To minimize global bandwidth consumption and read latency, HDFS tries to satisfy a read request from a replica that is closest to the reader.
副本的选择,为了降低整体的带宽消耗和读延时,HDFS会尽量让reader读最近的副本。
To minimize global bandwidth consumption and read latency, HDFS tries to satisfy a read request from a replica that is closest to the reader.
为了最大限度地减少全局带宽消耗和读取延迟,HDFS试图让读取者的读取需求离副本最近。
All conflicts are recorded and resolved at the hub (global) replica.
所有冲突都在中心(全局)副本中记录和解决。
All conflicts are recorded and resolved at the hub (global) replica.
所有冲突都在中心(全局)副本中记录和解决。
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