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

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Changyu Bi 534fb06dd3 Prevent iterating over range tombstones beyond `iterate_upper_bound` (#10966) ... Summary: Currently, `iterate_upper_bound` is not checked for range tombstone keys in MergingIterator. This may impact performance when there is a large number of range tombstones right after `iterate_upper_bound`. This PR fixes this issue by checking `iterate_upper_bound` in MergingIterator for range tombstone keys. Pull Request resolved: https://github.com/facebook/rocksdb/pull/10966 Test Plan: - added unit test - stress test: `python3 tools/db_crashtest.py whitebox --simple --verify_iterator_with_expected_state_one_in=5 --delrangepercent=5 --prefixpercent=18 --writepercent=48 --readpercen=15 --duration=36000 --range_deletion_width=100` - ran different stress tests over sandcastle - Falcon team ran some test traffic and saw reduced CPU usage on processing range tombstones. Reviewed By: ajkr Differential Revision: D41414172 Pulled By: cbi42 fbshipit-source-id: 9b2c29eb3abb99327c6a649bdc412e70d863f981		2 years ago
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compacted_db_impl.cc	Run clang-format on some files in db/db_impl directory (#10869)	2 years ago
compacted_db_impl.h	Run clang-format on some files in db/db_impl directory (#10869)	2 years ago
db_impl.cc	Prevent iterating over range tombstones beyond `iterate_upper_bound` (#10966)	2 years ago
db_impl.h	Basic Support for Merge with user-defined timestamp (#10819)	2 years ago
db_impl_compaction_flush.cc	Fix FIFO causing overlapping seqnos in L0 files due to overlapped seqnos between ingested files and memtable's (#10777)	2 years ago
db_impl_debug.cc	Add manual_wal_flush, FlushWAL() to stress/crash test (#10698)	2 years ago
db_impl_experimental.cc	Remove unused fields from FileMetaData (temporarily) (#10443)	2 years ago
db_impl_files.cc	Add new property in IOOptions to skip recursing through directories and list only files during GetChildren. (#10668)	2 years ago
db_impl_open.cc	Run clang-format on some files in db/db_impl directory (#10869)	2 years ago
db_impl_readonly.cc	Skip swaths of range tombstone covered keys in merging iterator (2022 edition) (#10449)	2 years ago
db_impl_readonly.h	Run clang-format on some files in db/db_impl directory (#10869)	2 years ago
db_impl_secondary.cc	Run clang-format on some files in db/db_impl directory (#10869)	2 years ago
db_impl_secondary.h	Run clang-format on some files in db/db_impl directory (#10869)	2 years ago
db_impl_write.cc	Basic Support for Merge with user-defined timestamp (#10819)	2 years ago