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Requirement
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Resolution: Won't Do
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Major
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None
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6.x.x
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None
With a higher number of concurrent requests, we see performance degrading significantly. Thread dumps show many threads blocked here:
"http-127.0.0.1:8080-499" #745 daemon prio=5 os_prio=0 tid=0x00007f39909b1000 nid=0x63e6 waiting for monitor entry [0x00007f38bf2ae000] java.lang.Thread.State: BLOCKED (on object monitor) at org.codehaus.jackson.map.jsontype.impl.TypeDeserializerBase._findDeserializer(TypeDeserializerBase.java:110) - waiting to lock <0x00000000c06c1630> (a java.util.HashMap) at org.kie.server.api.marshalling.json.JSONMarshaller$3$1.deserializeTypedFromObject(JSONMarshaller.java:225) at org.codehaus.jackson.map.deser.BeanDeserializer.deserializeWithType(BeanDeserializer.java:664) at org.codehaus.jackson.map.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:219) at org.codehaus.jackson.map.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:194) at org.codehaus.jackson.map.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:30) at org.codehaus.jackson.map.deser.SettableBeanProperty.deserialize(SettableBeanProperty.java:299) at org.codehaus.jackson.map.deser.SettableBeanProperty$MethodProperty.deserializeAndSet(SettableBeanProperty.java:414) at org.codehaus.jackson.map.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:697) at org.codehaus.jackson.map.deser.BeanDeserializer.deserialize(BeanDeserializer.java:600) at org.kie.server.api.marshalling.json.JSONMarshaller$3$1.deserializeTypedFromObject(JSONMarshaller.java:226)
This did not happen in BxMS 6.4.0 and the following code change is related:
https://issues.jboss.org/browse/RHBPMS-4547
- is cloned by
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- Closed
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