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

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Jay Zhuang a3acf2ef87 Add seqno to time mapping (#10338) ... Summary: Which will be used for tiered storage to preclude hot data from compacting to the cold tier (the last level). Internally, adding seqno to time mapping. A periodic_task is scheduled to record the current_seqno -> current_time in certain cadence. When memtable flush, the mapping informaiton is stored in sstable property. During compaction, the mapping information are merged and get the approximate time of sequence number, which is used to determine if a key is recently inserted or not and preclude it from the last level if it's recently inserted (within the `preclude_last_level_data_seconds`). Pull Request resolved: https://github.com/facebook/rocksdb/pull/10338 Test Plan: CI Reviewed By: siying Differential Revision: D37810187 Pulled By: jay-zhuang fbshipit-source-id: 6953be7a18a99de8b1cb3b162d712f79c2b4899f		2 years ago
..
adaptive	More refactoring ahead of footer & meta changes (#9240)	3 years ago
block_based	Add seqno to time mapping (#10338)	2 years ago
cuckoo	Remove own ToString() (#9955)	3 years ago
plain	Add seqno to time mapping (#10338)	2 years ago
block_fetcher.cc	Provide support for direct_reads with async_io (#10197)	2 years ago
block_fetcher.h	Seek parallelization (#9994)	2 years ago
block_fetcher_test.cc	Make MemoryAllocator into a Customizable class (#8980)	3 years ago
cleanable_test.cc	Eliminate unnecessary (slow) block cache Ref()ing in MultiGet (#9899)	3 years ago
format.cc	Set Read rate limiter priority dynamically and pass it to FS (#9996)	3 years ago
format.h	Remove code that only compiles for Visual Studio versions older than 2015 (#10065)	2 years ago
get_context.cc	Have Cache use Status::MemoryLimit (#10262)	2 years ago
get_context.h	Add API for writing wide-column entities (#10242)	2 years ago
internal_iterator.h	Make InternalKeyComparator not configurable (#10342)	2 years ago
iter_heap.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
iterator.cc	Eliminate unnecessary (slow) block cache Ref()ing in MultiGet (#9899)	3 years ago
iterator_wrapper.h	Reuse internal auto readhead_size at each Level (expect L0) for Iterations (#9056)	3 years ago
merger_test.cc	Cleanup multiple implementations of VectorIterator (#8901)	3 years ago
merging_iterator.cc	Seek parallelization (#9994)	2 years ago
merging_iterator.h	Cleanup includes in dbformat.h (#8930)	3 years ago
meta_blocks.cc	Add seqno to time mapping (#10338)	2 years ago
meta_blocks.h	Tests for filter compatibility (#9773)	3 years ago
mock_table.cc	Add rate limiter priority to ReadOptions (#9424)	3 years ago
mock_table.h	Fix some minor issues in the Customizable infrastructure (#8566)	3 years ago
multiget_context.h	Point-lookup returns timestamps of Delete and SingleDelete (#10056)	2 years ago
persistent_cache_helper.cc	New stable, fixed-length cache keys (#9126)	3 years ago
persistent_cache_helper.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
persistent_cache_options.h	Use STATIC_AVOID_DESTRUCTION for static objects with non-trivial destructors (#9958)	3 years ago
scoped_arena_iterator.h	Remove code that only compiles for Visual Studio versions older than 2015 (#10065)	2 years ago
sst_file_dumper.cc	Remove customized naming from InternalKeyComparator (#10343)	2 years ago
sst_file_dumper.h	Support using ZDICT_finalizeDictionary to generate zstd dictionary (#9857)	2 years ago
sst_file_reader.cc	Fast path for detecting unchanged prefix_extractor (#9407)	3 years ago
sst_file_reader_test.cc	Use the comparator from the sst file table properties in sst_dump_tool (#9491)	3 years ago
sst_file_writer.cc	Add seqno to time mapping (#10338)	2 years ago
sst_file_writer_collectors.h	Remove own ToString() (#9955)	3 years ago
table_builder.h	Add seqno to time mapping (#10338)	2 years ago
table_factory.cc	Restore Regex support for ObjectLibrary::Register, rename new APIs to allow old one to be deprecated in the future (#9362)	3 years ago
table_properties.cc	Add seqno to time mapping (#10338)	2 years ago
table_properties_internal.h	Improve / clean up meta block code & integrity (#9163)	3 years ago
table_reader.h	Multi file concurrency in MultiGet using coroutines and async IO (#9968)	3 years ago
table_reader_bench.cc	Fast path for detecting unchanged prefix_extractor (#9407)	3 years ago
table_reader_caller.h	Fix and detect headers with missing dependencies (#8893)	3 years ago
table_test.cc	Fix typo in comments and code (#10233)	2 years ago
two_level_iterator.cc	Clarify caching behavior for index and filter partitions (#9068)	3 years ago
two_level_iterator.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
unique_id.cc	Track SST unique id in MANIFEST and verify (#9990)	3 years ago
unique_id_impl.h	Track SST unique id in MANIFEST and verify (#9990)	3 years ago