Increase default multipart size to 128MiB (#1112)

.travis.yml

@@ -6,7 +6,6 @@ os:
 
 env:
 - ARCH=x86_64
-- ARCH=i686
 
 go:
 - 1.12.x
@@ -22,7 +21,17 @@ addons:
     packages:
       - devscripts
 
+before_install:
+  - curl -O https://dl.minio.io/server/minio/release/linux-amd64/minio && chmod +x ./minio
+  - sudo cp testcerts/public.crt /usr/local/share/ca-certificates/
+  - sudo update-ca-certificates
+  - MINIO_ACCESS_KEY=minio MINIO_SECRET_KEY=minio123 ./minio server --compat --quiet --certs-dir testcerts data 2>&1 > minio.log &
+
 script:
-- diff -au <(gofmt -d .) <(printf "")
-- diff -au <(licensecheck --check '.go$' --recursive --lines 0 * | grep -v -w 'Apache (v2.0)') <(printf "")
-- make
+  - diff -au <(gofmt -d .) <(printf "")
+  - diff -au <(licensecheck --check '.go$' --recursive --lines 0 * | grep -v -w 'Apache (v2.0)') <(printf "")
+  - make
+
+addons:
+  artifacts:
+    - minio.log

Makefile

@@ -8,7 +8,7 @@ vet:
 	@GO111MODULE=on go vet ./...
 
 test:
-	@GO111MODULE=on SERVER_ENDPOINT=play.min.io:9000 ACCESS_KEY=Q3AM3UQ867SPQQA43P2F SECRET_KEY=zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG ENABLE_HTTPS=1 MINT_MODE=full go test -race -v ./...
+	@GO111MODULE=on SERVER_ENDPOINT=localhost:9000 ACCESS_KEY=minio SECRET_KEY=minio123 ENABLE_HTTPS=1 MINT_MODE=full go test -race -v ./...
 
 examples:
 	@mkdir -p /tmp/examples && for i in $(echo examples/s3/*); do go build -o /tmp/examples/$(basename ${i:0:-3}) ${i}; done
@@ -17,4 +17,4 @@ docs:
 	@(cd docs; GO111MODULE=on go build validator.go && ./validator -m ../docs/API.md -t checker.go.tpl)
 
 functional-test:
-	@GO111MODULE=on SERVER_ENDPOINT=play.min.io:9000 ACCESS_KEY=Q3AM3UQ867SPQQA43P2F SECRET_KEY=zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG ENABLE_HTTPS=1 MINT_MODE=full go run functional_tests.go
+	@GO111MODULE=on SERVER_ENDPOINT=localhost:9000 ACCESS_KEY=minio SECRET_KEY=minio123 ENABLE_HTTPS=1 MINT_MODE=full go run functional_tests.go

api-put-object-common.go

@@ -64,7 +64,7 @@ func isReadAt(reader io.Reader) (ok bool) {
 // object storage it will have the following parameters as constants.
 //
 //  maxPartsCount - 10000
-//  minPartSize - 64MiB
+//  minPartSize - 128MiB
 //  maxMultipartPutObjectSize - 5TiB
 //
 func optimalPartInfo(objectSize int64, configuredPartSize uint64) (totalPartsCount int, partSize int64, lastPartSize int64, err error) {

api-put-object-streaming.go

@@ -75,7 +75,7 @@ type uploadPartReq struct {
 	Part    *ObjectPart // Size of the part uploaded.
 }
 
-// putObjectMultipartFromReadAt - Uploads files bigger than 64MiB.
+// putObjectMultipartFromReadAt - Uploads files bigger than 128MiB.
 // Supports all readers which implements io.ReaderAt interface
 // (ReadAt method).
 //

api-put-object.go

@@ -124,9 +124,9 @@ func (a completedParts) Less(i, j int) bool { return a[i].PartNumber < a[j].Part
 //
 // You must have WRITE permissions on a bucket to create an object.
 //
-//  - For size smaller than 64MiB PutObject automatically does a
+//  - For size smaller than 128MiB PutObject automatically does a
 //    single atomic Put operation.
-//  - For size larger than 64MiB PutObject automatically does a
+//  - For size larger than 128MiB PutObject automatically does a
 //    multipart Put operation.
 //  - For size input as -1 PutObject does a multipart Put operation
 //    until input stream reaches EOF. Maximum object size that can
@@ -167,7 +167,7 @@ func (c Client) putObjectCommon(ctx context.Context, bucketName, objectName stri
 		return c.putObjectNoChecksum(ctx, bucketName, objectName, reader, size, opts)
 	}
 
