[pull] memtable_as_log_index from topling:memtable_as_log_index#4
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[pull] memtable_as_log_index from topling:memtable_as_log_index#4pull[bot] wants to merge 69 commits intohugegraph:memtable_as_log_indexfrom
pull[bot] wants to merge 69 commits intohugegraph:memtable_as_log_indexfrom
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This makes ToplingDB Web auto refresh pretty
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And strip db_bench in build-trial.sh
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Refactory of FilePicker was introduced at 2014-07-16 (0418e66), it harms performance and make the code complicated. This commit makes the code simpler and faster. ToplingDB is more than 10x faster than RocksDB, the improvement from this change is significant: The latency is reduced from 260ns to 234ns on E5 2682 v4 in wsl2 with -benchmarks=fillseq,compact,readrandom -value_size=15 -num=100000000 in readrandom DBImpl::Get consumes 73%, others are db_bench framework, the DBImpl::Get consumes 234*73% = 170ns
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This change make the code simpler and faster. Now it is 230ns, 4ns is reduced.
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With template trick, propagate template param PerfStepTimer and StopWatchNano, improves 3ns, about 1.5%.
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