Revision 388d2054c7077d58ea56e08092382d904bec71c7 authored by Lei Jin on 30 May 2014, 21:31:55 UTC, committed by Lei Jin on 30 May 2014, 21:31:55 UTC
Summary:
Forward iterator puts everything together in a flat structure instead of
a hierarchy of nested iterators. this should simplify the code and
provide better performance. It also enables more optimization since all
information are accessiable in one place.
Init evaluation shows about 6% improvement

Test Plan: db_test and db_bench

Reviewers: dhruba, igor, tnovak, sdong, haobo

Reviewed By: haobo

Subscribers: sdong, leveldb

Differential Revision: https://reviews.facebook.net/D18795
1 parent f29c62f
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