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ADHOC: add read needle meta grpc (#3581)

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* ADHOC: add read needle meta grpc

* add test

* nit

Co-authored-by: root <root@HQ-10MSTD3EY.roblox.local>
This commit is contained in:
Eric Yang
2022-09-06 23:51:27 -07:00
committed by GitHub
parent c07ab9c060
commit b324a6536c
23 changed files with 1549 additions and 1123 deletions
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91
weed/storage/volume_read_test.go Normal file
View File

@@ -0,0 +1,91 @@
package storage
import (
"github.com/seaweedfs/seaweedfs/weed/storage/needle"
"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
"github.com/seaweedfs/seaweedfs/weed/storage/types"
"github.com/stretchr/testify/assert"
"testing"
)
func TestReadNeedMetaWithWritesAndUpdates(t *testing.T) {
dir := t.TempDir()
v, err := NewVolume(dir, dir, "", 1, NeedleMapInMemory, &super_block.ReplicaPlacement{}, &needle.TTL{}, 0, 0)
if err != nil {
t.Fatalf("volume creation: %v", err)
}
type WriteInfo struct {
offset int64
size int32
}
writeInfos := make([]WriteInfo, 30)
mockLastUpdateTime := uint64(1000000000000)
// initialize 20 needles then update first 10 needles
for i := 1; i <= 30; i++ {
n := newRandomNeedle(uint64(i % 20))
n.Flags = 0x08
n.LastModified = mockLastUpdateTime
mockLastUpdateTime += 2000
offset, _, _, err := v.writeNeedle2(n, true, false)
if err != nil {
t.Fatalf("write needle %d: %v", i, err)
}
writeInfos[i-1] = WriteInfo{offset: int64(offset), size: int32(n.Size)}
}
expectedLastUpdateTime := uint64(1000000000000)
for i := 0; i < 30; i++ {
testNeedle := new(needle.Needle)
testNeedle.Id = types.Uint64ToNeedleId(uint64(i + 1%20))
testNeedle.Flags = 0x08
v.readNeedleMetaAt(testNeedle, writeInfos[i].offset, writeInfos[i].size)
actualLastModifiedTime := testNeedle.LastModified
assert.Equal(t, expectedLastUpdateTime, actualLastModifiedTime, "The two words should be the same.")
expectedLastUpdateTime += 2000
}
}
func TestReadNeedMetaWithDeletesThenWrites(t *testing.T) {
dir := t.TempDir()
v, err := NewVolume(dir, dir, "", 1, NeedleMapInMemory, &super_block.ReplicaPlacement{}, &needle.TTL{}, 0, 0)
if err != nil {
t.Fatalf("volume creation: %v", err)
}
type WriteInfo struct {
offset int64
size int32
}
writeInfos := make([]WriteInfo, 10)
mockLastUpdateTime := uint64(1000000000000)
for i := 1; i <= 10; i++ {
n := newRandomNeedle(uint64(i % 5))
n.Flags = 0x08
n.LastModified = mockLastUpdateTime
mockLastUpdateTime += 2000
offset, _, _, err := v.writeNeedle2(n, true, false)
if err != nil {
t.Fatalf("write needle %d: %v", i, err)
}
if i < 5 {
size, err := v.deleteNeedle2(n)
if err != nil {
t.Fatalf("delete needle %d: %v", i, err)
}
writeInfos[i-1] = WriteInfo{offset: int64(offset), size: int32(size)}
} else {
writeInfos[i-1] = WriteInfo{offset: int64(offset), size: int32(n.Size)}
}
}
expectedLastUpdateTime := uint64(1000000000000)
for i := 0; i < 10; i++ {
testNeedle := new(needle.Needle)
testNeedle.Id = types.Uint64ToNeedleId(uint64(i + 1%5))
testNeedle.Flags = 0x08
v.readNeedleMetaAt(testNeedle, writeInfos[i].offset, writeInfos[i].size)
actualLastModifiedTime := testNeedle.LastModified
assert.Equal(t, expectedLastUpdateTime, actualLastModifiedTime, "The two words should be the same.")
expectedLastUpdateTime += 2000
}
}