Exploration of sqlite performance #845
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tskisner
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This branch has some changes to explore sqlite performance through modifying low-level DB parameters. It currently includes some temporary timers that will be removed before review. Some starting test scripts for parallel read are in pwg-scripts, but I expect there will not be much noticeable change until considering the case of multiple readers plus a writer. Or perhaps there will be other non-sqlite bottlenecks identified.