wip: reduce time doing index lookup during ancient packing (and later for shrink) #99
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jeffwashington
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this causes contention on a write lock and doesn't help as much as I'd like. |
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Problem
in simulation test networks, the time to read the index for a group of append vecs to pack into an ancient append vec or shrink is 100x the time to write the contents to a new append vec.
Summary of Changes
Attempt to reduce the thrashing of the index by doing all lookups by index bin.
Fixes #