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Islam AbdelRahman b49b92cf28 Introduce Read amplification bitmap (read amp statistics) 
Summary:
Add ReadOptions::read_amp_bytes_per_bit option which allow us to create a bitmap for every data block we read
the bitmap will contain (block_size / read_amp_bytes_per_bit) bits.

We will use this bitmap to mark which bytes have been used of the block so we can calculate the read amplification

Test Plan: added new tests

Reviewers: andrewkr, yhchiang, sdong

Reviewed By: sdong

Subscribers: yiwu, leveldb, march, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D58707
2016-08-26 18:55:58 -07:00
..
auto_roll_logger.cc Eliminate use of 'using namespace std'. Also remove a number of ADL references to std functions. 2016-05-20 07:42:18 -07:00
auto_roll_logger.h Redo SyncPoints for flush while rolling test 2016-02-22 21:32:19 -08:00
auto_roll_logger_test.cc Cleanup auto-roll logger flush-while-rolling test 2016-07-07 11:35:40 -07:00
builder.cc [rocksdb] make more options dynamic 2016-05-17 13:11:56 -07:00
builder.h [rocksdb] make more options dynamic 2016-05-17 13:11:56 -07:00
c.cc c abi: allow compaction filter ignore snapshot (#1268) 2016-08-17 18:48:43 -07:00
c_test.c Shared dictionary compression using reference block 2016-04-27 17:36:03 -07:00
column_family.cc Ignore write stall triggers when auto-compaction is disabled 2016-08-02 21:55:26 -07:00
column_family.h Add a GetComparator() function to the ColumnFamilyHandle base class so that the user's comparator can be retrieved. 2016-08-02 14:34:57 -07:00
column_family_test.cc read_options.background_purge_on_iterator_cleanup to cover forward iterator and log file closing too. 2016-08-10 13:16:41 -07:00
compact_files_test.cc Fix flaky test ObsoleteFiles 2016-08-03 15:19:35 -07:00
compacted_db_impl.cc CompactedDB should not be used if there is outstanding WAL files 2016-04-26 14:22:07 -07:00
compacted_db_impl.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
compaction.cc Update DB::AddFile() to ingest the file to the lowest possible level 2016-06-21 17:57:59 -07:00
compaction.h Update DB::AddFile() to ingest the file to the lowest possible level 2016-06-21 17:57:59 -07:00
compaction_iterator.cc Single Delete Mismatch and Fallthrough statistics 2016-08-16 08:21:43 -07:00
compaction_iterator.h Single Delete Mismatch and Fallthrough statistics 2016-08-16 08:21:43 -07:00
compaction_iterator_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
compaction_job.cc Single Delete Mismatch and Fallthrough statistics 2016-08-16 08:21:43 -07:00
compaction_job.h [rocksdb] make more options dynamic 2016-05-17 13:11:56 -07:00
compaction_job_stats_test.cc UniversalCompaction should ignore sorted runs being compacted (when compacting for file num) 2016-08-10 12:37:43 -07:00
compaction_job_test.cc Add options.write_buffer_manager: control total memtable size across DB instances 2016-07-05 18:11:25 -07:00
compaction_picker.cc UniversalCompaction should ignore sorted runs being compacted (when compacting for file num) 2016-08-10 12:37:43 -07:00
compaction_picker.h [rocksdb] make more options dynamic 2016-05-17 13:11:56 -07:00
compaction_picker_test.cc Compaction picker to expand output level files for keys cross files' boundary too. 2016-07-26 17:56:36 -07:00
comparator_db_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
convenience.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
corruption_test.cc Change several option defaults 2016-04-28 17:50:58 -07:00
cuckoo_table_db_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
db_block_cache_test.cc Not insert into block cache if cache is full and not holding handle 2016-08-23 13:53:49 -07:00
db_bloom_filter_test.cc Deprectate filter_deletes 2016-06-17 10:30:47 -07:00
db_compaction_filter_test.cc Change some RocksDB default options 2016-03-31 17:12:18 -07:00
