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Ari Ekmekji 601b1aaca0 Fixing Failed Assertion in Subcompaction State Diff 
Summary:
In D43239 (https://reviews.facebook.net/D43239) there is an
assertion to make sure a subcompaction's output is never empty at the
end of execution. This assertion however breaks the build because some
tests lead to exactly that scenario. So instead I have altered the logic
to handle this case instead of just failing the assertion.

The reason that it is possible for a subcompaction's output to be empty is
that during a sequential execution of subcompactions, if a user aborts the
compaction job then some of the later subcompactions to be executed may
have yet to process any keys and therefore have yet to generate output files.
This becomes very rare once the subcompactions are executed in parallel,
but for now they are still sequential so the case is possible when there is an
early termination, as in some of the tests.

Test Plan: ./db_test  ./db_compaction_test

Reviewers: sdong, igor, anthony, yhchiang

Reviewed By: yhchiang

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D44877
2015-08-18 12:27:12 -07:00
..
builder.cc
Simplify querying of merge results
2015-08-17 17:34:38 -07:00
builder.h
Measure file read latency histogram per level
2015-08-14 17:32:42 -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
Removing duplicate code
2015-08-05 07:33:27 -07:00
column_family.cc
Don't let flushes preempt compactions
2015-07-17 12:02:52 -07:00
column_family.h
Fail DB::Open() when the requested compression is not available
2015-06-18 14:55:05 -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_job_stats_test.cc
Add options.compaction_measure_io_stats to print write I/O stats in compactions
2015-08-13 16:52:26 -07:00
compaction_job_test.cc
[Parallel L0-L1 Compaction Prep]: Giving Subcompactions Their Own State
2015-08-18 11:06:23 -07:00
compaction_job.cc
Fixing Failed Assertion in Subcompaction State Diff
2015-08-18 12:27:12 -07:00
compaction_job.h
[Parallel L0-L1 Compaction Prep]: Giving Subcompactions Their Own State
2015-08-18 11:06:23 -07:00
compaction_picker_test.cc
Make compaction_picker_test runnable in ROCKSDB_LITE
2015-07-20 10:46:09 -07:00
compaction_picker.cc
Fix CompactFiles by adding all necessary files
2015-08-03 15:53:22 -07:00
compaction_picker.h
Fix when output level is 0 of universal compaction with trivial move
2015-07-27 14:25:57 -07:00
compaction.cc
[Parallel L0-L1 Compaction Prep]: Giving Subcompactions Their Own State
2015-08-18 11:06:23 -07:00
compaction.h
[Parallel L0-L1 Compaction Prep]: Giving Subcompactions Their Own State
2015-08-18 11:06:23 -07:00
comparator_db_test.cc
Make "make all" work for CYGWIN
2015-06-09 16:36:07 -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
Add options.compaction_measure_io_stats to print write I/O stats in compactions
2015-08-13 16:52:26 -07:00
db_compaction_filter_test.cc
Don't let flushes preempt compactions
2015-07-17 12:02:52 -07:00
db_compaction_test.cc
Update Tests To Enable Subcompactions
2015-08-04 22:19:07 -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
[Parallel L0-L1 Compaction Prep]: Giving Subcompactions Their Own State
2015-08-18 11:06:23 -07:00
db_impl.h
Pessimistic Transactions
2015-08-11 17:52:23 -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
Add test case to repro the mispositional iterator in a low-chance data race case
2015-08-12 10:50:52 -07:00
db_iter.cc
Removing duplicate code in db_bench/db_stress, fixing typos
2015-08-11 11:46:15 -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
Move TailingIterator tests from db_test.cc to db_test_tailing_iterator.cc
2015-07-14 16:41:08 -07:00
db_test.cc
Parallelize LoadTableHandlers
2015-08-11 12:19:56 -07:00
db_universal_compaction_test.cc
Fix when output level is 0 of universal compaction with trivial move
2015-07-27 14:25:57 -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
Avoid manipulating const char* arrays
2015-07-14 00:21:41 -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
[wal changes 3/3] method in DB to sync WAL without blocking writers
2015-08-05 06:06:39 -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
Better CompactionJob testing
2015-08-07 21:59:51 -07:00
flush_job.cc
Measure file read latency histogram per level
2015-08-14 17:32:42 -07:00
flush_job.h
simple ManagedSnapshot wrapper
2015-08-06 17:59:05 -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
Measure file read latency histogram per level
2015-08-14 17:32:42 -07:00
forward_iterator.h
rocksdb: Add missing override
2015-02-26 11:28:41 -08:00
internal_stats.cc
Measure file read latency histogram per level
2015-08-14 17:32:42 -07:00
internal_stats.h
Measure file read latency histogram per level
2015-08-14 17:32:42 -07:00
job_context.h
fixed leaking log::Writers
2015-07-07 12:10:10 -07:00
listener_test.cc
Deprecate WriteOptions::timeout_hint_us
2015-07-14 09:35:48 +02:00
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
Move rate_limiter, write buffering, most perf context instrumentation and most random kill out of Env
2015-07-17 16:58:18 -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
Allow GetApproximateSize() to include mem table size if it is skip list memtable
2015-06-16 18:13:23 -07:00
memtable_list.h
Allow GetApproximateSize() to include mem table size if it is skip list memtable
2015-06-16 18:13:23 -07:00
memtable.cc
Simplify querying of merge results
2015-08-17 17:34:38 -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
Windows Port from Microsoft
2015-07-01 16:13:56 -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
Simplify querying of merge results
2015-08-17 17:34:38 -07:00
merge_helper.h
Simplify querying of merge results
2015-08-17 17:34:38 -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
Block plain_table_db_test in ROCKSDB_LITE
2015-07-20 11:12:02 -07:00
prefix_test.cc
Skip unsupported tests in ROCKSDB_LITE
2015-07-20 11:24:54 -07:00
repair.cc
Measure file read latency histogram per level
2015-08-14 17:32:42 -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
Measure file read latency histogram per level
2015-08-14 17:32:42 -07:00
table_cache.h
Measure file read latency histogram per level
2015-08-14 17:32:42 -07:00
table_properties_collector_test.cc
Removing duplicate code
2015-08-05 07:33:27 -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
Parallelize LoadTableHandlers
2015-08-11 12:19:56 -07:00
version_builder.h
Parallelize LoadTableHandlers
2015-08-11 12:19:56 -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
Added JSON manifest dump option to ldb command
2015-07-17 10:07:40 -07:00
version_set_test.cc
Report live data size estimate
2015-07-21 21:33:20 -07:00
version_set.cc
Measure file read latency histogram per level
2015-08-14 17:32:42 -07:00
version_set.h
Add DBOptions::skip_sats_update_on_db_open
2015-08-04 13:48:16 -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
simple ManagedSnapshot wrapper
2015-08-06 17:59:05 -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