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lib/db: Flush batch based on size and refactor (fixes #5531) (#5536)

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Flush the batch when exceeding a certain size, instead of when reaching a number
of batched operations.
Move batch to lowlevel to be able to use it in NamespacedKV.
Increase the leveldb memory buffer from 4 to 16 MiB.
This commit is contained in:
Simon Frei
2019-02-15 00:15:13 +01:00
committed by Audrius Butkevicius
parent e2204d0071
commit ca3ae64bbf
6 changed files with 55 additions and 57 deletions
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4
lib/db/blockmap_test.go
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@@ -73,7 +73,7 @@ func addToBlockMap(db *instance, folder []byte, fs []protocol.FileInfo) {
name := []byte(f.Name)
for i, block := range f.Blocks {
binary.BigEndian.PutUint32(blockBuf, uint32(i))
keyBuf = t.db.keyer.GenerateBlockMapKey(keyBuf, folder, block.Hash, name)
keyBuf = t.keyer.GenerateBlockMapKey(keyBuf, folder, block.Hash, name)
t.Put(keyBuf, blockBuf)
}
}
@@ -89,7 +89,7 @@ func discardFromBlockMap(db *instance, folder []byte, fs []protocol.FileInfo) {
if !ef.IsDirectory() && !ef.IsDeleted() && !ef.IsInvalid() {
name := []byte(ef.Name)
for _, block := range ef.Blocks {
keyBuf = t.db.keyer.GenerateBlockMapKey(keyBuf, folder, block.Hash, name)
keyBuf = t.keyer.GenerateBlockMapKey(keyBuf, folder, block.Hash, name)
t.Delete(keyBuf)
}
}