We run massive parallel builds of the free-style job (~120 simultaneous runs). Most of runs take about 15 seconds, to job frequently updates the build statistics.

Several jobs print warnings to the log. I suppose that issue is caused by parallel updates of the file.

Sep 25, 2013 10:42:48 AM jenkins.model.PeepholePermalink updateCache
WARNING: Failed to update hudson.model.FreeStyleProject@3771fd63[SBC_Run_Any_Batch] lastSuccessfulBuild permalink for MY_JOB #3830
java.nio.file.NoSuchFileException: /var/lib/jenkins/jobs/MY_JOB/builds/lastSuccessfulBuild.tmp
at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
at sun.nio.fs.UnixFileSystemProvider.readSymbolicLink(UnixFileSystemProvider.java:495)
at java.nio.file.Files.readSymbolicLink(Files.java:1382)
at sun.reflect.GeneratedMethodAccessor249.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at hudson.Util.resolveSymlink(Util.java:1213)
at jenkins.model.PeepholePermalink.writeSymlink(PeepholePermalink.java:169)
at jenkins.model.PeepholePermalink.updateCache(PeepholePermalink.java:137)
at jenkins.model.PeepholePermalink.resolve(PeepholePermalink.java:114)
at jenkins.model.PeepholePermalink$RunListenerImpl.onCompleted(PeepholePermalink.java:212)
at hudson.model.listeners.RunListener.fireCompleted(RunListener.java:199)
at hudson.model.Run.execute(Run.java:1642)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:237)