On 02/05/2014 04:48 PM, Amit Kapila wrote:
I have done one test where there is a large suffix match, but not large enough that it can compress more than 75% of string, the CPU overhead with wal-update-prefix-suffix-encode-1.patch is not much, but there is no I/O reduction as well.
Hmm, it's supposed to compress if you save at least 25%, not 75%. Apparently I got that backwards in the patch...
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