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rocksdb/db
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Manuel Ung aeb4612685 Add counters for seek/next/prev 
Summary:
There are currently no statistics on seeks, only on gets. This adds the following counters:

rocksdb.number.db.seek
rocksdb.number.db.next
rocksdb.number.db.prev
(number of calls)

rocksdb.db.iterate.bytes.read
(number of bytes read from key + value using seek/next/prev)

rocksdb.number.keys.seek.found
rocksdb.number.keys.next.found
rocksdb.number.keys.prev.found
(number of calls where seek/next/prev found a value)

Test Plan:
./db_bench -statistics -benchmarks fillrandom,seekrandom -seek_nexts 5
./db_bench -statistics -benchmarks fillrandom,seekrandom -seek_nexts 5 -reverse_iterator

Reviewers: yhchiang, rven, kradhakrishnan, IslamAbdelRahman, MarkCallaghan, sdong, igor

Reviewed By: sdong

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D46605
2015-09-11 11:37:44 -07:00
..
builder.cc
Refactored common code of Builder/CompactionJob out into a CompactionIterator
2015-09-10 14:35:25 -07:00
builder.h
Smarter purging during flush
2015-08-24 11:11:12 -07:00
c_test.c
Deprecate CompactionFilterV2
2015-07-17 18:59:11 +02:00
c.cc
Don't let flushes preempt compactions
2015-07-17 12:02:52 -07:00
column_family_test.cc
Correct ASSERT_OK() in ReadDroppedColumnFamily
2015-09-10 14:17:12 -07:00
column_family.cc
better tuning of arena block size
2015-09-08 20:53:32 -07:00
column_family.h
Total SST files size DB Property
2015-08-20 11:47:19 -07:00
compact_files_test.cc
Improved FileExists API
2015-07-20 17:20:40 -07:00
compacted_db_impl.cc
Remove db_impl_readonly dependency on utilities
2015-07-14 11:32:54 -07:00
compacted_db_impl.h
Remove db_impl_readonly dependency on utilities
2015-07-14 11:32:54 -07:00
compaction_iterator.cc
Fixed bug in compaction iterator
2015-09-11 10:13:49 -07:00
compaction_iterator.h
Removed __unused__ attribute
2015-09-10 15:16:32 -07:00
compaction_job_stats_test.cc
Determine boundaries of subcompactions
2015-09-10 13:50:00 -07:00
compaction_job_test.cc
Unified maps with Comparator for sorting, other cleanup
2015-09-02 13:58:22 -07:00
compaction_job.cc
Refactored common code of Builder/CompactionJob out into a CompactionIterator
2015-09-10 14:35:25 -07:00
compaction_job.h
Refactored common code of Builder/CompactionJob out into a CompactionIterator
2015-09-10 14:35:25 -07:00
compaction_picker_test.cc
Add a counter about estimated pending compaction bytes
2015-08-20 22:17:10 -07:00
compaction_picker.cc
Fix compact_files_example
2015-08-25 12:29:44 -07:00
compaction_picker.h
Fix compact_files_example
2015-08-25 12:29:44 -07:00
compaction.cc
Determine boundaries of subcompactions
2015-09-10 13:50:00 -07:00
compaction.h
Determine boundaries of subcompactions
2015-09-10 13:50:00 -07:00
comparator_db_test.cc
Unified maps with Comparator for sorting, other cleanup
2015-09-02 13:58:22 -07:00
convenience.cc
move convenience.h out of utilities
2015-07-15 14:51:51 -07:00
corruption_test.cc
Don't let flushes preempt compactions
2015-07-17 12:02:52 -07:00
cuckoo_table_db_test.cc
Block cuckoo table tests in ROCKSDB_LITE
2015-07-20 10:50:46 -07:00
db_bench.cc
better db_bench options for transactions
2015-08-31 15:56:07 -07:00
db_compaction_filter_test.cc
Fixed bug in compaction iterator
