Amazon Redshift 的新功能 (BZIP2)

Amazon Redshift 也推出了好幾個新功能,不過有個有點奇怪的壓縮格式 bzip2 出現了:「Amazon Redshift announces tag-based permissions, default access privileges, and BZIP2 compression format」。

BZIP2 data format: The COPY command now accepts data in BZIP2 compression format, in addition to GZIP and LZOP formats, when loading data into Amazon Redshift. Refer to Data Format Parameters for more details.

既然出了 bzip2,為什麼不一起出個效率與壓縮率都更好的 xz?但不管怎樣,總是多了一個壓縮率再更高一點的選擇... @_@

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