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ec encode distribute ec data and parity shards evenly

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This commit is contained in:
Chris Lu
2019-12-24 16:52:21 -08:00
parent 9ff72f616a
commit 3ebeae0c0b
3 changed files with 36 additions and 27 deletions
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8
weed/shell/command_ec_common.go
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@@ -22,7 +22,7 @@ func moveMountedShardToEcNode(ctx context.Context, commandEnv *CommandEnv, exist
if applyBalancing {
// ask destination node to copy shard and the ecx file from source node, and mount it
copiedShardIds, err = oneServerCopyAndMountEcShardsFromSource(ctx, commandEnv.option.GrpcDialOption, destinationEcNode, uint32(shardId), 1, vid, collection, existingLocation.info.Id)
copiedShardIds, err = oneServerCopyAndMountEcShardsFromSource(ctx, commandEnv.option.GrpcDialOption, destinationEcNode, []uint32{uint32(shardId)}, vid, collection, existingLocation.info.Id)
if err != nil {
return err
}
@@ -51,13 +51,9 @@ func moveMountedShardToEcNode(ctx context.Context, commandEnv *CommandEnv, exist
}
func oneServerCopyAndMountEcShardsFromSource(ctx context.Context, grpcDialOption grpc.DialOption,
targetServer *EcNode, startFromShardId uint32, shardCount int,
targetServer *EcNode, shardIdsToCopy []uint32,
volumeId needle.VolumeId, collection string, existingLocation string) (copiedShardIds []uint32, err error) {
var shardIdsToCopy []uint32
for shardId := startFromShardId; shardId < startFromShardId+uint32(shardCount); shardId++ {
shardIdsToCopy = append(shardIdsToCopy, shardId)
}
fmt.Printf("allocate %d.%v %s => %s\n", volumeId, shardIdsToCopy, existingLocation, targetServer.info.Id)
err = operation.WithVolumeServerClient(targetServer.info.Id, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {