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Yanqin Jin 9358178edc Support for single-primary, multi-secondary instances (#4899) 
Summary:
This PR allows RocksDB to run in single-primary, multi-secondary process mode.
The writer is a regular RocksDB (e.g. an `DBImpl`) instance playing the role of a primary.
Multiple `DBImplSecondary` processes (secondaries) share the same set of SST files, MANIFEST, WAL files with the primary. Secondaries tail the MANIFEST of the primary and apply updates to their own in-memory state of the file system, e.g. `VersionStorageInfo`.

This PR has several components:
1. (Originally in #4745). Add a `PathNotFound` subcode to `IOError` to denote the failure when a secondary tries to open a file which has been deleted by the primary.

2. (Similar to #4602). Add `FragmentBufferedReader` to handle partially-read, trailing record at the end of a log from where future read can continue.

3. (Originally in #4710 and #4820). Add implementation of the secondary, i.e. `DBImplSecondary`.
3.1 Tail the primary's MANIFEST during recovery.
3.2 Tail the primary's MANIFEST during normal processing by calling `ReadAndApply`.
3.3 Tailing WAL will be in a future PR.

4. Add an example in 'examples/multi_processes_example.cc' to demonstrate the usage of secondary RocksDB instance in a multi-process setting. Instructions to run the example can be found at the beginning of the source code.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/4899

Differential Revision: D14510945

Pulled By: riversand963

fbshipit-source-id: 4ac1c5693e6012ad23f7b4b42d3c374fecbe8886
2019-03-26 16:45:31 -07:00
..
builder.cc
Feature for sampling and reporting compressibility (#4842)
2019-03-18 12:15:34 -07:00
builder.h
Feature for sampling and reporting compressibility (#4842)
2019-03-18 12:15:34 -07:00
c_test.c
Get CompactionJobInfo from CompactFiles
2018-12-13 14:21:24 -08:00
c.cc
Add missing C API for transaction (#5077)
2019-03-19 09:43:22 -07:00
column_family_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
column_family.cc
Digest ZSTD compression dictionary once when writing SST file (#4849)
2019-01-18 19:12:57 -08:00
column_family.h
Lock free MultiGet (#4754)
2019-01-02 11:42:54 -08:00
compact_files_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
compacted_db_impl.cc
move dump stats to a separate thread (#4382)
2018-10-08 22:54:43 -07:00
compacted_db_impl.h
Enable checkpoint of read-only db (#4681)
2018-12-07 17:06:02 -08:00
compaction_iteration_stats.h
add counter for deletion dropping optimization
2017-08-19 14:10:08 -07:00
compaction_iterator_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
compaction_iterator.cc
WritePrepared: relax assert in compaction iterator (#4969)
2019-02-11 15:01:46 -08:00
compaction_iterator.h
Deprecate CompactionFilter::IgnoreSnapshots() = false (#4954)
2019-02-07 16:57:33 -08:00
compaction_job_stats_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
compaction_job_test.cc
Collect compaction stats by priority and dump to info LOG (#5050)
2019-03-19 17:28:19 -07:00
compaction_job.cc
Collect compaction stats by priority and dump to info LOG (#5050)
2019-03-19 17:28:19 -07:00
compaction_job.h
Collect compaction stats by priority and dump to info LOG (#5050)
2019-03-19 17:28:19 -07:00
compaction_picker_fifo.cc
Deprecate ttl option from CompactionOptionsFIFO (#4965)
2019-02-15 09:51:41 -08:00
compaction_picker_fifo.h
Move FIFOCompactionPicker to a separate file (#4724)
2018-11-29 16:04:52 -08:00
compaction_picker_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
compaction_picker_universal.cc
Add two more StatsLevel (#5027)
2019-02-28 10:27:59 -08:00
compaction_picker_universal.h
Delete triggered compaction for universal style
2018-05-29 15:44:34 -07:00
compaction_picker.cc
Move FIFOCompactionPicker to a separate file (#4724)
2018-11-29 16:04:52 -08:00
compaction_picker.h
Move FIFOCompactionPicker to a separate file (#4724)
2018-11-29 16:04:52 -08:00
compaction.cc
Dictionary compression for files written by SstFileWriter (#4978)
2019-02-14 11:23:55 -08:00
compaction.h
Truncate range tombstones by leveraging InternalKeys (#4432)
2018-10-09 15:19:38 -07:00
comparator_db_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
convenience.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
corruption_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
cuckoo_table_db_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_basic_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_blob_index_test.cc
fix lite build
2017-10-17 08:57:09 -07:00
db_block_cache_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_bloom_filter_test.cc
add whole key bloom filter support in memtables (#4985)
2019-02-19 12:15:39 -08:00
db_compaction_filter_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_compaction_test.cc
Avoid to go through every CF for every ReleaseSnapshot() (#5090)
2019-03-25 19:18:04 -07:00
db_dynamic_level_test.cc
Fix flaky DBDynamicLevelTest.DynamicLevelMaxBytesBase2 (#4668)
2018-11-12 16:42:16 -08:00
db_encryption_test.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
db_filesnapshot.cc
Remove redundant member var and set options (#4631)
2018-11-12 12:24:26 -08:00
db_flush_test.cc
Improve flushing multiple column families (#4708)
2018-12-13 15:12:40 -08:00
db_impl_compaction_flush.cc
Avoid to go through every CF for every ReleaseSnapshot() (#5090)
2019-03-25 19:18:04 -07:00
db_impl_debug.cc
add GetStatsHistory to retrieve stats snapshots (#4748)
2019-02-20 15:52:54 -08:00
db_impl_experimental.cc
Update JobContext. (#3949)
2018-08-03 17:42:34 -07:00
db_impl_files.cc
Fix #3840: only SyncClosedLogs for multiple CFs (#4460)
2018-11-13 11:32:16 -08:00
db_impl_open.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
db_impl_readonly.cc
Add two more StatsLevel (#5027)
2019-02-28 10:27:59 -08:00
db_impl_readonly.h
Get CompactionJobInfo from CompactFiles
2018-12-13 14:21:24 -08:00
db_impl_secondary.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
db_impl_secondary.h
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
db_impl_write.cc
Update bg_error when log flush fails in SwitchMemtable() (#5072)
2019-03-15 15:19:25 -07:00
db_impl.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
db_impl.h
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
db_info_dumper.cc
avoid copying when iterating using range-based for (#4459)
2018-10-09 17:15:51 -07:00
db_info_dumper.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_inplace_update_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_io_failure_test.cc
Disable DBIOFailureTest.NoSpaceCompactRange in LITE (#4596)
2018-10-29 14:36:31 -07:00
db_iter_stress_test.cc
Move prefix_extractor to MutableCFOptions
2018-05-21 14:43:11 -07:00
db_iter_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_iter.cc
Introduce CPU timers for iterator seek and next (#5076)
2019-03-26 16:32:13 -07:00
