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[feat] Add configurable deadline for writers (#11822)

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This PR adds deadlines per Write() calls, such
that slow drives are timed-out appropriately and
the overall responsiveness for Writes() is always
up to a predefined threshold providing applications
sustained latency even if one of the drives is slow
to respond.
This commit is contained in:
Harshavardhana
2021-03-18 14:09:55 -07:00
committed by GitHub
parent d46c3c07a8
commit 51a8619a79
16 changed files with 191 additions and 90 deletions
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6
cmd/erasure-heal_test.go
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@@ -87,7 +87,8 @@ func TestErasureHeal(t *testing.T) {
buffer := make([]byte, test.blocksize, 2*test.blocksize)
writers := make([]io.Writer, len(disks))
for i, disk := range disks {
writers[i] = newBitrotWriter(disk, "testbucket", "testobject", erasure.ShardFileSize(test.size), test.algorithm, erasure.ShardSize())
writers[i] = newBitrotWriter(disk, "testbucket", "testobject",
erasure.ShardFileSize(test.size), test.algorithm, erasure.ShardSize(), true)
}
_, err = erasure.Encode(context.Background(), bytes.NewReader(data), writers, buffer, erasure.dataBlocks+1)
closeBitrotWriters(writers)
@@ -130,7 +131,8 @@ func TestErasureHeal(t *testing.T) {
continue
}
os.Remove(pathJoin(disk.String(), "testbucket", "testobject"))
staleWriters[i] = newBitrotWriter(disk, "testbucket", "testobject", erasure.ShardFileSize(test.size), test.algorithm, erasure.ShardSize())
staleWriters[i] = newBitrotWriter(disk, "testbucket", "testobject",
erasure.ShardFileSize(test.size), test.algorithm, erasure.ShardSize(), true)
}
// test case setup is complete - now call Heal()