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ADHOC: add read needle meta grpc (#3581)

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* ADHOC: add read needle meta grpc

* add test

* nit

Co-authored-by: root <root@HQ-10MSTD3EY.roblox.local>
This commit is contained in:
Eric Yang
2022-09-06 23:51:27 -07:00
committed by GitHub
parent c07ab9c060
commit b324a6536c
23 changed files with 1549 additions and 1123 deletions
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8
weed/storage/erasure_coding/ec_volume.go
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@@ -210,10 +210,14 @@ func (ev *EcVolume) LocateEcShardNeedle(needleId types.NeedleId, version needle.
return types.Offset{}, 0, nil, fmt.Errorf("FindNeedleFromEcx: %v", err)
}
shard := ev.Shards[0]
intervals = ev.LocateEcShardNeedleInterval(version, offset.ToActualOffset(), types.Size(needle.GetActualSize(size, version)))
return
}
func (ev *EcVolume) LocateEcShardNeedleInterval(version needle.Version, offset int64, size types.Size) (intervals []Interval) {
shard := ev.Shards[0]
// calculate the locations in the ec shards
intervals = LocateData(ErasureCodingLargeBlockSize, ErasureCodingSmallBlockSize, DataShardsCount*shard.ecdFileSize, offset.ToActualOffset(), types.Size(needle.GetActualSize(size, version)))
intervals = LocateData(ErasureCodingLargeBlockSize, ErasureCodingSmallBlockSize, DataShardsCount*shard.ecdFileSize, offset, types.Size(needle.GetActualSize(size, version)))
return
}