FilePermission Canonical path optimization
weijun.wang at oracle.com
Mon Dec 1 08:36:20 UTC 2014
Do you need some kind of synchronization on the get_dir_rec() method?
> On Dec 1, 2014, at 16:06, deven you <youdwei at linux.vnet.ibm.com> wrote:
> Hi All,
> File.getCanonicalPath() is a very time-consuming method, we observed
> significant performance degradation from some application's startup stage
> with java.io.FilePermission. However, lazying load the calls to
> getCanonicalPath() from java.ioFilePermission is straightforward and solve
> this problem effectively. Openjdk bug tracks this bug and here is the
> patch . Could anyone take a look?
>  https://bugs.openjdk.java.net/browse/JDK-8066211
>  http://cr.openjdk.java.net/~youdwei/ojdk-912/webrev.00/
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