Let's take a JFR snapshot and see what's really taking time. I am guessing
its reading of the definition files. We can cache the unit definitions if
that's the case.
On 15 Jul 2015 00:24, "Rasika Perera" <[email protected]> wrote:
> Hi All,
>
> We have setup a Jaggery App written using Unified UI sharable components
> framework on top of a WSO2 server pack.
>
> When increasing the number of concurrent users we are experiencing a huge
> performance drop in the server. In the middle of an internal training
> session we tried to access the Jaggery Application using 9-10 concurrent
> browser terminals. Server tends to hits 100% CPU usage when trying to
> accessing webapp.
>
> At the server side we are getting following error intermittently;
>
> [2015-07-14 23:31:58,270] ERROR
>> {org.jaggeryjs.jaggery.core.manager.WebAppManager} -
>> org.mozilla.javascript.WrappedException: Wrapped
>> org.jaggeryjs.scriptengine.exceptions.ScriptException:
>> org.apache.catalina.connector.ClientAbortException: java.io.IOException:
>> Broken pipe (/iotserver/lib/fuse-router.js#92)
>> org.jaggeryjs.scriptengine.exceptions.ScriptException:
>> org.mozilla.javascript.WrappedException: Wrapped
>> org.jaggeryjs.scriptengine.exceptions.ScriptException:
>> org.apache.catalina.connector.ClientAbortException: java.io.IOException:
>> Broken pipe (/iotserver/lib/fuse-router.js#92)
>
>
> The thread dump of the server is attached[1]. Most of active threads are
> executing "fuse.js" and "rhino" This issue is reproducible at the local
> machine when accessing concurrently.
>
> "http-nio-9443-exec-14" daemon prio=10 tid=0x00007fc330057000 nid=0x14eb
>> runnable [0x00007fc30ae26000]
>> java.lang.Thread.State: RUNNABLE
>> at org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:42)
>> at
>> org.jaggeryjs.rhino.iotserver.lib.c0._c_anonymous_1(/iotserver/lib/fuse.jag:6)
>> at org.jaggeryjs.rhino.iotserver.lib.c0.call(/iotserver/lib/fuse.jag)
>> at
>> org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2430)
>> at org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:269)
>> at org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:97)
>> at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:32)
>> at
>> org.jaggeryjs.rhino.iotserver.lib.c0._c_anonymous_1(/iotserver/lib/fuse.jag:5)
>> at org.jaggeryjs.rhino.iotserver.lib.c0.call(/iotserver/lib/fuse.jag)
>> at
>> org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2430)
>> at org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:269)
>> at org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:97)
>> at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:32)
>> at
>> org.jaggeryjs.rhino.iotserver.lib.c0._c_anonymous_1(/iotserver/lib/fuse.jag:5)
>> at org.jaggeryjs.rhino.iotserver.lib.c0.call(/iotserver/lib/fuse.jag)
>> at
>> org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2430)
>> at org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:269)
>> at org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:97)
>> at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:32)
>> at
>> org.jaggeryjs.rhino.iotserver.lib.c0._c_anonymous_1(/iotserver/lib/fuse.jag:5)
>> at org.jaggeryjs.rhino.iotserver.lib.c0.call(/iotserver/lib/fuse.jag)
>> at
>> org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2430)
>> at org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:269)
>> at org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:97)
>> at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:32)
>> at
>> org.jaggeryjs.rhino.iotserver.lib.c0._c_anonymous_1(/iotserver/lib/fuse.jag:5)
>> at org.jaggeryjs.rhino.iotserver.lib.c0.call(/iotserver/lib/fuse.jag)
>> at
>> org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2430)
>> at org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:269)
>> at org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:97)
>> at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:32)
>> at
>> org.jaggeryjs.rhino.iotserver.lib.c0._c_anonymous_1(/iotserver/lib/fuse.jag:5)
>> at org.jaggeryjs.rhino.iotserver.lib.c0.call(/iotserver/lib/fuse.jag)
>> at
>> org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2430)
>> at org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:269)
>> at org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:97)
>> at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:32)
>> at
>> org.jaggeryjs.rhino.iotserver.lib.c0._c_anonymous_1(/iotserver/lib/fuse.jag:5)
>
>
> Any help to resolve this issue would be really appreciated.
>
> Thank you
>
> --
> With Regards,
>
> *Rasika Perera*
> Software Engineer
> M: +94 71 680 9060 E: [email protected]
> LinkedIn: http://lk.linkedin.com/in/rasika90
>
> WSO2 Inc. www.wso2.com
> lean.enterprise.middleware
>
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