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removed posix_fadvise call from PosixSequentialFile::Read(). this is consistent with facebook PR 2573 (#3505)

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Matthew Von-Maszewski 2017-10-25 14:39:46 +02:00 committed by Max Neunhöffer
parent 7d4b319c58
commit f64a2eb996
1 changed files with 1 additions and 3 deletions
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4
3rdParty/rocksdb/v5.6.X/env/io_posix.cc vendored
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@ -172,9 +172,7 @@ Status PosixSequentialFile::Read(size_t n, Slice* result, char* scratch) {
s = IOError(filename_, errno); s = IOError(filename_, errno);
} }
} }
// we need to fadvise away the entire range of pages because // matthewv: removed Fadvise call here that was also removed by facebook in 5.7.1
// we do not want readahead pages to be cached under buffered io
Fadvise(fd_, 0, 0, POSIX_FADV_DONTNEED); // free OS pages
return s; return s;
} }