Haobo Xu bdf1085944 [RocksDB] cleanup EnvOptions ... Summary: This diff simplifies EnvOptions by treating it as POD, similar to Options. - virtual functions are removed and member fields are accessed directly. - StorageOptions is removed. - Options.allow_readahead and Options.allow_readahead_compactions are deprecated. - Unused global variables are removed: useOsBuffer, useFsReadAhead, useMmapRead, useMmapWrite Test Plan: make check; db_stress Reviewers: dhruba CC: leveldb Differential Revision: https://reviews.facebook.net/D11175		2013-06-12 11:17:19 -07:00
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memenv.cc	Ability to configure bufferedio-reads, filesystem-readaheads and mmap-read-write per database.	2013-03-20 23:14:03 -07:00
memenv.h	A number of fixes:	2011-10-31 17:22:06 +00:00
memenv_test.cc	[RocksDB] cleanup EnvOptions	2013-06-12 11:17:19 -07:00