-	// For all sizes greater than 64MiB do multipart.
+	// For all sizes greater than 128MiB do multipart.
 	return c.putObjectMultipartStream(ctx, bucketName, objectName, reader, size, opts)
 }
 

api_unit_test.go

@@ -120,11 +120,11 @@ func TestPartSize(t *testing.T) {
 	if err != nil {
 		t.Fatal("Error: ", err)
 	}
-	if totalPartsCount != 79 {
-		t.Fatalf("Error: expecting total parts count of 79: got %v instead", totalPartsCount)
+	if totalPartsCount != 40 {
+		t.Fatalf("Error: expecting total parts count of 40: got %v instead", totalPartsCount)
 	}
-	if partSize != 67108864 {
-		t.Fatalf("Error: expecting part size of 67108864: got %v instead", partSize)
+	if partSize != 134217728 {
+		t.Fatalf("Error: expecting part size of 134217728: got %v instead", partSize)
 	}
 	if lastPartSize != 9437184 {
 		t.Fatalf("Error: expecting last part size of 9437184: got %v instead", lastPartSize)
@@ -146,14 +146,14 @@ func TestPartSize(t *testing.T) {
 	if err != nil {
 		t.Fatal("Error:", err)
 	}
-	if totalPartsCount != 9103 {
-		t.Fatalf("Error: expecting total parts count of 9103: got %v instead", totalPartsCount)
+	if totalPartsCount != 8192 {
+		t.Fatalf("Error: expecting total parts count of 8192: got %v instead", totalPartsCount)
 	}
-	if partSize != 603979776 {
-		t.Fatalf("Error: expecting part size of 603979776: got %v instead", partSize)
+	if partSize != 671088640 {
+		t.Fatalf("Error: expecting part size of 671088640: got %v instead", partSize)
 	}
-	if lastPartSize != 134217728 {
-		t.Fatalf("Error: expecting last part size of 134217728: got %v instead", lastPartSize)
+	if lastPartSize != 671088640 {
+		t.Fatalf("Error: expecting last part size of 671088640: got %v instead", lastPartSize)
 	}
 }
 

constants.go

@@ -23,9 +23,9 @@ package minio
 // a part in a multipart upload may not be uploaded.
 const absMinPartSize = 1024 * 1024 * 5
 
-// minPartSize - minimum part size 64MiB per object after which
+// minPartSize - minimum part size 128MiB per object after which
 // putObject behaves internally as multipart.
-const minPartSize = 1024 * 1024 * 64
+const minPartSize = 1024 * 1024 * 128
 
 // maxPartsCount - maximum number of parts for a single multipart session.
 const maxPartsCount = 10000

docs/API.md

@@ -528,7 +528,7 @@ if err != nil {
 
 <a name="PutObject"></a>
 ### PutObject(bucketName, objectName string, reader io.Reader, objectSize int64,opts PutObjectOptions) (n int, err error)
-Uploads objects that are less than 64MiB in a single PUT operation. For objects that are greater than 64MiB in size, PutObject seamlessly uploads the object as parts of 64MiB or more depending on the actual file size. The max upload size for an object is 5TB.
+Uploads objects that are less than 128MiB in a single PUT operation. For objects that are greater than 128MiB in size, PutObject seamlessly uploads the object as parts of 128MiB or more depending on the actual file size. The max upload size for an object is 5TB.
 
 __Parameters__
 
@@ -869,7 +869,7 @@ if err != nil {
 ### FPutObject(bucketName, objectName, filePath, opts PutObjectOptions) (length int64, err error)
 Uploads contents from a file to objectName.
 
-FPutObject uploads objects that are less than 64MiB in a single PUT operation. For objects that are greater than the 64MiB in size, FPutObject seamlessly uploads the object in chunks of 64MiB or more depending on the actual file size. The max upload size for an object is 5TB.
+FPutObject uploads objects that are less than 128MiB in a single PUT operation. For objects that are greater than the 128MiB in size, FPutObject seamlessly uploads the object in chunks of 128MiB or more depending on the actual file size. The max upload size for an object is 5TB.
 
