1.  block data
2.  data block

• 1. 数据块: data block | Block | Chunk | DB
• 2. 热数据块: Hot data block
• 3. 灰数据块: Dirty data block

更多释义

• 1.相反，后期工件通常是不透明的数据块。
  Postmortem artifacts, in contrast, are normally opaque blobs of data.
  dict.yoduao.com
• 2.每次通过管道处理数据块时，会执行该数据块的后脚本。
  Every time a chunk is processed by the pipelines, the post-script for the chunk is executed.
  dict.yoduao.com
• 3.当将一个数据块写入活动磁盘时，该数据块也将写入备用主机。
  When a block is written to the active disk, a copy of the block is also written to the backup host.
  dict.yoduao.com

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