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Diffstat (limited to 'go')
-rw-r--r--go/storage/compact_map.go29
1 files changed, 19 insertions, 10 deletions
diff --git a/go/storage/compact_map.go b/go/storage/compact_map.go
index b96475860..9cfc3e8f7 100644
--- a/go/storage/compact_map.go
+++ b/go/storage/compact_map.go
@@ -22,8 +22,8 @@ type CompactSection struct {
counter int
}
-func NewCompactSection(start Key) CompactSection {
- return CompactSection{
+func NewCompactSection(start Key) *CompactSection {
+ return &CompactSection{
values: make([]NeedleValue, batch),
overflow: make(map[Key]NeedleValue),
start: start,
@@ -38,13 +38,13 @@ func (cs *CompactSection) Set(key Key, offset uint32, size uint32) uint32 {
}
if i := cs.binarySearchValues(key); i >= 0 {
ret = cs.values[i].Size
- //glog.V(4).Infoln("key", key, "old size", ret)
+ //println("key", key, "old size", ret)
cs.values[i].Offset, cs.values[i].Size = offset, size
} else {
needOverflow := cs.counter >= batch
needOverflow = needOverflow || cs.counter > 0 && cs.values[cs.counter-1].Key > key
if needOverflow {
- //glog.V(4).Infoln("start", cs.start, "counter", cs.counter, "key", key)
+ //println("start", cs.start, "counter", cs.counter, "key", key)
if oldValue, found := cs.overflow[key]; found {
ret = oldValue.Size
}
@@ -52,7 +52,7 @@ func (cs *CompactSection) Set(key Key, offset uint32, size uint32) uint32 {
} else {
p := &cs.values[cs.counter]
p.Key, p.Offset, p.Size = key, offset, size
- //glog.V(4).Infoln("added index", cs.counter, "key", key, cs.values[cs.counter].Key)
+ //println("added index", cs.counter, "key", key, cs.values[cs.counter].Key)
cs.counter++
}
}
@@ -88,16 +88,16 @@ func (cs *CompactSection) binarySearchValues(key Key) int {
if h >= 0 && cs.values[h].Key < key {
return -2
}
- //glog.V(4).Infoln("looking for key", key)
+ //println("looking for key", key)
for l <= h {
m := (l + h) / 2
- //glog.V(4).Infoln("mid", m, "key", cs.values[m].Key, cs.values[m].Offset, cs.values[m].Size)
+ //println("mid", m, "key", cs.values[m].Key, cs.values[m].Offset, cs.values[m].Size)
if cs.values[m].Key < key {
l = m + 1
} else if key < cs.values[m].Key {
h = m - 1
} else {
- //glog.V(4).Infoln("found", m)
+ //println("found", m)
return m
}
}
@@ -106,7 +106,7 @@ func (cs *CompactSection) binarySearchValues(key Key) int {
//This map assumes mostly inserting increasing keys
type CompactMap struct {
- list []CompactSection
+ list []*CompactSection
}
func NewCompactMap() CompactMap {
@@ -116,9 +116,18 @@ func NewCompactMap() CompactMap {
func (cm *CompactMap) Set(key Key, offset uint32, size uint32) uint32 {
x := cm.binarySearchCompactSection(key)
if x < 0 {
- //glog.V(4).Infoln(x, "creating", len(cm.list), "section1, starting", key)
+ //println(x, "creating", len(cm.list), "section, starting", key)
cm.list = append(cm.list, NewCompactSection(key))
x = len(cm.list) - 1
+ //keep compact section sorted by start
+ for x > 0 {
+ if cm.list[x-1].start > cm.list[x].start {
+ cm.list[x-1], cm.list[x] = cm.list[x], cm.list[x-1]
+ x = x - 1
+ } else {
+ break
+ }
+ }
}
return cm.list[x].Set(key, offset, size)
}