https://issues.apache.org/bugzilla/show_bug.cgi?id=57158
Bug ID: 57158
Summary: Make ReadListener and WriteListener be executed in I/O
thread pool[s]
Product: Tomcat 8
Version: 8.0.14
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: zenzhong8...@gmail.com
Servlet.service / ReadListener / WriteListener are executed in the same thread
pool, there may be performance issue when ReadListener / WriteListener is used
and tomcat is on high load.
Related log:
2014-10-28 15:58:04,497 DEBUG [http-nio-8080-exec-1] EchoAsyncServlet3: test
java.lang.Exception: test
at EchoAsyncServlet3.service(EchoAsyncServlet3.java:16)
[EchoAsyncServlet3.class:na]
2014-10-28 15:58:04,501 DEBUG [http-nio-8080-exec-1] TextReadListener:
onAllDataRead
java.lang.Exception: onAllDataRead
at TextReadListener.onAllDataRead(TextReadListener.java:43)
[TextReadListener.class:na]
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:570)
[catalina.jar:8.0.14]
2014-10-28 15:58:04,501 DEBUG [http-nio-8080-exec-1] TextReadListener:
onAllDataRead> text=
2014-10-28 15:58:04,502 DEBUG [http-nio-8080-exec-1] TextReadListener:
onAllDataRead> uri=/chatdemo/echo_async3, User-Agent=curl/7.32.0, params={}
2014-10-28 15:58:04,502 DEBUG [http-nio-8080-exec-1] TextReadListener: start
sleep
2014-10-28 15:58:05,502 DEBUG [http-nio-8080-exec-1] TextReadListener: sleep
finished, start writing
2014-10-28 15:58:05,506 DEBUG [http-nio-8080-exec-1] TextWriteListener:
onWritePossible
java.lang.Exception: onWritePossible
at TextWriteListener.onWritePossible(TextWriteListener.java:39)
[TextWriteListener.class:na]
at org.apache.coyote.Response.onWritePossible(Response.java:630)
[tomcat-coyote.jar:8.0.14]
at
org.apache.coyote.http11.AbstractHttp11Processor.asyncDispatch(AbstractHttp11Processor.java:1675)
[tomcat-coyote.jar:8.0.14]
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