astelm/minio
1
0
Fork 0
mirror of https://github.com/pgsty/minio.git synced 2026-07-20 20:50:22 +03:00
Code Issues Packages Projects Releases Wiki Activity

xl PutObject: Split object into parts (#3651)

Browse Source 
For faster time-to-first-byte when we try to download a big object
This commit is contained in:
Anis Elleuch
2017-01-31 00:44:42 +01:00
committed by Harshavardhana
parent 46743c7918
commit e9394dc22d
10 changed files with 169 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmd/xl-v1-utils_test.go
+34
View File
@@ -22,6 +22,8 @@ import (
"strconv"
"testing"
"time"
humanize "github.com/dustin/go-humanize"
)
// Tests caclculating disk count.
@@ -325,3 +327,35 @@ func TestGetXLMetaV1GJson10(t *testing.T) {
}
compareXLMetaV1(t, unMarshalXLMeta, gjsonXLMeta)
}
// Test the predicted part size from the part index
func TestGetPartSizeFromIdx(t *testing.T) {
// Create test cases
testCases := []struct {
totalSize int64
partSize int64
partIndex int
expectedSize int64
}{
// Total size is - 1
{-1, 10, 1, -1},
// Total size is zero
{0, 10, 1, 0},
// part size 2MiB, total size 4MiB
{4 * humanize.MiByte, 2 * humanize.MiByte, 1, 2 * humanize.MiByte},
{4 * humanize.MiByte, 2 * humanize.MiByte, 2, 2 * humanize.MiByte},
{4 * humanize.MiByte, 2 * humanize.MiByte, 3, 0},
// part size 2MiB, total size 5MiB
{5 * humanize.MiByte, 2 * humanize.MiByte, 1, 2 * humanize.MiByte},
{5 * humanize.MiByte, 2 * humanize.MiByte, 2, 2 * humanize.MiByte},
{5 * humanize.MiByte, 2 * humanize.MiByte, 3, 1 * humanize.MiByte},
{5 * humanize.MiByte, 2 * humanize.MiByte, 4, 0},
}
for i, testCase := range testCases {
s := getPartSizeFromIdx(testCase.totalSize, testCase.partSize, testCase.partIndex)
if s != testCase.expectedSize {
t.Errorf("Test %d: The calculated part size is incorrect: expected = %d, found = %d\n", i+1, testCase.expectedSize, s)
}
}
}