Fix perf regression when calculating differences

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    • Storage Engines 2019-06-17
    • 0
    • v4.2, v4.0, v3.6

      Automated testing has identified two performance tests with regressions when calculating differences for large document overwrites. There are two sources of slowdown: the calculation of differences adds CPU load, and reads with (many) diffs are slower than reads of complete documents.

      Attempt to address these regressions without losing the benefits to cache pressure of calculating differences.

            Assignee:
            Michael Cahill (Inactive)
            Reporter:
            Michael Cahill (Inactive)
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              Updated:
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