bird进程

在Mac OS X上,有一个bird后台进程,在使用icloud存储同步服务时,可能会出现非常高的cpu使用率。

参考 Process 'Bird' in Activity Monitor

bird是一个后台云功能的系统进程,没有配置选项,也不能手工运行。

当有大量文件同步的时候,cpu资源消耗严重。

"bird" process is taking over提供了一个监视bird同步文件的方法:

brctl log --wait --shorten

此时可以看到同步日志

[note]  4567.467 [2016-03-24 14:33:59.388] sqlite.clientTruth             fs.uploader              BRCFSUploader.m:1051
    uploading 1 documents in com.apple.CloudDocs
[WARN]  4568.320 [2016-03-24 14:34:00.241] NSXPCConnection.user.796       container-metadata         BRContainer.m:1398
    invalid container name (nil)
[ERROR] 4568.320 [2016-03-24 14:34:00.241] NSXPCConnection.user.796       xpc.client                 BRCXPCClient.m:808
    nil error: <NSError:0x7fb9bbc5bea0(NSPOSIXErrorDomain:1) - {
        NSDescription = "can't create container for (null)";
    }>
[note]  4568.393 [2016-03-24 14:34:00.314] sqlite.clientTruth             fs.uploader              BRCFSUploader.m:1051
    uploading 1 documents in com.apple.CloudDocs
[note]  4577.168 [2016-03-24 14:34:09.089] upload/com.apple.CloudDocs     sync.transfer        BRCTransferBatchOperation.m:227
    finished uploading 1 items (12 KB) in com.apple.CloudDocs
load: 2.22  cmd: brctl 2229 waiting 0.01u 0.01s

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