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Avoid using io.ReadFull() for WriteAll and CreateFile (#7676)

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With these changes we are now able to peak performances
for all Write() operations across disks HDD and NVMe.

Also adds readahead for disk reads, which also increases
performance for reads by 3x.
This commit is contained in:
Harshavardhana
2019-05-22 13:47:15 -07:00
committed by kannappanr
parent 158b8c2e86
commit 39b3e4f9b3
9 changed files with 132 additions and 95 deletions
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@@ -337,6 +337,8 @@ github.com/klauspost/crc32 v0.0.0-20161016154125-cb6bfca970f6/go.mod h1:+ZoRqAPR
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github.com/klauspost/pgzip v1.2.1 h1:oIPZROsWuPHpOdMVWLuJZXwgjhrW8r1yEX8UqMyeNHM=
github.com/klauspost/pgzip v1.2.1/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs=
github.com/klauspost/readahead v1.3.0 h1:ur57scQa1RS6oQgdq+6mylmP2u0iR1LFw1zy3Xwqacg=
github.com/klauspost/readahead v1.3.0/go.mod h1:AH9juHzNH7xqdqFHrMRSHeH2Ps+vFf+kblDqzPFiLJg=
github.com/klauspost/reedsolomon v0.0.0-20190210214925-2b210cf0866d/go.mod h1:CwCi+NUr9pqSVktrkN+Ondf06rkhYZ/pcNv7fu+8Un4=
github.com/klauspost/reedsolomon v1.9.1 h1:kYrT1MlR4JH6PqOpC+okdb9CDTcwEC/BqpzK4WFyXL8=
github.com/klauspost/reedsolomon v1.9.1/go.mod h1:CwCi+NUr9pqSVktrkN+Ondf06rkhYZ/pcNv7fu+8Un4=