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

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Maysam Yabandeh 0712d541d1 Delegate Cleanables ... Summary: Cleanable objects will perform the registered cleanups when they are destructed. We however rather to delay this cleaning like when we are gathering the merge operands. Current approach is to create the Cleanable object on heap (instead of on stack) and delay deleting it. By allowing Cleanables to delegate their cleanups to another cleanable object we can delay the cleaning without however the need to craete the cleanable object on heap and keeping it around. This patch applies this technique for the cleanups of BlockIter and shows improved performance for some in-memory benchmarks: +1.8% for merge worklaod, +6.4% for non-merge workload when the merge operator is specified. https://our.intern.facebook.com/intern/tasks?t=15168163 Non-merge benchmark: TEST_TMPDIR=/dev/shm/v100nocomp/ ./db_bench --benchmarks=fillrandom --num=1000000 -value_size=100 -compression_type=none Reading random with no merge operator specified: TEST_TMPDIR=/dev/shm/v100nocomp/ ./db_bench --benchmarks="read Closes https://github.com/facebook/rocksdb/pull/1711 Differential Revision: D4361163 Pulled By: maysamyabandeh fbshipit-source-id: 9801e07		8 years ago
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adaptive_table_factory.cc	solve the problem of table_factory_to_write_=nullptr (#1342)	8 years ago
adaptive_table_factory.h	Only cache level 0 indexes and filter when opening table reader	8 years ago
block.cc	Support SST files with Global sequence numbers [reland]	8 years ago
block.h	Fix wrong comment (Maximum supported block size)	8 years ago
block_based_filter_block.cc	BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists	9 years ago
block_based_filter_block.h	BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists	9 years ago
block_based_filter_block_test.cc	Add statistics field to show total size of index and filter blocks in block cache	9 years ago
block_based_table_builder.cc	table/block_based_table_builder.cc: intentional fallthrough - comment to match gcc pattern	8 years ago
block_based_table_builder.h	Compaction Support for Range Deletion	8 years ago
block_based_table_factory.cc	Print cache options to info log	8 years ago
block_based_table_factory.h	Only cache level 0 indexes and filter when opening table reader	8 years ago
block_based_table_reader.cc	Delegate Cleanables	8 years ago
block_based_table_reader.h	sst_dump support for range deletion	8 years ago
block_builder.cc	Miscellaneous performance improvements	8 years ago
block_builder.h	TableBuilder / TableReader support for range deletion	8 years ago
block_prefix_index.cc	Fix clang analyzer errors	8 years ago
block_prefix_index.h	Updated all copyright headers to the new format.	9 years ago
block_test.cc	Support SST files with Global sequence numbers [reland]	8 years ago
bloom_block.cc	Updated all copyright headers to the new format.	9 years ago
bloom_block.h	Updated all copyright headers to the new format.	9 years ago
cleanable_test.cc	Delegate Cleanables	8 years ago
cuckoo_table_builder.cc	Embed column family name in SST file	9 years ago
cuckoo_table_builder.h	Embed column family name in SST file	9 years ago
cuckoo_table_builder_test.cc	New Statistics to track Compression/Decompression (#1197)	8 years ago
cuckoo_table_factory.cc	Only cache level 0 indexes and filter when opening table reader	8 years ago
cuckoo_table_factory.h	Only cache level 0 indexes and filter when opening table reader	8 years ago
cuckoo_table_reader.cc	Add SeekForPrev() to Iterator	8 years ago
cuckoo_table_reader.h	Remove ImmutableCFOptions from public API	8 years ago
cuckoo_table_reader_test.cc	DeleteRange Get support	8 years ago
filter_block.h	BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists	9 years ago
flush_block_policy.cc	Miscellaneous performance improvements	8 years ago
format.cc	Insert range deletion meta-block into block cache	8 years ago
format.h	Insert range deletion meta-block into block cache	8 years ago
full_filter_block.cc	BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists	9 years ago
full_filter_block.h	BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists	9 years ago
full_filter_block_test.cc	Add statistics field to show total size of index and filter blocks in block cache	9 years ago
get_context.cc	Decouple data iterator and range deletion iterator in TableCache	8 years ago
get_context.h	Decouple data iterator and range deletion iterator in TableCache	8 years ago
internal_iterator.h	fix assertion failure in Prev()	8 years ago
iter_heap.h	Updated all copyright headers to the new format.	9 years ago
iterator.cc	Delegate Cleanables	8 years ago
iterator_wrapper.h	Add SeekForPrev() to Iterator	8 years ago
merger.cc	revert Prev() in MergingIterator to use previous code in non-prefix-seek mode	8 years ago
merger.h	revert Prev() in MergingIterator to use previous code in non-prefix-seek mode	8 years ago
merger_test.cc	Updated all copyright headers to the new format.	9 years ago
meta_blocks.cc	Support SST files with Global sequence numbers [reland]	8 years ago
meta_blocks.h	New Statistics to track Compression/Decompression (#1197)	8 years ago
mock_table.cc	DeleteRange flush support	8 years ago
mock_table.h	Add SeekForPrev() to Iterator	8 years ago
persistent_cache_helper.cc	Added PersistentCache abstraction	9 years ago
persistent_cache_helper.h	Added PersistentCache abstraction	9 years ago
plain_table_builder.cc	Allow plain table to store index on file with bloom filter disabled	8 years ago
plain_table_builder.h	Embed column family name in SST file	9 years ago
plain_table_factory.cc	store prefix_extractor_name in table	8 years ago
plain_table_factory.h	Only cache level 0 indexes and filter when opening table reader	8 years ago
plain_table_index.cc	Updated all copyright headers to the new format.	9 years ago
plain_table_index.h	Remove ImmutableCFOptions from public API	8 years ago
plain_table_key_coding.cc	Updated all copyright headers to the new format.	9 years ago
plain_table_key_coding.h	Updated all copyright headers to the new format.	9 years ago
plain_table_reader.cc	Allow plain table to store index on file with bloom filter disabled	8 years ago
plain_table_reader.h	Skip bottom-level filter block caching when hit-optimized	9 years ago
scoped_arena_iterator.h	Compaction Support for Range Deletion	8 years ago
sst_file_writer.cc	Allow SstFileWriter to Fadvise the file away from page cache	8 years ago
sst_file_writer_collectors.h	Support SST files with Global sequence numbers [reland]	8 years ago
table_builder.h	Add TableBuilderOptions::level and relevant changes (#1335)	8 years ago
table_properties.cc	Insert range deletion meta-block into block cache	8 years ago
table_properties_internal.h	TableBuilder / TableReader support for range deletion	8 years ago
table_reader.h	Range deletion microoptimizations	8 years ago
table_reader_bench.cc	DeleteRange Get support	8 years ago
table_test.cc	Range deletion microoptimizations	8 years ago
two_level_iterator.cc	Add SeekForPrev() to Iterator	8 years ago
two_level_iterator.h	Updated all copyright headers to the new format.	9 years ago