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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_test.cc
Cleanup auto-roll logger flush-while-rolling test
2016-07-07 11:35:40 -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
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_test.c
Shared dictionary compression using reference block
2016-04-27 17:36:03 -07:00
c.cc
c abi: allow compaction filter ignore snapshot (#1268)
2016-08-17 18:48:43 -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
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
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_iterator_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
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_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_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_picker_test.cc
Compaction picker to expand output level files for keys cross files' boundary too.
2016-07-26 17:56:36 -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.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
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_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_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_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_test.cc
Introduce FullMergeV2 (eliminate memcpy from merge operators)
2016-07-20 09:49:03 -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_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_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_test.cc
Added check_snapshot option in the DB's AddFile function (#1261)
2016-08-09 18:14:13 -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_test.cc
Improve BytewiseComparatorImpl::FindShortestSeparator
2016-04-25 23:02:14 -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
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_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
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
filename_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
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_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_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_bench.cc
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
inlineskiplist_test.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
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_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_test.cc
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.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
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_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
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_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_test.cc
ColumnFamilyOptions API [CF + RepairDB part 3/3]
2016-06-24 16:29:43 -07:00
repair.cc
Add options.write_buffer_manager: control total memtable size across DB instances
2016-07-05 18:11:25 -07:00
skiplist_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
skiplist.h
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_test.cc
New Statistics to track Compression/Decompression (#1197)
2016-07-19 09:44:03 -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
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_test.cc
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_edit_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_set_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
wal_manager_test.cc
Add options.write_buffer_manager: control total memtable size across DB instances
2016-07-05 18:11:25 -07:00
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
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_batch.cc
WriteBatch support for range deletion
2016-08-16 08:16:04 -07:00
write_callback_test.cc
write_callback_test: clean test directory before running tests
2016-04-18 10:18:41 -07:00
write_callback.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_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_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