db_iter.h
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
db_iterator_test.cc
WritePrepared: optimize read path by avoiding virtual (#5018)
2019-02-26 16:56:19 -08:00
db_log_iter_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_memtable_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_merge_operator_test.cc
WritePrepared: optimize read path by avoiding virtual (#5018)
2019-02-26 16:56:19 -08:00
db_options_test.cc
add GetStatsHistory to retrieve stats snapshots (#4748)
2019-02-20 15:52:54 -08:00
db_properties_test.cc
Deprecate ttl option from CompactionOptionsFIFO (#4965)
2019-02-15 09:51:41 -08:00
db_range_del_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_secondary_test.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
db_sst_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_statistics_test.cc
Make statistics's stats_level change thread-safe (#5030)
2019-03-01 10:42:09 -08:00
db_table_properties_test.cc
Allow dynamic modification of window size and deletion trigger (#4403)
2018-09-20 15:15:28 -07:00
db_tailing_iter_test.cc
Remove managed iterator
2018-07-17 14:43:18 -07:00
db_test2.cc
Introduce CPU timers for iterator seek and next (#5076)
2019-03-26 16:32:13 -07:00
db_test_util.cc
Remove cuckoo hash memtable (#4953)
2019-02-07 16:15:27 -08:00
db_test_util.h
Remove cuckoo hash memtable (#4953)
2019-02-07 16:15:27 -08:00
db_test.cc
Make statistics's stats_level change thread-safe (#5030)
2019-03-01 10:42:09 -08:00
db_universal_compaction_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_wal_test.cc
Preload some files even if options.max_open_files (#3340)
2018-12-28 18:02:28 -08:00
db_write_test.cc
Update bg_error when log flush fails in SwitchMemtable() (#5072)
2019-03-15 15:19:25 -07:00
dbformat_test.cc
Relax VersionStorageInfo::GetOverlappingInputs check (#4050)
2018-07-13 17:42:38 -07:00
dbformat.cc
types: add kEntryBlobIndex for TablePropertiesCollector (#4233)
2018-08-06 18:27:44 -07:00
dbformat.h
Reorder DBIter fields to reduce memory usage (#5078)
2019-03-21 09:55:09 -07:00
deletefile_test.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
error_handler_test.cc
Fix regression test failures introduced by PR #4164 (#4375)
2018-09-17 13:14:07 -07:00
error_handler.cc
Fix typos in comments (#4456)
2018-10-04 20:46:50 -07:00
error_handler.h
Fix typos in comments (#4456)
2018-10-04 20:46:50 -07:00
event_helpers.cc
Auto recovery from out of space errors (#4164)
2018-09-15 13:43:04 -07:00
event_helpers.h
Auto recovery from out of space errors (#4164)
2018-09-15 13:43:04 -07:00
experimental.cc
comment unused parameters to turn on -Wunused-parameter flag
2018-04-12 17:59:16 -07:00
external_sst_file_basic_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
external_sst_file_ingestion_job.cc
Collect compaction stats by priority and dump to info LOG (#5050)
2019-03-19 17:28:19 -07:00
external_sst_file_ingestion_job.h
Atomic ingest (#4895)
2019-02-12 19:16:17 -08:00
external_sst_file_test.cc
add whole key bloom filter support in memtables (#4985)
2019-02-19 12:15:39 -08:00
fault_injection_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
file_indexer_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
file_indexer.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
file_indexer.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
filename_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
flush_job_test.cc
Collect compaction stats by priority and dump to info LOG (#5050)
2019-03-19 17:28:19 -07:00
flush_job.cc
Collect compaction stats by priority and dump to info LOG (#5050)
2019-03-19 17:28:19 -07:00
flush_job.h
Collect compaction stats by priority and dump to info LOG (#5050)
2019-03-19 17:28:19 -07:00
flush_scheduler.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
flush_scheduler.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
forward_iterator_bench.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
forward_iterator.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
forward_iterator.h
Comment out unused variables
2018-03-05 13:13:41 -08:00
in_memory_stats_history.cc
add GetStatsHistory to retrieve stats snapshots (#4748)
2019-02-20 15:52:54 -08:00
in_memory_stats_history.h
add GetStatsHistory to retrieve stats snapshots (#4748)
2019-02-20 15:52:54 -08:00
internal_stats.cc
Collect compaction stats by priority and dump to info LOG (#5050)
2019-03-19 17:28:19 -07:00
internal_stats.h
Collect compaction stats by priority and dump to info LOG (#5050)
2019-03-19 17:28:19 -07:00
job_context.h
WritePrepared: Fix visible key compacted out by compaction (#4883)
2019-01-15 21:34:38 -08:00
listener_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
log_format.h
Fix an inaccurate comment (#4315)
2018-08-24 18:13:20 -07:00
log_reader.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
log_reader.h
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
log_test.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
log_writer.cc
Pass manual_wal_flush also to the first wal file
2018-05-14 10:57:56 -07:00
log_writer.h
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
logs_with_prep_tracker.cc
Skip deleted WALs during recovery
2018-05-03 15:43:09 -07:00
logs_with_prep_tracker.h
Skip deleted WALs during recovery
2018-05-03 15:43:09 -07:00
malloc_stats.cc
Detect if Jemalloc is linked with the binary (#4844)
2019-01-03 16:30:12 -08:00
malloc_stats.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
