support send large file to workload #532
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jschwinger233
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Jan 7, 2022
jschwinger233
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jschwinger233
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Jan 19, 2022
cluster/cluster.go
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| @@ -73,6 +73,7 @@ type Cluster interface { | |||
| // file methods | |||
| Copy(ctx context.Context, opts *types.CopyOptions) (chan *types.CopyMessage, error) | |||
| Send(ctx context.Context, opts *types.SendOptions) (chan *types.SendMessage, error) | |||
| SendLargeFile(ctx context.Context, opts chan *types.SendLargeFileOptions, resp chan *types.SendMessage) error | |||
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其实不用加新的 interface, 直接改旧的 Send 就可以了.
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要是有问题可以开个 zoom 来讨论 |
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我改了下代码，现在看起来是能够跑了。但是会有些比较诡异的情况，时而成功时而失败，让我再debug一下。然后关于上面的review意见我也再改一下。 |
jschwinger233
requested changes
Feb 17, 2022
cluster/calcium/sendlarge.go
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| utils.SentryGo(func(ID, name string, size int64, content io.Reader, uid, gid int, mode int64) func() { | ||
| return func() { | ||
| defer wg.Done() | ||
| if err := c.withWorkloadLocked(ctx, ID, func(ctx context.Context, workload *types.Workload) error { |
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每个 chunk 都上一次锁, 虽然临界区是小了, 但是代价可能有点大. 考虑下从头到尾只上一把大锁, 传个大文件(>1G)对比一下耗时.
| @@ -39,6 +39,7 @@ type API interface { | |||
| VirtualizationCreate(ctx context.Context, opts *enginetypes.VirtualizationCreateOptions) (*enginetypes.VirtualizationCreated, error) | |||
| VirtualizationResourceRemap(context.Context, *enginetypes.VirtualizationRemapOptions) (<-chan enginetypes.VirtualizationRemapMessage, error) | |||
| VirtualizationCopyTo(ctx context.Context, ID, target string, content []byte, uid, gid int, mode int64) error | |||
| VirtualizationCopyChunkTo(ctx context.Context, ID, target string, size int64, content io.Reader, uid, gid int, mode int64) error | |||
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CopyTo 和 CopyChunkTo 可以合并吧, 让 cluster.Copy 和 cluster.CopyLarge 都调用一个 engine 接口
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刚才简单讨论了一下, rpc 层还是两个 API, 但是 cluster 层和 engine 都只有一个 send 接口.
jschwinger233
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Mar 7, 2022
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resolve conflicts. |
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另外注意一下单元测试覆盖率和实际测试下多路文件并发 send |
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关于cli的send命令，之前的
send是直接整个文件发到core里面，但是core的grpc配置为单条message最大只能为20M，所以有些文件是无法传输到core端的。这里是增加了一个叫做
SendLargeFile的方法，用stream的方式接受cli端分chunk发送过来的数据，并拼接起来再一并发送到容器里面。