db_compaction_test.cc Compaction picker to expand output level files for keys cross files' boundary too. 2016-07-26 17:56:36 -07:00
db_dynamic_level_test.cc Fix flaky DBTestDynamicLevel.DynamicLevelMaxBytesBase2 2016-05-26 10:13:24 -07:00
db_filesnapshot.cc Backup Options 2016-06-09 19:03:10 -07:00
db_flush_test.cc Fix unit test which breaks lite build 2016-07-21 14:32:12 -07:00
db_impl.cc Mitigate regression bug of options.max_successive_merges hit during DB Recovery 2016-08-25 17:30:34 -07:00
db_impl.h TableBuilder / TableReader support for range deletion 2016-08-19 15:10:31 -07:00
db_impl_add_file.cc Added check_snapshot option in the DB's AddFile function (#1261) 2016-08-09 18:14:13 -07:00
db_impl_debug.cc [rocksdb] make more options dynamic 2016-05-17 13:11:56 -07:00
db_impl_experimental.cc Clean up the ComputeCompactionScore() API 2016-05-23 15:55:29 -07:00
db_impl_readonly.cc Add Iterator Property rocksdb.iterator.version_number 2016-03-02 16:23:59 -08:00
db_impl_readonly.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
db_info_dumper.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
db_info_dumper.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
db_inplace_update_test.cc Change some RocksDB default options 2016-03-31 17:12:18 -07:00
db_io_failure_test.cc Move IO failure test to separate file 2016-05-18 17:09:20 -07:00
db_iter.cc Minor PinnedIteratorsManager Refactoring 2016-08-11 11:54:17 -07:00
db_iter.h Introduce PinnedIteratorsManager (Reduce PinData() overhead / Refactor PinData) 2016-04-26 12:41:07 -07:00
db_iter_test.cc Introduce FullMergeV2 (eliminate memcpy from merge operators) 2016-07-20 09:49:03 -07:00
db_iterator_test.cc Remove %z Format Specifier and Fix Windows Build of sim_cache.cc (#1224) 2016-07-20 15:28:04 -07:00
db_log_iter_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
db_options_test.cc Make DBOptionsTest::EnableAutoCompactionAndTriggerStall less falky 2016-08-05 16:45:57 -07:00
db_properties_test.cc [Flaky Test] Disable DBPropertiesTest.GetProperty 2016-08-24 15:32:01 -07:00
db_sst_test.cc Add TablePropertiesCollector support in SstFileWriter 2016-08-19 16:17:56 -07:00
db_table_properties_test.cc DBTablePropertiesTest.GetPropertiesOfTablesInRange: Fix Flaky 2016-07-19 15:46:20 -07:00
db_tailing_iter_test.cc Change Property name from "rocksdb.current_version_number" to "rocksdb.current-super-version-number" 2016-03-04 18:15:29 -08:00
db_test.cc Added check_snapshot option in the DB's AddFile function (#1261) 2016-08-09 18:14:13 -07:00
db_test2.cc Introduce Read amplification bitmap (read amp statistics) 2016-08-26 18:55:58 -07:00
db_test_util.cc Eliminate memcpy from ForwardIterator 2016-08-11 19:10:16 -07:00
db_test_util.h Eliminate memcpy from ForwardIterator 2016-08-11 19:10:16 -07:00
db_universal_compaction_test.cc UniversalCompaction should ignore sorted runs being compacted (when compacting for file num) 2016-08-10 12:37:43 -07:00
db_wal_test.cc Add options.write_buffer_manager: control total memtable size across DB instances 2016-07-05 18:11:25 -07:00
dbformat.cc WriteBatch support for range deletion 2016-08-16 08:16:04 -07:00
dbformat.h TableBuilder / TableReader support for range deletion 2016-08-19 15:10:31 -07:00
dbformat_test.cc Improve BytewiseComparatorImpl::FindShortestSeparator 2016-04-25 23:02:14 -07:00
deletefile_test.cc Fix a bug that accesses invalid address in iterator cleanup function 2016-07-05 11:57:14 -07:00
event_helpers.cc Added EventListener::OnTableFileCreationStarted() callback 2016-04-29 11:35:00 -07:00
event_helpers.h Added EventListener::OnTableFileCreationStarted() callback 2016-04-29 11:35:00 -07:00
experimental.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
fault_injection_test.cc Fix test data race in two FaultInjectionTest tests 2016-08-10 13:56:50 -07:00
file_indexer.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
file_indexer.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
