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write() to disk in 4MB blocks for better performance (#7888)

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This commit is contained in:
Krishna Srinivas
2019-08-23 15:36:46 -07:00
committed by Harshavardhana
parent 48bc3f1d53
commit c38ada1a26
2 changed files with 38 additions and 40 deletions
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4
cmd/posix.go
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@@ -47,7 +47,7 @@ const (
diskMinFreeSpace = 900 * humanize.MiByte // Min 900MiB free space.
diskMinTotalSpace = diskMinFreeSpace // Min 900MiB total space.
maxAllowedIOError = 5
readBlockSize = humanize.KiByte * 32 // Default read block size 32KiB.
readBlockSize = 4 * humanize.MiByte // Default read block size 4MiB.
)
// isValidVolname verifies a volname name in accordance with object
@@ -1230,7 +1230,7 @@ func (s *posix) CreateFile(volume, path string, fileSize int64, r io.Reader) (er
bufp := s.pool.Get().(*[]byte)
defer s.pool.Put(bufp)
written, err := xioutil.CopyAligned(w, r, *bufp)
written, err := xioutil.CopyAligned(w, r, *bufp, fileSize)
if err != nil {
return err
}