Hello, bug: https://bugs.openjdk.java.net/browse/JDK-8221876
webrev: http://cr.openjdk.java.net/~ssadetsky/8221876/webrev.00/The fix eliminate delay in install which is caused by postinstall script introduced in 8215241 when it set permissions for large number of files. Actually setting permissions to the installation folder is sufficient.
--Semyon
