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add grpc ec shard read

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This commit is contained in:
Chris Lu
2019-05-27 11:59:03 -07:00
parent a4f3d82c57
commit b4b407e403
12 changed files with 418 additions and 168 deletions
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5
weed/server/volume_grpc_tail.go
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@@ -69,12 +69,11 @@ func sendNeedlesSince(stream volume_server_pb.VolumeServer_VolumeTailSenderServe
err = storage.ScanVolumeFileNeedleFrom(v.Version(), v.DataFile(), foundOffset.ToAcutalOffset(), func(needleHeader, needleBody []byte, needleAppendAtNs uint64) error {
blockSizeLimit := 1024 * 1024 * 2
isLastChunk := false
// need to send body by chunks
for i := 0; i < len(needleBody); i += blockSizeLimit {
stopOffset := i + blockSizeLimit
for i := 0; i < len(needleBody); i += BufferSizeLimit {
stopOffset := i + BufferSizeLimit
if stopOffset >= len(needleBody) {
isLastChunk = true
stopOffset = len(needleBody)