file_indexer_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
filename.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
filename.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
filename_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
flush_job.cc Need to make sure log file synced before flushing memtable of one column family 2016-07-21 16:29:06 -07:00
flush_job.h read_options.background_purge_on_iterator_cleanup to cover forward iterator and log file closing too. 2016-08-10 13:16:41 -07:00
flush_job_test.cc Need to make sure log file synced before flushing memtable of one column family 2016-07-21 16:29:06 -07:00
flush_scheduler.cc Fix clang analyzer errors 2016-07-08 17:50:51 -07:00
flush_scheduler.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
forward_iterator.cc Fix valgrind memory leak 2016-08-11 23:34:19 -07:00
forward_iterator.h Eliminate memcpy from ForwardIterator 2016-08-11 19:10:16 -07:00
forward_iterator_bench.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
inlineskiplist.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
inlineskiplist_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
internal_stats.cc Compaction stats printing: "batch" => "commit group" 2016-08-15 10:47:29 -07:00
internal_stats.h Add InternalStats and logging for AddFile() 2016-06-16 16:21:41 -07:00
job_context.h read_options.background_purge_on_iterator_cleanup to cover forward iterator and log file closing too. 2016-08-10 13:16:41 -07:00
listener_test.cc Add a callback for when memtable is moved to immutable (#1137) 2016-06-02 11:57:31 -07:00
log_format.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
log_reader.cc Fix clang analyzer errors 2016-07-08 17:50:51 -07:00
log_reader.h db/log_reader: treat bad record length or checksum as EOF 2016-05-22 22:00:15 -07:00
log_test.cc db/log_reader: treat bad record length or checksum as EOF 2016-05-22 22:00:15 -07:00
log_writer.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
log_writer.h Need to make sure log file synced before flushing memtable of one column family 2016-07-21 16:29:06 -07:00
managed_iterator.cc Fixes warnings and ensure correct int behavior on 32-bit platforms. 2016-03-16 22:57:57 +01:00
managed_iterator.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
manual_compaction_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
memtable.cc Change options memtable_prefix_bloom_huge_page_tlb_size => memtable_huge_page_size and cover huge page to memtable too 2016-07-26 18:15:11 -07:00
memtable.h Change options memtable_prefix_bloom_huge_page_tlb_size => memtable_huge_page_size and cover huge page to memtable too 2016-07-26 18:15:11 -07:00
memtable_allocator.cc Avoid updating memtable allocated bytes if write_buffer_size is not set 2016-07-13 19:33:57 -07:00
memtable_allocator.h Add options.write_buffer_manager: control total memtable size across DB instances 2016-07-05 18:11:25 -07:00
memtable_list.cc Fix flush not being commit while writing manifest 2016-07-21 10:10:41 -07:00
memtable_list.h [rocksdb] Memtable Log Referencing and Prepared Batch Recovery 2016-05-10 14:06:07 -07:00
memtable_list_test.cc Add options.write_buffer_manager: control total memtable size across DB instances 2016-07-05 18:11:25 -07:00
memtablerep_bench.cc Add options.write_buffer_manager: control total memtable size across DB instances 2016-07-05 18:11:25 -07:00
merge_context.h Fix MergeContext::copied_operands_ strings moving 2016-07-25 15:31:41 -07:00
merge_helper.cc Introduce FullMergeV2 (eliminate memcpy from merge operators) 2016-07-20 09:49:03 -07:00
merge_helper.h Introduce FullMergeV2 (eliminate memcpy from merge operators) 2016-07-20 09:49:03 -07:00
merge_helper_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
merge_operator.cc Introduce FullMergeV2 (eliminate memcpy from merge operators) 2016-07-20 09:49:03 -07:00
