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mirror of https://github.com/gilbertchen/duplicacy synced 2025-12-10 13:23:17 +00:00

A few fixes for multi-threaded pruning

This commit is contained in:
Gilbert Chen
2018-06-05 16:09:12 -04:00
parent dd53b4797e
commit f68eb13584
2 changed files with 30 additions and 9 deletions

View File

@@ -69,12 +69,19 @@ func CreateChunkOperator(storage Storage, threads int) *ChunkOperator {
}
func (operator *ChunkOperator) Stop() {
if atomic.LoadInt64(&operator.numberOfActiveTasks) < 0 {
return
}
for atomic.LoadInt64(&operator.numberOfActiveTasks) > 0 {
time.Sleep(100 * time.Millisecond)
}
for i := 0; i < operator.threads; i++ {
operator.stopChannel <- false
}
// Assign -1 to numberOfActiveTasks so Stop() can be called multiple times
atomic.AddInt64(&operator.numberOfActiveTasks, int64(-1))
}
func (operator *ChunkOperator) AddTask(operation int, chunkID string, filePath string) {
@@ -134,7 +141,6 @@ func (operator *ChunkOperator) Run(threadIndex int, task ChunkOperatorTask) {
LOG_DEBUG("CHUNK_FIND", "Chunk %s exists in the storage", task.chunkID)
}
} else if task.operation == ChunkOperationDelete {
// In exclusive mode, we assume no other restore operation is running concurrently.
err := operator.storage.DeleteFile(threadIndex, task.filePath)
if err != nil {
LOG_WARN("CHUNK_DELETE", "Failed to remove the file %s: %v", task.filePath, err)
@@ -160,7 +166,7 @@ func (operator *ChunkOperator) Run(threadIndex int, task ChunkOperatorTask) {
LOG_ERROR("CHUNK_DELETE", "Failed to fossilize the chunk %s: %v", task.chunkID, err)
}
} else {
LOG_TRACE("CHUNK_FOSSILIZE", "Fossilized chunk %s", task.chunkID)
LOG_TRACE("CHUNK_FOSSILIZE", "The chunk %s has been marked as a fossil", task.chunkID)
operator.fossilsLock.Lock()
operator.fossils = append(operator.fossils, fossilPath)
operator.fossilsLock.Unlock()

View File

@@ -1571,6 +1571,7 @@ func (manager *SnapshotManager) PruneSnapshots(selfID string, snapshotID string,
}
manager.chunkOperator = CreateChunkOperator(manager.storage, threads)
defer manager.chunkOperator.Stop()
prefPath := GetDuplicacyPreferencePath()
logDir := path.Join(prefPath, "logs")
@@ -1934,7 +1935,7 @@ func (manager *SnapshotManager) PruneSnapshots(selfID string, snapshotID string,
}
// Save the fossil collection if it is not empty.
if !collection.IsEmpty() && !dryRun {
if !collection.IsEmpty() && !dryRun && !exclusive {
collection.EndTime = time.Now().Unix()
collectionNumber := maxCollectionNumber + 1
@@ -2135,19 +2136,33 @@ func (manager *SnapshotManager) pruneSnapshotsExhaustive(referencedFossils map[s
// This is a fossil. If it is unreferenced, it can be a result of failing to save the fossil
// collection file after making it a fossil.
if _, found := referencedFossils[file]; !found {
if dryRun {
LOG_INFO("FOSSIL_UNREFERENCED", "Found unreferenced fossil %s", file)
continue
}
chunk := strings.Replace(file, "/", "", -1)
chunk = strings.Replace(chunk, ".fsl", "", -1)
if _, found := referencedChunks[chunk]; found {
if dryRun {
LOG_INFO("FOSSIL_REFERENCED", "Found referenced fossil %s", file)
continue
}
manager.chunkOperator.Resurrect(chunk, chunkDir + file)
fmt.Fprintf(logFile, "Found referenced fossil %s\n", file)
} else {
collection.AddFossil(chunkDir + file)
LOG_DEBUG("FOSSIL_FIND", "Found unreferenced fossil %s", file)
if dryRun {
LOG_INFO("FOSSIL_UNREFERENCED", "Found unreferenced fossil %s", file)
continue
}
if exclusive {
manager.chunkOperator.Delete(chunk, chunkDir + file)
} else {
collection.AddFossil(chunkDir + file)
LOG_DEBUG("FOSSIL_FIND", "Found unreferenced fossil %s", file)
}
fmt.Fprintf(logFile, "Found unreferenced fossil %s\n", file)
}
}