manual_compaction_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
memtable_list_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
memtable_list.cc
Avoid using kInAtomicGroup tag for single-cf op (#4981)
2019-02-13 18:33:42 -08:00
memtable_list.h
Use correct FileMeta for atomic flush result install (#4932)
2019-01-31 14:49:51 -08:00
memtable.cc
add whole key bloom filter support in memtables (#4985)
2019-02-19 12:15:39 -08:00
memtable.h
add whole key bloom filter support in memtables (#4985)
2019-02-19 12:15:39 -08:00
merge_context.h
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
merge_helper_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
merge_helper.cc
Add two more StatsLevel (#5027)
2019-02-28 10:27:59 -08:00
merge_helper.h
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
merge_operator.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
merge_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
obsolete_files_test.cc
Modify verification logic of ObsoleteOptionsFileTest (#4218)
2018-08-03 13:57:40 -07:00
options_file_test.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
perf_context_test.cc
Introduce CPU timers for iterator seek and next (#5076)
2019-03-26 16:32:13 -07:00
pinned_iterators_manager.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
plain_table_db_test.cc
Revert "Remove PlainTable's feature store_index_in_file (#4914)" (#5034)
2019-03-01 15:45:45 -08:00
pre_release_callback.h
Call PreReleaseCallback between WAL and memtable write (#5015)
2019-02-28 15:49:11 -08:00
prefix_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
range_del_aggregator_bench.cc
Fix Windows broken build error due to non-const override (#4798)
2018-12-19 13:29:51 -08:00
range_del_aggregator_test.cc
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
range_del_aggregator.cc
Remove stale TODO (#4800)
2018-12-19 15:45:37 -08:00
range_del_aggregator.h
Fix unused member compile error
2018-12-18 14:28:42 -08:00
range_tombstone_fragmenter_test.cc
Prepare FragmentedRangeTombstoneIterator for use in compaction (#4740)
2018-12-11 12:10:48 -08:00
range_tombstone_fragmenter.cc
Add compaction logic to RangeDelAggregatorV2 (#4758)
2018-12-17 13:20:51 -08:00
range_tombstone_fragmenter.h
Add compaction logic to RangeDelAggregatorV2 (#4758)
2018-12-17 13:20:51 -08:00
read_callback.h
WritePrepared: optimize read path by avoiding virtual (#5018)
2019-02-26 16:56:19 -08:00
repair_test.cc
Acquire lock on DB LOCK file before starting repair. (#4435)
2018-10-12 10:41:54 -07:00
repair.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
snapshot_checker.h
WritePrepared: fix issue with snapshot released during compaction (#4858)
2019-01-16 09:55:32 -08:00
snapshot_impl.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
snapshot_impl.h
Remove duplicates from SnapshotList::GetAll (#4860)
2019-01-09 16:25:42 -08:00
table_cache.cc
Introduce a CPU time counter in perf_context (#4741)
2018-12-20 12:03:44 -08:00
table_cache.h
Preload some files even if options.max_open_files (#3340)
2018-12-28 18:02:28 -08:00
table_properties_collector_test.cc
Feature for sampling and reporting compressibility (#4842)
2019-03-18 12:15:34 -07:00
table_properties_collector.cc
Feature for sampling and reporting compressibility (#4842)
2019-03-18 12:15:34 -07:00
table_properties_collector.h
Feature for sampling and reporting compressibility (#4842)
2019-03-18 12:15:34 -07:00
transaction_log_impl.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
transaction_log_impl.h
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
version_builder_test.cc
Apply modernize-use-override (3)
2019-02-19 13:39:49 -08:00
version_builder.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
version_builder.h
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
version_edit_test.cc
Add a unit test to Ignorable manfiest record (#4964)
2019-02-11 11:20:24 -08:00
version_edit.cc
Add a placeholder in manifest indicating ignorable record (#4960)
2019-02-08 11:33:11 -08:00
version_edit.h
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
version_set_test.cc
Apply modernize-use-override (3)
2019-02-19 13:39:49 -08:00
version_set.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
version_set.h
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
wal_manager_test.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
wal_manager.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
wal_manager.h
Fix memleak when DB::DeleteFile()
2018-01-11 18:57:33 -08:00
write_batch_base.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_batch_internal.h
WriteUnPrepared: Add new WAL marker kTypeBeginUnprepareXID (#4069)
2018-06-28 18:58:29 -07:00
write_batch_test.cc
Apply modernize-use-override (3)
2019-02-19 13:39:49 -08:00
write_batch.cc
Apply modernize-use-override (3)
2019-02-19 13:39:49 -08:00
write_callback_test.cc
Apply modernize-use-override (3)
2019-02-19 13:39:49 -08:00
write_callback.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_controller_test.cc
Apply modernize-use-override (3)
2019-02-19 13:39:49 -08:00
write_controller.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_controller.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_thread.cc
Add more sync point to fix flaky test GroupCommitTest
2018-11-07 14:07:53 -08:00
write_thread.h
Fix skip WAL for whole write_group when leader's callback fail (#4838)
2019-01-03 12:40:42 -08:00