Siying Dong 3db1ada3bf PersistRocksDBOptions() to use WritableFileWriter
Summary:
By using WritableFileWriter rather than WritableFile directly, we can buffer multiple Append() calls to one write() file system call, which will be expensive to underlying Env without its own write buffering.
Closes https://github.com/facebook/rocksdb/pull/3882

Differential Revision: D8080673

Pulled By: siying

fbshipit-source-id: e0db900cb3c178166aa738f3985db65e3ae2cf1b
2018-05-21 16:42:22 -07:00
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2017-07-15 16:11:23 -07:00
2017-07-15 16:11:23 -07:00
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