: you need to post the whole stack trace.
The browser clients trying to get a connection to Tomcat, or
the
postgres database which you seem to be using for authentication ?
We have three tier architect. It will first try to get the
connection from web server (haporxy) to tomcat and then to
database.
Confusing.
- -chris
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