 __Parameters__
 

docs/zh_CN/API.md

@@ -550,7 +550,7 @@ if err != nil {
 
 <a name="PutObject"></a>
 ### PutObject(bucketName, objectName string, reader io.Reader, objectSize int64,opts PutObjectOptions) (n int, err error)
-当对象小于64MiB时，直接在一次PUT请求里进行上传。当大于64MiB时，根据文件的实际大小，PutObject会自动地将对象进行拆分成64MiB一块或更大一些进行上传。对象的最大大小是5TB。
+当对象小于128MiB时，直接在一次PUT请求里进行上传。当大于128MiB时，根据文件的实际大小，PutObject会自动地将对象进行拆分成128MiB一块或更大一些进行上传。对象的最大大小是5TB。
 
 __参数__
 
@@ -889,7 +889,7 @@ if err != nil {
 ### FPutObject(bucketName, objectName, filePath, opts PutObjectOptions) (length int64, err error)
 将filePath对应的文件内容上传到一个对象中。
 
-当对象小于64MiB时，FPutObject直接在一次PUT请求里进行上传。当大于64MiB时，根据文件的实际大小，FPutObject会自动地将对象进行拆分成64MiB一块或更大一些进行上传。对象的最大大小是5TB。
+当对象小于128MiB时，FPutObject直接在一次PUT请求里进行上传。当大于128MiB时，根据文件的实际大小，FPutObject会自动地将对象进行拆分成128MiB一块或更大一些进行上传。对象的最大大小是5TB。
 
 __参数__
 

functional_tests.go

@@ -264,7 +264,7 @@ var dataFileMap = map[string]int{
 	"datafile-5-MB":    5 * humanize.MiByte,
 	"datafile-6-MB":    6 * humanize.MiByte,
 	"datafile-11-MB":   11 * humanize.MiByte,
-	"datafile-65-MB":   65 * humanize.MiByte,
+	"datafile-129-MB":  129 * humanize.MiByte,
 }
 
 func isFullMode() bool {
@@ -531,8 +531,8 @@ func testPutObjectReadAt() {
 		return
 	}
 
-	bufSize := dataFileMap["datafile-65-MB"]
-	var reader = getDataReader("datafile-65-MB")
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
 	defer reader.Close()
 
 	// Save the data
@@ -641,8 +641,8 @@ func testPutObjectWithMetadata() {
 		return
 	}
 
-	bufSize := dataFileMap["datafile-65-MB"]
-	var reader = getDataReader("datafile-65-MB")
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
 	defer reader.Close()
 
 	// Save the data
@@ -1308,7 +1308,7 @@ func testFPutObjectMultipart() {
 	}
 
 	// Upload 4 parts to utilize all 3 'workers' in multipart and still have a part to upload.
-	var fileName = getMintDataDirFilePath("datafile-65-MB")
+	var fileName = getMintDataDirFilePath("datafile-129-MB")
 	if fileName == "" {
 		// Make a temp file with minPartSize bytes of data.
 		file, err := ioutil.TempFile(os.TempDir(), "FPutObjectTest")
@@ -1317,7 +1317,7 @@ func testFPutObjectMultipart() {
 			return
 		}
 		// Upload 2 parts to utilize all 3 'workers' in multipart and still have a part to upload.
-		if _, err = io.Copy(file, getDataReader("datafile-65-MB")); err != nil {
+		if _, err = io.Copy(file, getDataReader("datafile-129-MB")); err != nil {
 			logError(testName, function, args, startTime, "", "Copy failed", err)
 			return
 		}
@@ -1328,7 +1328,7 @@ func testFPutObjectMultipart() {
 		fileName = file.Name()
 		args["fileName"] = fileName
 	}
-	totalSize := dataFileMap["datafile-65-MB"]
+	totalSize := dataFileMap["datafile-129-MB"]
 	// Set base object name
 	objectName := bucketName + "FPutObject" + "-standard"
 	args["objectName"] = objectName
@@ -1426,7 +1426,7 @@ func testFPutObject() {
 
 	// Upload 3 parts worth of data to use all 3 of multiparts 'workers' and have an extra part.
 	// Use different data in part for multipart tests to check parts are uploaded in correct order.
-	var fName = getMintDataDirFilePath("datafile-65-MB")
+	var fName = getMintDataDirFilePath("datafile-129-MB")
 	if fName == "" {
 		// Make a temp file with minPartSize bytes of data.
 		file, err := ioutil.TempFile(os.TempDir(), "FPutObjectTest")
@@ -1436,7 +1436,7 @@ func testFPutObject() {
 		}
 