2015-09-11 10:13:49 -07:00
db_compaction_test.cc
Fix DBCompactionTest failure with parallel L0-L1 compactions
2015-09-10 14:37:00 -07:00
db_dynamic_level_test.cc
Move DynamicLevel related db-tests to db_dynamic_level_test.cc
2015-07-13 19:00:30 -07:00
db_filesnapshot.cc
Add wal files to Checkpoint for multiple column families.
2015-06-19 16:08:31 -07:00
db_impl_debug.cc
reduce db mutex contention for write batch groups
2015-08-14 10:55:43 -07:00
db_impl_experimental.cc
Clean up InstallSuperVersion
2015-06-17 12:37:59 -07:00
db_impl_readonly.cc
Remove db_impl_readonly dependency on utilities
2015-07-14 11:32:54 -07:00
db_impl_readonly.h
Use CompactRangeOptions for CompactRange
2015-06-17 14:36:14 -07:00
db_impl.cc
Relaxing consistency detection to include errors while inserting to memtable as WAL recovery error.
2015-09-10 12:56:17 -07:00
db_impl.h
Unified maps with Comparator for sorting, other cleanup
2015-09-02 13:58:22 -07:00
db_inplace_update_test.cc
Move in-place-update related tests from db_test.cc to db_inplace_update_test.cc
2015-07-20 16:05:28 -07:00
db_iter_test.cc
DBIter to out extra keys with higher sequence numbers when changing direction from forward to backward
2015-08-26 13:01:39 -07:00
db_iter.cc
Add counters for seek/next/prev
2015-09-11 11:37:44 -07:00
db_iter.h
reduce references to cfd->options() in DBImpl
2014-09-08 15:04:34 -07:00
db_log_iter_test.cc
Make TransactionLogIterator related tests from db_test.cc to db_log_iter_test.cc
2015-07-14 16:08:21 -07:00
db_tailing_iter_test.cc
Fix case when forward iterator misses a new update
2015-09-04 14:28:45 -07:00
db_test.cc
Determine boundaries of subcompactions
2015-09-10 13:50:00 -07:00
db_universal_compaction_test.cc
Arena usage to be calculated using malloc_usable_size()
2015-08-31 09:39:27 -07:00
db_wal_test.cc
Add two unit tests for SyncWAL()
2015-08-05 14:27:02 -07:00
dbformat_test.cc
Avoid manipulating const char* arrays
2015-07-14 00:21:41 -07:00
dbformat.cc
Replace %llu with format macros in ParsedInternalKey::DebugString())
2015-06-17 20:44:26 -07:00
dbformat.h
Refactored common code of Builder/CompactionJob out into a CompactionIterator
2015-09-10 14:35:25 -07:00
deletefile_test.cc
Improved FileExists API
2015-07-20 17:20:40 -07:00
event_helpers.cc
Add EventListener::OnTableFileDeletion()
2015-06-03 19:57:01 -07:00
event_helpers.h
Add EventListener::OnTableFileDeletion()
2015-06-03 19:57:01 -07:00
experimental.cc
Implement DB::PromoteL0 method
2015-04-23 12:10:36 -07:00
fault_injection_test.cc
Address windows build issues
2015-08-20 14:08:24 -07:00
file_indexer_test.cc
Fix possible SIGSEGV in CompactRange (github issue #596)
2015-04-29 10:52:31 -07:00
file_indexer.cc
Fix possible SIGSEGV in CompactRange (github issue #596)
2015-04-29 10:52:31 -07:00
file_indexer.h
Fix public API dependency on internal codes and dependency on MAX_INT32
2015-07-11 10:32:11 -07:00
filename_test.cc
rocksdb: switch to gtest
2015-03-17 14:08:00 -07:00
filename.cc
Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env
2015-07-17 16:58:18 -07:00
filename.h
Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env
2015-07-17 16:58:18 -07:00
flush_job_test.cc
Unified maps with Comparator for sorting, other cleanup
2015-09-02 13:58:22 -07:00
flush_job.cc
Unified maps with Comparator for sorting, other cleanup
