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do not use large buffers if not necessary (#11220)

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without this change, there is a performance
regression for small objects GETs, this makes
the overall speed to go back to pre '59d363'
commit days.
This commit is contained in:
Harshavardhana
2021-01-04 18:51:52 -08:00
committed by GitHub
parent cb7fc99368
commit d0027c3c41
24 changed files with 92 additions and 196 deletions
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29
cmd/erasure-object_test.go
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@@ -339,17 +339,10 @@ func TestGetObjectNoQuorum(t *testing.T) {
return erasureDisks
}
z.serverPools[0].erasureDisksMu.Unlock()
switch f {
case 0, 2:
// Fetch object from store.
err = xl.GetObject(ctx, bucket, object, 0, int64(len("abcd")), ioutil.Discard, "", opts)
if err != toObjectErr(errErasureReadQuorum, bucket, object) {
t.Errorf("Expected GetObject to fail with %v, but failed with %v", toObjectErr(errErasureWriteQuorum, bucket, object), err)
}
case 1:
if err = xl.GetObject(ctx, bucket, object, 0, int64(len("abcd")), ioutil.Discard, "", opts); err != nil {
t.Errorf("Expected GetObject to succeed, but failed with %v", err)
}
// Fetch object from store.
err = xl.GetObject(ctx, bucket, object, 0, int64(len("abcd")), ioutil.Discard, "", opts)
if err != toObjectErr(errErasureReadQuorum, bucket, object) {
t.Errorf("Expected GetObject to fail with %v, but failed with %v", toObjectErr(errErasureWriteQuorum, bucket, object), err)
}
}
@@ -528,7 +521,7 @@ func testObjectQuorumFromMeta(obj ObjectLayer, instanceType string, dirs []strin
t.Fatalf("Failed to putObject %v", err)
}
parts1, errs1 := readAllFileInfo(ctx, erasureDisks, bucket, object1, "", false)
parts1, errs1 := readAllFileInfo(ctx, erasureDisks, bucket, object1, "")
parts1SC := globalStorageClass
@@ -541,7 +534,7 @@ func testObjectQuorumFromMeta(obj ObjectLayer, instanceType string, dirs []strin
t.Fatalf("Failed to putObject %v", err)
}
parts2, errs2 := readAllFileInfo(ctx, erasureDisks, bucket, object2, "", false)
parts2, errs2 := readAllFileInfo(ctx, erasureDisks, bucket, object2, "")
parts2SC := globalStorageClass
// Object for test case 3 - No StorageClass defined, MetaData in PutObject requesting Standard Storage Class
@@ -553,7 +546,7 @@ func testObjectQuorumFromMeta(obj ObjectLayer, instanceType string, dirs []strin
t.Fatalf("Failed to putObject %v", err)
}
parts3, errs3 := readAllFileInfo(ctx, erasureDisks, bucket, object3, "", false)
parts3, errs3 := readAllFileInfo(ctx, erasureDisks, bucket, object3, "")
parts3SC := globalStorageClass
// Object for test case 4 - Standard StorageClass defined as Parity 6, MetaData in PutObject requesting Standard Storage Class
@@ -571,7 +564,7 @@ func testObjectQuorumFromMeta(obj ObjectLayer, instanceType string, dirs []strin
t.Fatalf("Failed to putObject %v", err)
}
parts4, errs4 := readAllFileInfo(ctx, erasureDisks, bucket, object4, "", false)
parts4, errs4 := readAllFileInfo(ctx, erasureDisks, bucket, object4, "")
parts4SC := storageclass.Config{
Standard: storageclass.StorageClass{
Parity: 6,
@@ -594,7 +587,7 @@ func testObjectQuorumFromMeta(obj ObjectLayer, instanceType string, dirs []strin
t.Fatalf("Failed to putObject %v", err)
}
parts5, errs5 := readAllFileInfo(ctx, erasureDisks, bucket, object5, "", false)
parts5, errs5 := readAllFileInfo(ctx, erasureDisks, bucket, object5, "")
parts5SC := storageclass.Config{
RRS: storageclass.StorageClass{
Parity: 2,
@@ -616,7 +609,7 @@ func testObjectQuorumFromMeta(obj ObjectLayer, instanceType string, dirs []strin
t.Fatalf("Failed to putObject %v", err)
}
parts6, errs6 := readAllFileInfo(ctx, erasureDisks, bucket, object6, "", false)
parts6, errs6 := readAllFileInfo(ctx, erasureDisks, bucket, object6, "")
parts6SC := storageclass.Config{
RRS: storageclass.StorageClass{
Parity: 2,
@@ -639,7 +632,7 @@ func testObjectQuorumFromMeta(obj ObjectLayer, instanceType string, dirs []strin
t.Fatalf("Failed to putObject %v", err)
}
parts7, errs7 := readAllFileInfo(ctx, erasureDisks, bucket, object7, "", false)
parts7, errs7 := readAllFileInfo(ctx, erasureDisks, bucket, object7, "")
parts7SC := storageclass.Config{
Standard: storageclass.StorageClass{
Parity: 5,