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Mantis - Resin
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| ID: | Category: | Severity: | Reproducibility: | Date Submitted: | Last Update: |
| 1053 | minor | always | 04-17-06 07:34 | 06-27-06 10:07 | |
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| Reporter: | ferg | Platform: | |||
| Assigned To: | ferg | OS: | |||
| Priority: | normal | OS Version: | |||
| Status: | closed | Product Version: | 3.0.18 | ||
| Product Build: | Resolution: | fixed | |||
| Projection: | none | ||||
| ETA: | none | Fixed in Version: | 3.0.20 | ||
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| Summary: | 0001053: servlet lock issue | ||||
| Description: |
(rep by Xu Guanyan) I have a very busy site run on resin-3.0.18, very very busy,about 600-700 hits per second. now i encounted a problem. the CPU's usage is about 99% now, only 1% idle,i use jmx to dump all the threads, and see something like this, about 200 threads are doing this thing. what are they doing? what should i do to avoid this? i have no idea. "resin-tcp-connection-172.18.16.32:80-152179" Id=2493 in BLOCKED on lock=com.caucho.server.dispatch.ServletConfigImpl@1828374 owned by resin-tcp-connection-172.18.16.32:80-151515 Id=1819 at com.caucho.server.dispatch.ServletConfigImpl.createServletChain(ServletConfigImpl.java) at com.caucho.server.dispatch.ServletManager.createServletChain(ServletManager.java:175) at com.caucho.server.dispatch.ServletMapper.mapServlet(ServletMapper.java:325) at com.caucho.server.webapp.Application.buildDispatchInvocation(Application.java:1885) at com.caucho.server.webapp.Application.buildForwardInvocation(Application.java:1828) at com.caucho.server.webapp.ApplicationContainer.buildForwardInvocation(ApplicationContainer.java:780) at com.caucho.server.webapp.Application.getRequestDispatcher(Application.java:1933) at com.caucho.server.connection.AbstractHttpRequest.getRequestDispatcher(AbstractHttpRequest.java:2016) |
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