2015-09-02 13:58:22 -07:00
flush_job.h
Smarter purging during flush
2015-08-24 11:11:12 -07:00
flush_scheduler.cc
Don't return (or dereference) dangling pointer
2014-10-02 14:33:16 -07:00
flush_scheduler.h
Fix data race #1
2015-01-26 11:48:07 -08:00
forward_iterator.cc
Relaxed assert in forward iterator
2015-09-08 17:15:11 -07:00
forward_iterator.h
Fix case when forward iterator misses a new update
2015-09-04 14:28:45 -07:00
internal_stats.cc
Unified maps with Comparator for sorting, other cleanup
2015-09-02 13:58:22 -07:00
internal_stats.h
Expose per-level aggregated table properties via GetProperty()
2015-08-25 12:03:54 -07:00
job_context.h
fixed leaking log::Writers
2015-07-07 12:10:10 -07:00
listener_test.cc
Fix listener_test when using ROCKSDB_MALLOC_USABLE_SIZE
2015-08-31 23:11:12 -07:00
log_format.h
Some minor refactoring on the code
2014-01-02 16:32:31 -08:00
log_reader.cc
Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env
2015-07-17 16:58:18 -07:00
log_reader.h
Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env
2015-07-17 16:58:18 -07:00
log_test.cc
Removing duplicate code
2015-08-05 07:33:27 -07:00
log_writer.cc
Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env
2015-07-17 16:58:18 -07:00
log_writer.h
Unified maps with Comparator for sorting, other cleanup
2015-09-02 13:58:22 -07:00
managed_iterator.cc
Windows Port from Microsoft
2015-07-01 16:13:56 -07:00
managed_iterator.h
Fixed xfunc related compile errors in ROCKSDB_LITE
2015-04-09 21:05:18 -07:00
memtable_allocator.cc
Enforce write buffer memory limit across column families
2014-12-02 12:09:20 -08:00
memtable_allocator.h
Enforce write buffer memory limit across column families
2014-12-02 12:09:20 -08:00
memtable_list_test.cc
Removing duplicate code
2015-08-05 07:33:27 -07:00
memtable_list.cc
Fixing race condition in DBTest.DynamicMemtableOptions
2015-08-24 17:04:18 -07:00
memtable_list.h
Introduce GetIntProperty("rocksdb.size-all-mem-tables")
2015-08-19 13:32:09 -07:00
memtable.cc
Added Equal method to Comparator interface
2015-09-08 15:30:49 -07:00
memtable.h
Allow GetApproximateSize() to include mem table size if it is skip list memtable
2015-06-16 18:13:23 -07:00
memtablerep_bench.cc
Added Equal method to Comparator interface
2015-09-08 15:30:49 -07:00
merge_context.h
API to fetch from both a WriteBatchWithIndex and the db
2015-05-11 14:51:51 -07:00
merge_helper_test.cc
Simplify querying of merge results
2015-08-17 17:34:38 -07:00
merge_helper.cc
Refactored common code of Builder/CompactionJob out into a CompactionIterator
2015-09-10 14:35:25 -07:00
merge_helper.h
Refactored common code of Builder/CompactionJob out into a CompactionIterator
2015-09-10 14:35:25 -07:00
merge_operator.cc
Call merge operators with empty values
2015-06-26 11:35:46 -07:00
merge_test.cc
Make merge_test runnable in ROCKSDB_LITE
2015-07-20 11:17:52 -07:00
perf_context_test.cc
Makefile minor cleanup
2015-03-30 16:05:35 -04:00
plain_table_db_test.cc
Refactor NewTableReader to accept TableReaderOptions
2015-09-11 11:36:33 -07:00
prefix_test.cc
Skip unsupported tests in ROCKSDB_LITE
2015-07-20 11:24:54 -07:00
repair.cc
Smarter purging during flush
2015-08-24 11:11:12 -07:00
skiplist_test.cc
rocksdb: switch to gtest
2015-03-17 14:08:00 -07:00
skiplist.h
reduce comparisons by skiplist