merge_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
options_file_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
perf_context_test.cc CompactedDB should not be used if there is outstanding WAL files 2016-04-26 14:22:07 -07:00
pinned_iterators_manager.h Minor PinnedIteratorsManager Refactoring 2016-08-11 11:54:17 -07:00
plain_table_db_test.cc Only cache level 0 indexes and filter when opening table reader 2016-07-20 11:23:31 -07:00
prefix_test.cc add InDomain regression test 2016-07-27 18:45:53 -07:00
repair.cc Add options.write_buffer_manager: control total memtable size across DB instances 2016-07-05 18:11:25 -07:00
repair_test.cc ColumnFamilyOptions API [CF + RepairDB part 3/3] 2016-06-24 16:29:43 -07:00
skiplist.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
skiplist_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
snapshot_impl.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
snapshot_impl.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
table_cache.cc Fix a crash when compaction fails to open a file 2016-08-25 04:39:26 -07:00
table_cache.h Only cache level 0 indexes and filter when opening table reader 2016-07-20 11:23:31 -07:00
table_properties_collector.cc Added "number of merge operands" to statistics in ssts. 2016-05-19 14:24:48 -07:00
table_properties_collector.h Added "number of merge operands" to statistics in ssts. 2016-05-19 14:24:48 -07:00
table_properties_collector_test.cc New Statistics to track Compression/Decompression (#1197) 2016-07-19 09:44:03 -07:00
transaction_log_impl.cc Eliminate use of 'using namespace std'. Also remove a number of ADL references to std functions. 2016-05-20 07:42:18 -07:00
transaction_log_impl.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
version_builder.cc Only cache level 0 indexes and filter when opening table reader 2016-07-20 11:23:31 -07:00
version_builder.h Only cache level 0 indexes and filter when opening table reader 2016-07-20 11:23:31 -07:00
version_builder_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
version_edit.cc Miscellaneous performance improvements 2016-07-12 14:15:32 -07:00
version_edit.h Avoid FileMetaData copy 2016-07-13 15:36:22 -07:00
version_edit_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
version_set.cc Only cache level 0 indexes and filter when opening table reader 2016-07-20 11:23:31 -07:00
version_set.h Add options.write_buffer_manager: control total memtable size across DB instances 2016-07-05 18:11:25 -07:00
version_set_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
wal_manager.cc In all the places where log records are read, there was a check that 2016-03-30 23:05:22 +05:30
wal_manager.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
wal_manager_test.cc Add options.write_buffer_manager: control total memtable size across DB instances 2016-07-05 18:11:25 -07:00
write_batch.cc WriteBatch support for range deletion 2016-08-16 08:16:04 -07:00
write_batch_base.cc WriteBatch support for range deletion 2016-08-16 08:16:04 -07:00
write_batch_internal.h WriteBatch support for range deletion 2016-08-16 08:16:04 -07:00
write_batch_test.cc WriteBatch support for range deletion 2016-08-16 08:16:04 -07:00
write_callback.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
write_callback_test.cc write_callback_test: clean test directory before running tests 2016-04-18 10:18:41 -07:00
write_controller.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
write_controller.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
write_controller_test.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
write_thread.cc WriteBatch support for range deletion 2016-08-16 08:16:04 -07:00
write_thread.h fix simple typos (#1183) 2016-06-25 08:29:40 +01:00
xfunc_test_points.cc Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
xfunc_test_points.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00