JDK-6938276 : lock contention reduction in jaxp XSComplexTypeDecl.getContentModel(CMBuilder cmBuilder)
  • Type: Enhancement
  • Component: xml
  • Sub-Component: jaxp
  • Affected Version: 6-pool
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2010-03-25
  • Updated: 2013-11-02
  • Resolved: 2010-04-09
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Other JDK 6 JDK 7
1.4.0 1.4Fixed 6u21Fixed 7Fixed
XSComplexTypeDecl.getContentModel(CMBuilder cmBuilder) can be a source of high lock contention on some XML workloads such as SPECjvm2008's xml.validation workload.

EVALUATION All tests passed. Now in jaxp 1.4. (there's an issue in the build system, this fix is not in the nightly build yet)

EVALUATION See comments. This is a change for JDK6 and later only.