2015-08-11 11:25:22 -07:00
slice.cc
Create an abstract interface for write batches
2015-03-17 19:23:08 -07:00
snapshot_impl.cc
simple ManagedSnapshot wrapper
2015-08-06 17:59:05 -07:00
snapshot_impl.h
simple ManagedSnapshot wrapper
2015-08-06 17:59:05 -07:00
table_cache.cc
Refactor NewTableReader to accept TableReaderOptions
2015-09-11 11:36:33 -07:00
table_cache.h
ReadaheadRandomAccessFile -- userspace readahead
2015-08-26 15:25:59 -07:00
table_properties_collector_test.cc
Unified maps with Comparator for sorting, other cleanup
2015-09-02 13:58:22 -07:00
table_properties_collector.cc
A new call back to TablePropertiesCollector to allow users know the entry is add, delete or merge
2015-04-06 10:27:21 -07:00
table_properties_collector.h
Add TablePropertiesCollector::NeedCompact() to suggest DB to further compact output files
2015-06-05 20:18:21 -07:00
transaction_log_impl.cc
Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env
2015-07-17 16:58:18 -07:00
transaction_log_impl.h
Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env
2015-07-17 16:58:18 -07:00
version_builder_test.cc
Add TablePropertiesCollector::NeedCompact() to suggest DB to further compact output files
2015-06-05 20:18:21 -07:00
version_builder.cc
Bug fix: table readers created by TableCache::Get() doesn't have latency histogram reported
2015-09-02 12:57:07 -07:00
version_builder.h
Bug fix: table readers created by TableCache::Get() doesn't have latency histogram reported
2015-09-02 12:57:07 -07:00
version_edit_test.cc
Add TablePropertiesCollector::NeedCompact() to suggest DB to further compact output files
2015-06-05 20:18:21 -07:00
version_edit.cc
Added JSON manifest dump option to ldb command
2015-07-17 10:07:40 -07:00
version_edit.h
Refactored common code of Builder/CompactionJob out into a CompactionIterator
2015-09-10 14:35:25 -07:00
version_set_test.cc
Report live data size estimate
2015-07-21 21:33:20 -07:00
version_set.cc
Determine boundaries of subcompactions
2015-09-10 13:50:00 -07:00
version_set.h
Determine boundaries of subcompactions
2015-09-10 13:50:00 -07:00
wal_manager_test.cc
Skip unsupported tests in ROCKSDB_LITE
2015-07-20 11:24:54 -07:00
wal_manager.cc
Improved FileExists API
2015-07-20 17:20:40 -07:00
wal_manager.h
Fix -Wnon-virtual-dtor errors
2014-11-10 17:39:38 -05:00
write_batch_base.cc
WriteBatch.Merge w/ SliceParts support
2015-05-29 04:30:03 -07:00
write_batch_internal.h
WriteBatch Save Points
2015-07-29 16:54:23 -07:00
write_batch_test.cc
WriteBatch Save Points
2015-07-29 16:54:23 -07:00
write_batch.cc
Unified maps with Comparator for sorting, other cleanup
2015-09-02 13:58:22 -07:00
write_callback_test.cc
Fix compile for write_callback_test in ROCKSDB_LITE
2015-07-20 10:54:15 -07:00
write_callback.h
Optimistic Transactions
2015-05-29 14:36:35 -07:00
write_controller_test.cc
Slow down writes by bytes written
2015-06-11 20:42:18 -07:00
write_controller.cc
Slow down writes by bytes written
2015-06-11 20:42:18 -07:00
write_controller.h
Slow down writes by bytes written
2015-06-11 20:42:18 -07:00
write_thread.cc
reduce db mutex contention for write batch groups
2015-08-14 10:55:43 -07:00
write_thread.h
reduce db mutex contention for write batch groups
2015-08-14 10:55:43 -07:00
writebuffer.h
Enforce write buffer memory limit across column families
2014-12-02 12:09:20 -08:00