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rocksdb/util
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Sagar Vemuri c6d04f2ecf Option to fail a request as incomplete when skipping too many internal keys 
Summary:
Operations like Seek/Next/Prev sometimes take too long to complete when there are many internal keys to be skipped. Adding an option, max_skippable_internal_keys -- which could be used to set a threshold for the maximum number of keys that can be skipped, will help to address these cases where it is much better to fail a request (as incomplete) than to wait for a considerable time for the request to complete.

This feature -- to fail an iterator seek request as incomplete, is disabled by default when max_skippable_internal_keys = 0. It is enabled only when max_skippable_internal_keys > 0.

This feature is based on the discussion mentioned in the PR https://github.com/facebook/rocksdb/pull/1084.
Closes https://github.com/facebook/rocksdb/pull/2000

Differential Revision: D4753223

Pulled By: sagar0

fbshipit-source-id: 1c973f7
2017-03-30 12:09:21 -07:00
..
aligned_buffer.h
direct reads refactor
2017-01-11 16:54:12 -08:00
allocator.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
arena_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
arena.cc
Add macros to include file name and line number during Logging
2017-03-15 19:39:12 -07:00
arena.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
autovector_test.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
autovector.h
Implement non-exclusive locks
2016-12-05 17:39:17 -08:00
bloom_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
bloom.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
build_version.cc.in
Makefile: generate util/build_version.cc from .in file (#1384)
2016-10-25 11:31:39 -07:00
build_version.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
cache_bench.cc
Introduce ClockCache
2016-08-19 12:28:19 -07:00
cache_test.cc
NewLRUCache() to pick number of shard bits based on capacity if not given
2017-01-27 06:39:12 -08:00
cf_options.cc
Add macros to include file name and line number during Logging
2017-03-15 19:39:12 -07:00
cf_options.h
[rocksdb][PR] Remove option min_partial_merge_operands and verify_checksums_in_comp…
2017-02-23 15:09:12 -08:00
channel.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
clock_cache.cc
NewLRUCache() to pick number of shard bits based on capacity if not given
2017-01-27 06:39:12 -08:00
clock_cache.h
Introduce ClockCache
2016-08-19 12:28:19 -07:00
coding_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
coding.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
coding.h
TableBuilder / TableReader support for range deletion
2016-08-19 15:10:31 -07:00
compaction_job_stats_impl.cc
Single Delete Mismatch and Fallthrough statistics
2016-08-16 08:21:43 -07:00
comparator.cc
Improve BytewiseComparatorImpl::FindShortestSeparator
2016-04-25 23:02:14 -07:00
compression.h
Remove use of deprecated LZ4 function
2016-11-21 12:24:14 -08:00
concurrent_arena.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
concurrent_arena.h
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
crc32c_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
crc32c.cc
Enable Fast CRC32 for Win64
2017-03-29 17:39:19 -07:00
crc32c.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
db_options.cc
dynamic setting of stats_dump_period_sec through SetDBOption()
2017-03-20 22:54:13 -07:00
db_options.h
dynamic setting of stats_dump_period_sec through SetDBOption()
2017-03-20 22:54:13 -07:00
delete_scheduler_test.cc
Support SstFileManager::SetDeleteRateBytesPerSecond()
2017-03-16 12:09:15 -07:00
delete_scheduler.cc
Support SstFileManager::SetDeleteRateBytesPerSecond()
2017-03-16 12:09:15 -07:00
delete_scheduler.h
Support SstFileManager::SetDeleteRateBytesPerSecond()
2017-03-16 12:09:15 -07:00
dynamic_bloom_test.cc
Windows thread
2017-02-06 14:54:18 -08:00
dynamic_bloom.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
dynamic_bloom.h
Fix the wrong address for PREFETCH in DynamicBloom::Prefetch
2017-02-28 10:39:11 -08:00
env_basic_test.cc
Generalize Env registration framework
2017-01-25 16:09:14 -08:00
env_chroot.cc
Support POSIX RandomRWFile
2016-09-13 12:08:22 -07:00
env_chroot.h
Introduce chroot Env
2016-05-06 17:42:50 -07:00
env_hdfs.cc
Add macros to include file name and line number during Logging
2017-03-15 19:39:12 -07:00
env_posix.cc
Remove bulk loading and auto_roll_logger in rocksdb_lite
