Revision 539dd207df0283bbb218806cd317cd883ef21fff authored by Lei Jin on 14 April 2014, 16:34:59 UTC, committed by Lei Jin on 14 April 2014, 16:34:59 UTC
Summary: Similar to GetImp(), use SuperVersion from thread local instead of acquriing mutex. I don't expect this change will make a dent on NewIterator() performance because the bottleneck seems to be on the rest part of the API Test Plan: make asan_check will post perf numbers Reviewers: haobo, igor, sdong, dhruba, yhchiang Reviewed By: sdong CC: leveldb Differential Revision: https://reviews.facebook.net/D17643
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