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reduce file seek when writing

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This commit is contained in:
Chris Lu
2018-12-31 15:08:32 -08:00
parent 81904ad336
commit 1478d7ea21
5 changed files with 27 additions and 47 deletions
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6
weed/storage/volume_vacuum.go
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@@ -215,7 +215,7 @@ func (v *Volume) makeupDiff(newDatFileName, newIdxFileName, oldDatFileName, oldI
fakeDelNeedle.Id = key
fakeDelNeedle.Cookie = 0x12345678
fakeDelNeedle.AppendAtNs = uint64(time.Now().UnixNano())
_, _, err = fakeDelNeedle.Append(dst, v.Version())
_, _, _, err = fakeDelNeedle.Append(dst, v.Version())
if err != nil {
return fmt.Errorf("append deleted %d failed: %v", key, err)
}
@@ -269,7 +269,7 @@ func (v *Volume) copyDataAndGenerateIndexFile(dstName, idxName string, prealloca
if err = nm.Put(n.Id, Offset(new_offset/NeedlePaddingSize), n.Size); err != nil {
return fmt.Errorf("cannot put needle: %s", err)
}
if _, _, err := n.Append(dst, v.Version()); err != nil {
if _, _, _, err := n.Append(dst, v.Version()); err != nil {
return fmt.Errorf("cannot append needle: %s", err)
}
new_offset += n.DiskSize(version)
@@ -329,7 +329,7 @@ func (v *Volume) copyDataBasedOnIndexFile(dstName, idxName string) (err error) {
if err = nm.Put(n.Id, Offset(new_offset/NeedlePaddingSize), n.Size); err != nil {
return fmt.Errorf("cannot put needle: %s", err)
}
if _, _, err = n.Append(dst, v.Version()); err != nil {
if _, _, _, err = n.Append(dst, v.Version()); err != nil {
return fmt.Errorf("cannot append needle: %s", err)
}
new_offset += n.DiskSize(v.Version())