2017-02-28 11:09:11 -08:00
env_test.cc
Add macros to include file name and line number during Logging
2017-03-15 19:39:12 -07:00
env.cc
direct io write support
2016-12-22 13:09:19 -08:00
event_logger_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
event_logger.cc
Add macros to include file name and line number during Logging
2017-03-15 19:39:12 -07:00
event_logger.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
fault_injection_test_env.cc
Flush job should release reference current version if sync log failed
2017-01-19 23:09:15 -08:00
fault_injection_test_env.h
[rocksdb] Recovery path sequence miscount fix
2016-05-10 14:06:07 -07:00
file_reader_writer_test.cc
alignment is on in ReadaheadRandomAccessFile::Read()
2017-02-18 12:09:12 -08:00
file_reader_writer.cc
avoid ftruncate twice in buffered io
2017-03-17 11:39:13 -07:00
file_reader_writer.h
cleanup direct io flag in WritableFileWriter
2017-03-14 22:39:09 -07:00
file_util.cc
Always fsync the file after file copying
2016-12-28 19:09:16 -08:00
file_util.h
Always fsync the file after file copying
2016-12-28 19:09:16 -08:00
filelock_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
filter_policy.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
hash_map.h
Use more efficient hash map for deadlock detection
2016-11-19 11:39:15 -08:00
hash.cc
Fix travis (compile for clang < 3.9)
2016-12-01 10:09:22 -08:00
hash.h
Optimize sequential insert into memtable - Part 1: Interface
2016-11-13 19:09:18 -08:00
heap_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
heap.h
Cache heap::downheap() root comparison (optimize heap cmp call)
2016-12-01 13:39:14 -08:00
histogram_test.cc
Fix Build Error
2016-03-11 22:56:25 -08:00
histogram_windowing.cc
Fix in HistogramWindowingImpl
2016-03-17 14:28:41 -07:00
histogram_windowing.h
Histogram Concurrency Improvement and Time-Windowing Support
2016-03-11 16:54:25 -08:00
histogram.cc
fix compile for VS2015
2017-03-10 11:24:09 -08:00
histogram.h
Histogram Concurrency Improvement and Time-Windowing Support
2016-03-11 16:54:25 -08:00
instrumented_mutex.cc
DBSSTTest.RateLimitedDelete: not to use real clock
2016-10-24 10:35:00 -07:00
instrumented_mutex.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
io_posix.cc
delete fallocate with punch_hole
2017-03-28 15:54:12 -07:00
io_posix.h
detect logical sector size
2017-02-23 11:25:36 -08:00
iostats_context_imp.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
iostats_context_test.cc
IOStatsContext::ToString() add option to exclude zero counters
2016-02-23 10:26:24 -08:00
iostats_context.cc
IOStatsContext::ToString() add option to exclude zero counters
2016-02-23 10:26:24 -08:00
kv_map.h
Store internal keys in TombstoneMap
2016-11-09 15:09:18 -08:00
log_buffer.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
log_buffer.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
log_write_bench.cc
direct io write support
2016-12-22 13:09:19 -08:00
logging.cc
util/logging.cc: buffer of insufficient size (gcc-7 -Werror=format-length)
2016-12-13 18:39:14 -08:00
logging.h
Add macros to include file name and line number during Logging
2017-03-15 19:39:12 -07:00
lru_cache_test.cc
LRU cache mid-point insertion
2016-08-19 16:43:31 -07:00
lru_cache.cc
NewLRUCache() to pick number of shard bits based on capacity if not given
2017-01-27 06:39:12 -08:00
lru_cache.h
Allow incrementing refcount on cache handles
2017-01-10 16:54:20 -08:00
memenv.cc
direct io write support
2016-12-22 13:09:19 -08:00
memory_usage.h
Report memory usage by memtable insert hints map.
2016-11-15 20:24:13 -08:00
mock_env_test.cc
Create env_basic_test [pluggable Env part 2]
2016-06-03 15:13:03 -07:00
mock_env.cc
Fix some bugs in MockEnv
2017-03-13 09:54:11 -07:00
mock_env.h
Fix some bugs in MockEnv
2017-03-13 09:54:11 -07:00
murmurhash.cc
Gcc 7 fallthrough
2016-12-14 19:24:25 -08:00
murmurhash.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
mutexlock.h
Persistent Read Cache (6) Persistent cache tier implentation - File layout
2016-07-19 12:01:46 -07:00
options_helper.cc
dynamic setting of stats_dump_period_sec through SetDBOption()
2017-03-20 22:54:13 -07:00
options_helper.h
Configure index partition size
2017-03-28 12:09:12 -07:00
options_parser.cc
Make compaction_pri settable through option string
2017-03-02 10:24:12 -08:00
options_parser.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
options_sanity_check.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
