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

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Siying Dong b555ed30a4 Customized BlockBasedTableIterator and LevelIterator ... Summary: Use a customzied BlockBasedTableIterator and LevelIterator to replace current implementations leveraging two-level-iterator. Hope the customized logic will make code easier to understand. As a side effect, BlockBasedTableIterator reduces the allocation for the data block iterator object, and avoid the virtual function call to it, because we can directly reference BlockIter, a final class. Similarly, LevelIterator reduces virtual function call to the dummy iterator iterating the file metadata. It also enabled further optimization. The upper bound check is also moved from index block to data block. This implementation fits this iterator better. After the change, forwared iterator is slightly optimized to ensure we trim those iterators. The two-level-iterator now is only used by partitioned index, so it is simplified. Closes https://github.com/facebook/rocksdb/pull/3406 Differential Revision: D6809041 Pulled By: siying fbshipit-source-id: 7da3b9b1d3c8e9d9405302c15920af1fcaf50ffa		7 years ago
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adaptive_table_factory.cc	Support prefetch last 512KB with direct I/O in block based file reader	7 years ago
adaptive_table_factory.h	Revert "comment out unused parameters"	7 years ago
block.cc	BlockBasedTable::NewDataBlockIterator to always return BlockIter	7 years ago
block.h	BlockBasedTable::NewDataBlockIterator to always return BlockIter	7 years ago
block_based_filter_block.cc	Revert "comment out unused parameters"	7 years ago
block_based_filter_block.h	Change RocksDB License	7 years ago
block_based_filter_block_test.cc	Change RocksDB License	7 years ago
block_based_table_builder.cc	Add a BlockBasedTableOption to turn off index block compression.	7 years ago
block_based_table_builder.h	TableProperty::oldest_key_time defaults to 0	7 years ago
block_based_table_factory.cc	Add a BlockBasedTableOption to turn off index block compression.	7 years ago
block_based_table_factory.h	Add a BlockBasedTableOption to turn off index block compression.	7 years ago
block_based_table_reader.cc	Customized BlockBasedTableIterator and LevelIterator	7 years ago
block_based_table_reader.h	Customized BlockBasedTableIterator and LevelIterator	7 years ago
block_builder.cc	Change RocksDB License	7 years ago
block_builder.h	Change RocksDB License	7 years ago
block_fetcher.cc	Refactor ReadBlockContents()	7 years ago
block_fetcher.h	Fix BlockFetcher ASAN error	7 years ago
block_prefix_index.cc	Change RocksDB License	7 years ago
block_prefix_index.h	Change RocksDB License	7 years ago
block_test.cc	Speed up BlockTest.BlockReadAmpBitmap	7 years ago
bloom_block.cc	Change RocksDB License	7 years ago
bloom_block.h	Change RocksDB License	7 years ago
cleanable_test.cc	Change RocksDB License	7 years ago
cuckoo_table_builder.cc	Enable MSVC W4 with a few exceptions. Fix warnings and bugs	7 years ago
cuckoo_table_builder.h	Change RocksDB License	7 years ago
cuckoo_table_builder_test.cc	Suppress lint in old files	7 years ago
cuckoo_table_factory.cc	Revert "comment out unused parameters"	7 years ago
cuckoo_table_factory.h	Replace dynamic_cast<>	7 years ago
cuckoo_table_reader.cc	table: Fix coverity issues	7 years ago
cuckoo_table_reader.h	remove unnecessary internal_comparator param in newIterator	7 years ago
cuckoo_table_reader_test.cc	fix gflags namespace	7 years ago
filter_block.h	Extend pin_l0 to filter partitions	7 years ago
flush_block_policy.cc	Change RocksDB License	7 years ago
format.cc	NUMBER_BLOCK_COMPRESSED, etc, shouldn't be treated as timer counter	7 years ago
format.h	Refactor ReadBlockContents()	7 years ago
full_filter_bits_builder.h	Change RocksDB License	7 years ago
full_filter_block.cc	Revert "comment out unused parameters"	7 years ago
full_filter_block.h	Revert "comment out unused parameters"	7 years ago
full_filter_block_test.cc	Change RocksDB License	7 years ago
get_context.cc	Reduce heavy hitter for Get operation	7 years ago
get_context.h	Reduce heavy hitter for Get operation	7 years ago
index_builder.cc	Enable MSVC W4 with a few exceptions. Fix warnings and bugs	7 years ago
index_builder.h	Revert "comment out unused parameters"	7 years ago
internal_iterator.h	Customized BlockBasedTableIterator and LevelIterator	7 years ago
iter_heap.h	Make InternalKeyComparator final and directly use it in merging iterator	7 years ago
iterator.cc	PinnableSlice move assignment	7 years ago
iterator_wrapper.h	Change RocksDB License	7 years ago
merger_test.cc	Make InternalKeyComparator final and directly use it in merging iterator	7 years ago
merging_iterator.cc	fix DBImpl::NewInternalIterator super-version leak on failure	7 years ago
merging_iterator.h	fix DBImpl::NewInternalIterator super-version leak on failure	7 years ago
meta_blocks.cc	Refactor ReadBlockContents()	7 years ago
meta_blocks.h	Support prefetch last 512KB with direct I/O in block based file reader	7 years ago
mock_table.cc	remove unnecessary internal_comparator param in newIterator	7 years ago
mock_table.h	remove unnecessary internal_comparator param in newIterator	7 years ago
partitioned_filter_block.cc	Reduce heavy hitter for Get operation	7 years ago
partitioned_filter_block.h	Extend pin_l0 to filter partitions	7 years ago
partitioned_filter_block_test.cc	Reduce heavy hitter for Get operation	7 years ago
persistent_cache_helper.cc	Change RocksDB License	7 years ago
persistent_cache_helper.h	Change RocksDB License	7 years ago
persistent_cache_options.h	Change RocksDB License	7 years ago
plain_table_builder.cc	Change RocksDB License	7 years ago
plain_table_builder.h	Change RocksDB License	7 years ago
plain_table_factory.cc	Allow upgrades from nullptr to some merge operator	7 years ago
plain_table_factory.h	Enable MSVC W4 with a few exceptions. Fix warnings and bugs	7 years ago
plain_table_index.cc	Change RocksDB License	7 years ago
plain_table_index.h	table: Fix coverity issues	7 years ago
plain_table_key_coding.cc	Revert "comment out unused parameters"	7 years ago
plain_table_key_coding.h	Change RocksDB License	7 years ago
plain_table_reader.cc	Support prefetch last 512KB with direct I/O in block based file reader	7 years ago
plain_table_reader.h	remove unnecessary internal_comparator param in newIterator	7 years ago
scoped_arena_iterator.h	Change RocksDB License	7 years ago
sst_file_writer.cc	Support skipping bloom filters for SstFileWriter	7 years ago
sst_file_writer_collectors.h	Revert "comment out unused parameters"	7 years ago
table_builder.h	TableProperty::oldest_key_time defaults to 0	7 years ago
table_properties.cc	Eliminate some redundant block reads.	7 years ago
table_properties_internal.h	Eliminate some redundant block reads.	7 years ago
table_reader.h	add VerifyChecksum() to db.h	7 years ago
table_reader_bench.cc	fix gflags namespace	7 years ago
table_test.cc	split RandomizedHarnessTest more ways	7 years ago
two_level_iterator.cc	Customized BlockBasedTableIterator and LevelIterator	7 years ago
two_level_iterator.h	Customized BlockBasedTableIterator and LevelIterator	7 years ago