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Aaron Gao 21e8daced5 fix assertion failure in Prev() 
Summary:
fix assertion failure in db_stress.
It happens because of prefix seek key is larger than merge iterator key when they have the same user key

Test Plan: ./db_stress --max_background_compactions=1 --max_write_buffer_number=3 --sync=0 --reopen=20 --write_buffer_size=33554432 --delpercent=5 --log2_keys_per_lock=10 --block_size=16384 --allow_concurrent_memtable_write=0 --test_batches_snapshots=0 --max_bytes_for_level_base=67108864 --progress_reports=0 --mmap_read=0 --writepercent=35 --disable_data_sync=0 --readpercent=50 --subcompactions=4 --ops_per_thread=20000000 --memtablerep=skip_list --prefix_size=0 --target_file_size_multiplier=1 --column_families=1 --threads=32 --disable_wal=0 --open_files=500000 --destroy_db_initially=0 --target_file_size_base=16777216 --nooverwritepercent=1 --iterpercent=10 --max_key=100000000 --prefixpercent=0 --use_clock_cache=false --kill_random_test=888887 --cache_size=1048576 --verify_checksum=1

Reviewers: sdong, andrewkr, yiwu, yhchiang

Reviewed By: yhchiang

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D65025
2016-10-13 17:36:48 -07:00
..
adaptive_table_factory.cc
solve the problem of table_factory_to_write_=nullptr (#1342)
2016-09-20 10:11:51 -07:00
adaptive_table_factory.h
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
block_based_filter_block_test.cc
Add statistics field to show total size of index and filter blocks in block cache
2016-06-03 10:47:47 -07:00
block_based_filter_block.cc
BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists
2016-06-10 16:27:56 -07:00
block_based_filter_block.h
BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists
2016-06-10 16:27:56 -07:00
block_based_table_builder.cc
Revert "Support SST files with Global sequence numbers"
2016-10-07 14:05:12 -07:00
block_based_table_builder.h
Experiments on column-aware encodings
2016-08-01 14:50:19 -07:00
block_based_table_factory.cc
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
block_based_table_factory.h
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
block_based_table_reader.cc
More block cache tickers
2016-10-11 11:59:05 -07:00
block_based_table_reader.h
Remove ImmutableCFOptions from public API
2016-09-02 14:16:31 -07:00
block_builder.cc
Miscellaneous performance improvements
2016-07-12 14:15:32 -07:00
block_builder.h
TableBuilder / TableReader support for range deletion
2016-08-19 15:10:31 -07:00
block_prefix_index.cc
Fix clang analyzer errors
2016-07-08 17:50:51 -07:00
block_prefix_index.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
block_test.cc
Revert "Support SST files with Global sequence numbers"
2016-10-07 14:05:12 -07:00
block.cc
Revert "Support SST files with Global sequence numbers"
2016-10-07 14:05:12 -07:00
block.h
Revert "Support SST files with Global sequence numbers"
2016-10-07 14:05:12 -07:00
bloom_block.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
bloom_block.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
cuckoo_table_builder_test.cc
New Statistics to track Compression/Decompression (#1197)
2016-07-19 09:44:03 -07:00
cuckoo_table_builder.cc
Embed column family name in SST file
2016-04-06 23:10:32 -07:00
cuckoo_table_builder.h
Embed column family name in SST file
2016-04-06 23:10:32 -07:00
cuckoo_table_factory.cc
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
cuckoo_table_factory.h
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
cuckoo_table_reader_test.cc
Embed column family name in SST file
2016-04-06 23:10:32 -07:00
cuckoo_table_reader.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
cuckoo_table_reader.h
Remove ImmutableCFOptions from public API
2016-09-02 14:16:31 -07:00
filter_block.h
BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists
2016-06-10 16:27:56 -07:00
flush_block_policy.cc
Miscellaneous performance improvements
2016-07-12 14:15:32 -07:00
format.cc
Support ZSTD with finalized format
2016-09-06 12:22:16 -07:00
format.h
Remove ImmutableCFOptions from public API
2016-09-02 14:16:31 -07:00
full_filter_block_test.cc
Add statistics field to show total size of index and filter blocks in block cache
2016-06-03 10:47:47 -07:00
full_filter_block.cc
BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists
2016-06-10 16:27:56 -07:00
full_filter_block.h
BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists
2016-06-10 16:27:56 -07:00
get_context.cc
Introduce FullMergeV2 (eliminate memcpy from merge operators)
2016-07-20 09:49:03 -07:00
get_context.h
Introduce FullMergeV2 (eliminate memcpy from merge operators)
2016-07-20 09:49:03 -07:00
internal_iterator.h
fix assertion failure in Prev()
2016-10-13 17:36:48 -07:00
iter_heap.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
iterator_wrapper.h
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
iterator.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
merger_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
merger.cc
fix assertion failure in Prev()
2016-10-13 17:36:48 -07:00
merger.h
Temporarily revert Prev() prefix support
2016-09-08 14:45:32 -07:00
meta_blocks.cc
Revert "Support SST files with Global sequence numbers"
2016-10-07 14:05:12 -07:00
meta_blocks.h
New Statistics to track Compression/Decompression (#1197)
2016-07-19 09:44:03 -07:00
mock_table.cc
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
mock_table.h
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
persistent_cache_helper.cc
Added PersistentCache abstraction
2016-05-15 22:17:18 -07:00
persistent_cache_helper.h
Added PersistentCache abstraction
2016-05-15 22:17:18 -07:00
plain_table_builder.cc
store prefix_extractor_name in table
2016-08-26 11:46:32 -07:00
plain_table_builder.h
Embed column family name in SST file
2016-04-06 23:10:32 -07:00
plain_table_factory.cc
store prefix_extractor_name in table
2016-08-26 11:46:32 -07:00
plain_table_factory.h
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
plain_table_index.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
plain_table_index.h
Remove ImmutableCFOptions from public API
2016-09-02 14:16:31 -07:00
plain_table_key_coding.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
plain_table_key_coding.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
plain_table_reader.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
plain_table_reader.h
Skip bottom-level filter block caching when hit-optimized
2015-12-23 10:15:07 -08:00
scoped_arena_iterator.h
Fix scoped arena iterator (#1387)
2016-10-12 11:16:16 -07:00
sst_file_writer.cc
Revert "Support SST files with Global sequence numbers"
2016-10-07 14:05:12 -07:00
table_builder.h
Add TableBuilderOptions::level and relevant changes (#1335)
2016-09-17 22:30:43 -07:00
table_properties_internal.h
TableBuilder / TableReader support for range deletion
2016-08-19 15:10:31 -07:00
table_properties.cc
store prefix_extractor_name in table
2016-08-26 11:46:32 -07:00
table_reader_bench.cc
Add TableBuilderOptions::level and relevant changes (#1335)
2016-09-17 22:30:43 -07:00
table_reader.h
TableBuilder / TableReader support for range deletion
2016-08-19 15:10:31 -07:00
table_test.cc
Revert "Support SST files with Global sequence numbers"
2016-10-07 14:05:12 -07:00
two_level_iterator.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
two_level_iterator.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00