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authorChris Lu <chris.lu@gmail.com>2019-05-18 22:46:24 -0700
committerChris Lu <chris.lu@gmail.com>2019-05-18 22:46:24 -0700
commit87f63b9c08ba32e7c87553cf30f042d497f42a41 (patch)
tree0d24cc74c37078ab1d2825408fc2ef8f2d2ccbff /weed/storage/needle_map
parent12dc6608f00811dd0a25e1d2563cc3f4b2c81c06 (diff)
downloadseaweedfs-87f63b9c08ba32e7c87553cf30f042d497f42a41.tar.xz
seaweedfs-87f63b9c08ba32e7c87553cf30f042d497f42a41.zip
generate ec01~ec14, generate ecx file with sorted needle values
Diffstat (limited to 'weed/storage/needle_map')
-rw-r--r--weed/storage/needle_map/btree_map.go2
-rw-r--r--weed/storage/needle_map/compact_map.go49
-rw-r--r--weed/storage/needle_map/compact_map_test.go2
-rw-r--r--weed/storage/needle_map/needle_value.go13
-rw-r--r--weed/storage/needle_map/needle_value_map.go2
5 files changed, 47 insertions, 21 deletions
diff --git a/weed/storage/needle_map/btree_map.go b/weed/storage/needle_map/btree_map.go
index 74b4952b7..a26c5e068 100644
--- a/weed/storage/needle_map/btree_map.go
+++ b/weed/storage/needle_map/btree_map.go
@@ -43,7 +43,7 @@ func (cm *BtreeMap) Get(key NeedleId) (*NeedleValue, bool) {
}
// Visit visits all entries or stop if any error when visiting
-func (cm *BtreeMap) Visit(visit func(NeedleValue) error) (ret error) {
+func (cm *BtreeMap) AscendingVisit(visit func(NeedleValue) error) (ret error) {
cm.tree.Ascend(func(item btree.Item) bool {
needle := item.(NeedleValue)
ret = visit(needle)
diff --git a/weed/storage/needle_map/compact_map.go b/weed/storage/needle_map/compact_map.go
index 193d17e47..8aee51ec9 100644
--- a/weed/storage/needle_map/compact_map.go
+++ b/weed/storage/needle_map/compact_map.go
@@ -244,24 +244,37 @@ func (cm *CompactMap) binarySearchCompactSection(key NeedleId) int {
}
// Visit visits all entries or stop if any error when visiting
-func (cm *CompactMap) Visit(visit func(NeedleValue) error) error {
+func (cm *CompactMap) AscendingVisit(visit func(NeedleValue) error) error {
for _, cs := range cm.list {
cs.RLock()
- for i, v := range cs.overflow {
- if err := visit(toNeedleValue(cs.overflowExtra[i], v, cs)); err != nil {
+ var i, j int
+ for i, j = 0, 0; i < len(cs.overflow) && j < len(cs.values) && j<cs.counter; {
+ if cs.overflow[i].Key < cs.values[j].Key {
+ if err := visit(toNeedleValue(cs.overflowExtra[i], cs.overflow[i], cs)); err != nil {
+ cs.RUnlock()
+ return err
+ }
+ i++
+ }else if cs.overflow[i].Key == cs.values[j].Key {
+ j++
+ }else{
+ if err := visit(toNeedleValue(cs.valuesExtra[j], cs.values[j], cs)); err != nil {
+ cs.RUnlock()
+ return err
+ }
+ j++
+ }
+ }
+ for ;i < len(cs.overflow);i++{
+ if err := visit(toNeedleValue(cs.overflowExtra[i], cs.overflow[i], cs)); err != nil {
cs.RUnlock()
return err
}
}
- for i, v := range cs.values {
- if i >= cs.counter {
- break
- }
- if _, _, found := cs.findOverflowEntry(v.Key); !found {
- if err := visit(toNeedleValue(cs.valuesExtra[i], v, cs)); err != nil {
- cs.RUnlock()
- return err
- }
+ for ; j < len(cs.values)&& j<cs.counter;j++{
+ if err := visit(toNeedleValue(cs.valuesExtra[j], cs.values[j], cs)); err != nil {
+ cs.RUnlock()
+ return err
}
}
cs.RUnlock()
@@ -279,10 +292,10 @@ func toNeedleValue(snve SectionalNeedleValueExtra, snv SectionalNeedleValue, cs
func (nv NeedleValue) toSectionalNeedleValue(cs *CompactSection) (SectionalNeedleValue, SectionalNeedleValueExtra) {
return SectionalNeedleValue{
- SectionalNeedleId(nv.Key - cs.start),
- nv.Offset.OffsetLower,
- nv.Size,
- }, SectionalNeedleValueExtra{
- nv.Offset.OffsetHigher,
- }
+ SectionalNeedleId(nv.Key - cs.start),
+ nv.Offset.OffsetLower,
+ nv.Size,
+ }, SectionalNeedleValueExtra{
+ nv.Offset.OffsetHigher,
+ }
}
diff --git a/weed/storage/needle_map/compact_map_test.go b/weed/storage/needle_map/compact_map_test.go
index 4894e59ad..3bad85727 100644
--- a/weed/storage/needle_map/compact_map_test.go
+++ b/weed/storage/needle_map/compact_map_test.go
@@ -19,7 +19,7 @@ func TestOverflow2(t *testing.T) {
m.Set(NeedleId(150158), ToOffset(8), 3000073)
m.Set(NeedleId(150162), ToOffset(8), 3000073)
- m.Visit(func(value NeedleValue) error {
+ m.AscendingVisit(func(value NeedleValue) error {
println("needle key:", value.Key)
return nil
})
diff --git a/weed/storage/needle_map/needle_value.go b/weed/storage/needle_map/needle_value.go
index d0c0b9006..ef540b55e 100644
--- a/weed/storage/needle_map/needle_value.go
+++ b/weed/storage/needle_map/needle_value.go
@@ -2,6 +2,7 @@ package needle_map
import (
. "github.com/chrislusf/seaweedfs/weed/storage/types"
+ "github.com/chrislusf/seaweedfs/weed/util"
"github.com/google/btree"
)
@@ -15,3 +16,15 @@ func (this NeedleValue) Less(than btree.Item) bool {
that := than.(NeedleValue)
return this.Key < that.Key
}
+
+func (nv NeedleValue) ToBytes() []byte {
+ return ToBytes(nv.Key, nv.Offset, nv.Size)
+}
+
+func ToBytes(key NeedleId, offset Offset, size uint32) []byte {
+ bytes := make([]byte, NeedleIdSize+OffsetSize+SizeSize)
+ NeedleIdToBytes(bytes[0:NeedleIdSize], key)
+ OffsetToBytes(bytes[NeedleIdSize:NeedleIdSize+OffsetSize], offset)
+ util.Uint32toBytes(bytes[NeedleIdSize+OffsetSize:NeedleIdSize+OffsetSize+SizeSize], size)
+ return bytes
+}
diff --git a/weed/storage/needle_map/needle_value_map.go b/weed/storage/needle_map/needle_value_map.go
index acf38a4bf..0a5a00ef7 100644
--- a/weed/storage/needle_map/needle_value_map.go
+++ b/weed/storage/needle_map/needle_value_map.go
@@ -8,5 +8,5 @@ type NeedleValueMap interface {
Set(key NeedleId, offset Offset, size uint32) (oldOffset Offset, oldSize uint32)
Delete(key NeedleId) uint32
Get(key NeedleId) (*NeedleValue, bool)
- Visit(visit func(NeedleValue) error) error
+ AscendingVisit(visit func(NeedleValue) error) error
}