 		// Upload 3 parts to utilize all 3 'workers' in multipart and still have a part to upload.
-		if _, err = io.Copy(file, getDataReader("datafile-65-MB")); err != nil {
+		if _, err = io.Copy(file, getDataReader("datafile-129-MB")); err != nil {
 			logError(testName, function, args, startTime, "", "File copy failed", err)
 			return
 		}
@@ -1448,7 +1448,7 @@ func testFPutObject() {
 		defer os.Remove(file.Name())
 		fName = file.Name()
 	}
-	totalSize := dataFileMap["datafile-65-MB"]
+	totalSize := dataFileMap["datafile-129-MB"]
 
 	// Set base object name
 	function = "FPutObject(bucketName, objectName, fileName, opts)"
@@ -2706,9 +2706,9 @@ func testSSECEncryptedGetObjectReadSeekFunctional() {
 		}
 	}()
 
-	// Generate 65MiB of data.
-	bufSize := dataFileMap["datafile-65-MB"]
-	var reader = getDataReader("datafile-65-MB")
+	// Generate 129MiB of data.
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
 	defer reader.Close()
 
 	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
@@ -2894,9 +2894,9 @@ func testSSES3EncryptedGetObjectReadSeekFunctional() {
 		}
 	}()
 
-	// Generate 65MiB of data.
-	bufSize := dataFileMap["datafile-65-MB"]
-	var reader = getDataReader("datafile-65-MB")
+	// Generate 129MiB of data.
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
 	defer reader.Close()
 
 	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
@@ -3072,9 +3072,9 @@ func testSSECEncryptedGetObjectReadAtFunctional() {
 		return
 	}
 
-	// Generate 65MiB of data.
-	bufSize := dataFileMap["datafile-65-MB"]
-	var reader = getDataReader("datafile-65-MB")
+	// Generate 129MiB of data.
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
 	defer reader.Close()
 
 	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
@@ -3263,9 +3263,9 @@ func testSSES3EncryptedGetObjectReadAtFunctional() {
 		return
 	}
 
-	// Generate 65MiB of data.
-	bufSize := dataFileMap["datafile-65-MB"]
-	var reader = getDataReader("datafile-65-MB")
+	// Generate 129MiB of data.
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
 	defer reader.Close()
 
 	objectName := randString(60, rand.NewSource(time.Now().UnixNano()), "")
@@ -8561,8 +8561,8 @@ func testPutObjectNoLengthV2() {
 	objectName := bucketName + "unique"
 	args["objectName"] = objectName
 
-	bufSize := dataFileMap["datafile-65-MB"]
-	var reader = getDataReader("datafile-65-MB")
+	bufSize := dataFileMap["datafile-129-MB"]
+	var reader = getDataReader("datafile-129-MB")
 	defer reader.Close()
 	args["size"] = bufSize
 

testcerts/private.key

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCwUyKC2VOXy2+8
+gMQkRrDJ4aA7K5pgj6LHWu25GeY93x+8DLFyQ9BhoaMcAbs2Cmw91rONDrZ0gNql
+yi5JX8t+iiVH8o6dcq6W8jNLnOw0GMNJ2/E1Ckfe5ktkn9synSSwMdnFp3cDk7Hb
+2j6IiWrb+PXb7VGL47kDrG59iKQ350MiB3PNpd1ulHbi2m2ZC3WyoTTzlgeTXiXa
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+P3kBeFiLAgMBAAECggEAKM20SM9+FryPSPILcdGiC7XY3JiEix/yLWwPYyxpKZw+
+vce6MJUc3dsH4e1Mo37Z+Z17w4LKGj/PWVpmR7iRYOEbK4EoG6t0V54I3NCdoJiy
+aJ8rPHj6lMx6WfjcQuQ2n0eJ+8F7OyqsmBHzMqmKPwln69MJcfPq1rzKfOZoCj9p
+0oZ+3Iv3roC4uH8peZFooCDUlzJL+8KiybVlemNfklKsHfRmL2vOdFBt+qvit6N/
+9JgBTX1mRx1+vqECj+TlVP//k3BTEPNfpIvsLCRN0eBbQcXYzu/gZfHwGnsy5Lxy
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+nDLAu2RQqvZTnoz1/b8jcrjS7tS1la5x1IN0Z9/VqTmkfxyHOK9ab1iVlklkIzjP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+-----END PRIVATE KEY-----

testcerts/public.crt

@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----