options_sanity_check.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
options_settable_test.cc
Configure index partition size
2017-03-28 12:09:12 -07:00
options_test.cc
Remove skip_table_builder_flush and default it to true
2017-03-02 16:54:10 -08:00
options.cc
Option to fail a request as incomplete when skipping too many internal keys
2017-03-30 12:09:21 -07:00
perf_context_imp.h
fix ios build error
2016-02-17 20:22:40 +08:00
perf_context.cc
Less linear search in DBIter::Seek() when keys are overwritten a lot
2016-11-28 10:24:11 -08:00
perf_level_imp.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
perf_level.cc
Assert boundary checks for SetPerfLevel()
2016-06-01 09:07:09 -07:00
perf_step_timer.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
posix_logger.h
Show More DB Stats in info logs
2016-10-29 16:09:18 -07:00
random.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
random.h
Fixes warnings and ensure correct int behavior on 32-bit platforms.
2016-03-16 22:57:57 +01:00
rate_limiter_test.cc
Statistic for how often rate limiter is drained
2017-03-02 17:54:15 -08:00
rate_limiter.cc
Statistic for how often rate limiter is drained
2017-03-02 17:54:15 -08:00
rate_limiter.h
Statistic for how often rate limiter is drained
2017-03-02 17:54:15 -08:00
sharded_cache.cc
NewLRUCache() to pick number of shard bits based on capacity if not given
2017-01-27 06:39:12 -08:00
sharded_cache.h
NewLRUCache() to pick number of shard bits based on capacity if not given
2017-01-27 06:39:12 -08:00
slice_transform_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
slice.cc
Merge db/slice.cc into util/slice.cc
2016-06-10 16:37:36 -07:00
sst_file_manager_impl.cc
Support SstFileManager::SetDeleteRateBytesPerSecond()
2017-03-16 12:09:15 -07:00
sst_file_manager_impl.h
Support SstFileManager::SetDeleteRateBytesPerSecond()
2017-03-16 12:09:15 -07:00
statistics_test.cc
Fix Statistics TickersNameMap miss match with Tickers enum
2016-07-25 16:05:50 -07:00
statistics.cc
add max to histogram stats
2017-03-08 22:24:15 -08:00
statistics.h
Add Statistics::getAndResetTickerCount().
2016-10-11 10:54:11 -07:00
status_message.cc
New subcode for IOError to detect the ESTALE errno
2017-02-17 10:54:13 -08:00
status.cc
Fix rocksdb::Status::getState
2017-01-03 18:39:14 -08:00
stderr_logger.h
Stderr info logger
2016-04-01 11:06:06 -07:00
stop_watch.h
Break stalls when no bg work is happening
2017-03-16 18:24:17 -07:00
string_util.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
string_util.h
FreeBSD does not have std::to_string (#1190)
2016-06-29 07:35:17 -07:00
sync_point.cc
gcc-7 requires include <functional> for std::function
2016-12-16 11:24:18 -08:00
sync_point.h
gcc-7 requires include <functional> for std::function
2016-12-16 11:24:18 -08:00
testharness.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
testharness.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
testutil.cc
Pinnableslice (2nd attempt)
2017-03-13 11:54:10 -07:00
testutil.h
Support SST files with Global sequence numbers [reland]
2016-10-18 16:59:37 -07:00
thread_list_test.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_local_test.cc
Windows thread
2017-02-06 14:54:18 -08:00
thread_local.cc
Enable fifo compaction benchmark to db_bench
2017-03-24 17:09:15 -07:00
thread_local.h
Move ThreadLocal implementation into .cc
2017-02-02 14:09:12 -08:00
thread_operation.h
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_impl.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_updater_debug.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_updater.cc
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_updater.h
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
thread_status_util_debug.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
thread_status_util.cc
Cleanup of ThreadStatusUtil structures should use the DB's reference
2017-03-30 10:39:13 -07:00
thread_status_util.h
Gcc 7 error expansion to defined
2016-12-13 18:39:14 -08:00
threadpool_imp.cc
Add missing include for abort()
2017-02-27 17:24:13 -08:00
threadpool_imp.h
Windows thread
2017-02-06 14:54:18 -08:00
transaction_test_util.cc
Gcc-7 buffer size insufficient
2016-12-14 19:24:26 -08:00
transaction_test_util.h
Fix AppVeyor build error
2016-03-15 10:57:33 -07:00
xxhash.cc
Enable MS Warning C4804 : unsafe use of type 'bool' in operation
2015-11-18 16:23:19 -08:00
xxhash.h
Prevent xxhash symbols from polluting global namespace
2015-03-12 12:07:10 -07:00