fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Andrew Kryczka 508a09fd62 Print histogram count and sum in statistics string ... Summary: Previously it only printed percentiles, even though our histogram keeps track of count and sum (and more). There have been many times we want to know more than the percentiles. For example, we currently want sum of "rocksdb.compression.times.nanos" and sum of "rocksdb.decompression.times.nanos", which would allow us to know the relative cost of compression vs decompression. This PR adds count and sum to the string printed by `StatisticsImpl::ToString`. This is a bit risky as there are definitely parsers assuming the old format. I will mention it in HISTORY.md and hope for the best... Closes https://github.com/facebook/rocksdb/pull/3863 Differential Revision: D8038831 Pulled By: ajkr fbshipit-source-id: 0465b72e4b0cbf18ef965f4efe402601d16d5b5c		7 years ago
..
file_read_sample.h	Change RocksDB License	8 years ago
histogram.cc	Print histogram count and sum in statistics string	7 years ago
histogram.h	Scale histogram bucket size by constant factor	7 years ago
histogram_test.cc	fix inclusive-exclusiveness of histogram ToString	7 years ago
histogram_windowing.cc	uint64_t and size_t changes to compile for iOS	7 years ago
histogram_windowing.h	fix HistogramWindowingImpl copy-{assignment,constructor}	7 years ago
instrumented_mutex.cc	In instrumented mutex, take timing once for both of perf_context and statistics	7 years ago
instrumented_mutex.h	Change RocksDB License	8 years ago
iostats_context.cc	Directly refernce perf_context internally.	7 years ago
iostats_context_imp.h	Directly refernce perf_context internally.	7 years ago
iostats_context_test.cc	Change RocksDB License	8 years ago
perf_context.cc	Improve write time breakdown stats	7 years ago
perf_context_imp.h	In instrumented mutex, take timing once for both of perf_context and statistics	7 years ago
perf_level.cc	Change RocksDB License	8 years ago
perf_level_imp.h	Change RocksDB License	8 years ago
perf_step_timer.h	In instrumented mutex, take timing once for both of perf_context and statistics	7 years ago
statistics.cc	Print histogram count and sum in statistics string	7 years ago
statistics.h	Add a ticker stat for number of keys skipped during iteration	7 years ago
statistics_test.cc	Change RocksDB License	8 years ago
thread_status_impl.cc	comment unused parameters to turn on -Wunused-parameter flag	7 years ago
thread_status_updater.cc	comment unused parameters to turn on -Wunused-parameter flag	7 years ago
thread_status_updater.h	Use RAII instead of pointers in cf_info_map	7 years ago
thread_status_updater_debug.cc	comment unused parameters to turn on -Wunused-parameter flag	7 years ago
thread_status_util.cc	comment unused parameters to turn on -Wunused-parameter flag	7 years ago
thread_status_util.h	Change RocksDB License	8 years ago
thread_status_util_debug.cc	Change RocksDB License	8 years ago