public virtual BlockReaderLocal.Builder SetCachingStrategy(CachingStrategy cachingStrategy
)
{
long readahead = cachingStrategy.GetReadahead() != null?cachingStrategy.GetReadahead
() : DFSConfigKeys.DfsDatanodeReadaheadBytesDefault;
this.maxReadahead = (int)Math.Min(int.MaxValue, readahead);
return(this);
}
private static DataTransferProtos.CachingStrategyProto GetCachingStrategy(CachingStrategy
cachingStrategy)
{
DataTransferProtos.CachingStrategyProto.Builder builder = DataTransferProtos.CachingStrategyProto
.NewBuilder();
if (cachingStrategy.GetReadahead() != null)
{
builder.SetReadahead(cachingStrategy.GetReadahead());
}
if (cachingStrategy.GetDropBehind() != null)
{
builder.SetDropBehind(cachingStrategy.GetDropBehind());
}
return((DataTransferProtos.CachingStrategyProto)builder.Build());
}