Closing the 7u10 version because this has been committed to 7u8 also. This will be tracked using the current 7u8 bug. We ask that submitters not use the Priority/Targeted release fields, they are for dev only. Please escalate issues to us if values are of concern.
going to use this backport record for "new" 7u10
There is a chain of bug fixes: JDK-7107611, JDK-7107613, JDK-7107615, JDK-7107616. Performance will get better only if all these bugs are fixed. Close/Unverified.