bfs commit

internal/utils/bfs/blocks_file.go

@@ -316,7 +316,8 @@ func (this *BlocksFile) Close() error {
 		return nil
 	}
 
-	_ = this.sync(true)
+	// TODO 决定是否同步
+	//_ = this.sync(true)
 
 	this.isClosed = true
 

internal/utils/bfs/fs.go

@@ -256,6 +256,11 @@ func (this *FS) openBFileForHashWriting(hash string) (*BlocksFile, error) {
 	if ok {
 		// 调整当前BFile所在位置
 		this.mu.Lock()
+
+		if bFile.IsClosing() {
+			// TODO 需要重新等待打开
+		}
+
 		item, itemOk := this.bItemMap[bName]
 		if itemOk {
 			this.bList.Remove(item)

internal/utils/bfs/fs_options.go

@@ -18,9 +18,9 @@ type FSOptions struct {
 func (this *FSOptions) EnsureDefaults() {
 	if this.MaxOpenFiles <= 0 {
 		// 根据内存计算最大打开文件数
-		var maxOpenFiles = memutils.SystemMemoryGB() * 64
+		var maxOpenFiles = memutils.SystemMemoryGB() * 128
-		if maxOpenFiles > (4 << 10) {
+		if maxOpenFiles > (8 << 10) {
-			maxOpenFiles = 4 << 10
+			maxOpenFiles = 8 << 10
 		}
 		this.MaxOpenFiles = maxOpenFiles
 	}

internal/utils/bfs/threads_limiter.go

@@ -4,7 +4,6 @@ package bfs
 
 import "github.com/TeaOSLab/EdgeNode/internal/zero"
 
-// TODO 使用atomic代替channel？需要使用基准测试对比性能
 // TODO 线程数可以根据硬盘数量动态调整？
 var readThreadsLimiter = make(chan zero.Zero, 8)
 var writeThreadsLimiter = make(chan zero.Zero, 8)