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Peter Dillinger 9fa5c146d7 LOG more info on oldest snapshot and sequence numbers (#10454) 
Summary:
The info LOG file does not currently give any direct
information about the existence of old, live snapshots, nor how to
estimate wall time from a sequence number within the scope of LOG
history. This change addresses both with:
* Logging smallest and largest seqnos for generated SST files, which can
help associate sequence numbers with write time (based on flushes).
* Logging oldest_snapshot_seqno for each compaction, which (along with
that seqno info) helps us to determine how much old data might be kept
around for old (leaked?) snapshots. Including the date here I thought might
be excessive.

I wanted to log the date and seqno of the oldest snapshot with periodic
stats, but the current structure of the code doesn't really support that
because `DumpDBStats` doesn't have access to the DB object.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10454

Test Plan:
manual inspect LOG from
`KEEP_DB=1 ./db_basic_test --gtest_filter=*CompactBetweenSnapshots*`

Reviewed By: ajkr

Differential Revision: D38326948

Pulled By: pdillinger

fbshipit-source-id: 294918ffc04a419844146cd826045321b4d5c038
2022-08-12 13:08:50 -07:00
..
blob Fix wrong value passed in compaction filter in BlobDB (#10391) 2022-08-11 13:55:28 -07:00
compaction LOG more info on oldest snapshot and sequence numbers (#10454) 2022-08-12 13:08:50 -07:00
db_impl WritableFileWriter tries to skip operations after failure (#10489) 2022-08-10 10:19:20 -07:00
wide Make queries return the value of the default column for wide-column entities (#10483) 2022-08-08 16:10:08 -07:00
arena_wrapped_db_iter.cc Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
arena_wrapped_db_iter.h Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
builder.cc Support prepopulating/warming the blob cache (#10298) 2022-07-17 07:13:59 -07:00
builder.h Add seqno to time mapping (#10338) 2022-07-14 21:49:34 -07:00
c.cc Support prepopulating/warming the blob cache (#10298) 2022-07-17 07:13:59 -07:00
c_test.c Support prepopulating/warming the blob cache (#10298) 2022-07-17 07:13:59 -07:00
column_family.cc Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
column_family.h Add seqno to time mapping (#10338) 2022-07-14 21:49:34 -07:00
column_family_test.cc Migrate to docker for CI run (#10496) 2022-08-10 17:34:38 -07:00
compact_files_test.cc Migrate to docker for CI run (#10496) 2022-08-10 17:34:38 -07:00
comparator_db_test.cc Document design/specification bugs with auto_prefix_mode (#10144) 2022-06-13 11:08:50 -07:00
convenience.cc Specify largest_seqno in VerifyChecksum (#9919) 2022-05-02 10:22:08 -07:00
corruption_test.cc Migrate to docker for CI run (#10496) 2022-08-10 17:34:38 -07:00
cuckoo_table_db_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
db_basic_test.cc Fix MultiGet range deletion handling and a memory leak (#10513) 2022-08-09 14:44:47 -07:00
db_block_cache_test.cc Migrate to docker for CI run (#10496) 2022-08-10 17:34:38 -07:00
db_bloom_filter_test.cc Update/clarify required properties for prefix extractors (#10245) 2022-06-28 16:08:30 -07:00
db_compaction_filter_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
db_compaction_test.cc Allow manual compactions to run in parallel by default (#10317) 2022-07-28 17:07:36 -07:00
db_dynamic_level_test.cc Remove deprecated API AdvancedColumnFamilyOptions::soft_rate_limit/hard_rate_limit (#9452) 2022-01-27 13:01:09 -08:00
db_encryption_test.cc Fix a minor issue with initializing the test path (#8555) 2021-07-23 08:38:45 -07:00
db_filesnapshot.cc Reduce risk of backup or checkpoint missing a WAL file (#10083) 2022-06-01 11:02:27 -07:00
db_flush_test.cc Dynamically changeable MemPurge option (#10011) 2022-06-23 09:42:18 -07:00
db_info_dumper.cc Printing IO Error in DumpDBFileSummary (#9940) 2022-05-04 10:19:53 -07:00
db_info_dumper.h Add a DB Session ID (#6959) 2020-06-15 10:47:02 -07:00
db_inplace_update_test.cc Fix in-place updates for value types other than kTypeValue (#10254) 2022-06-27 16:37:09 -07:00
db_io_failure_test.cc Enable a few unit tests to use custom Env objects (#9087) 2021-11-08 11:05:59 -08:00
db_iter.cc Reset blob value as soon as it's not needed in DBIter (#10490) 2022-08-09 11:39:57 -07:00
db_iter.h Reset blob value as soon as it's not needed in DBIter (#10490) 2022-08-09 11:39:57 -07:00
db_iter_stress_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
db_iter_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
db_iterator_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
db_kv_checksum_test.cc Handoff checksum during WAL replay (#10212) 2022-07-05 15:44:35 -07:00
db_log_iter_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
db_logical_block_size_cache_test.cc Attempt to deflake DBLogicalBlockSizeCacheTest.CreateColumnFamilies (#9516) 2022-03-04 11:35:28 -08:00
db_memtable_test.cc Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
db_merge_operand_test.cc Avoid allocations/copies for large GetMergeOperands() results (#10458) 2022-08-04 00:42:13 -07:00
db_merge_operator_test.cc Fix a minor issue with initializing the test path (#8555) 2021-07-23 08:38:45 -07:00
db_options_test.cc Fix typo in comments and code (#10233) 2022-06-22 15:45:21 -07:00
db_properties_test.cc Add blob cache tickers, perf context statistics, and DB properties (#10203) 2022-06-28 13:52:35 -07:00
db_range_del_test.cc Try to trivial move more than one files (#10190) 2022-07-05 10:10:37 -07:00
db_rate_limiter_test.cc Add rate-limiting support to batched MultiGet() (#10159) 2022-06-17 16:40:47 -07:00
db_readonly_with_timestamp_test.cc Add timestamp support to CompactedDBImpl (#10030) 2022-05-24 12:14:10 -07:00
db_secondary_test.cc Fail DB::Open() if logger cannot be created (#9984) 2022-05-27 07:23:31 -07:00
db_sst_test.cc Pass the size of blob files to SstFileManager during DB open (#10062) 2022-05-27 05:58:43 -07:00
db_statistics_test.cc Bytes read stat for VerifyChecksum() and VerifyFileChecksums() APIs (#8741) 2021-09-07 13:28:29 -07:00
db_table_properties_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
db_tailing_iter_test.cc Fix a minor issue with initializing the test path (#8555) 2021-07-23 08:38:45 -07:00
db_test.cc Re-enable SuggestCompactRangeTest and add Universal Compaction test (#10473) 2022-08-05 13:16:58 -07:00
db_test2.cc Change bottommost_temperture to last_level_temperture (#10471) 2022-08-08 14:36:34 -07:00
db_test_util.cc Tiered compaction: integrate Seqno time mapping with per key placement (#10370) 2022-07-15 19:01:30 -07:00
db_test_util.h Tiered compaction: integrate Seqno time mapping with per key placement (#10370) 2022-07-15 19:01:30 -07:00
db_universal_compaction_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
db_wal_test.cc Deflake DBWALTest.RaceInstallFlushResultsWithWalObsoletion (#10456) 2022-08-04 12:14:28 -07:00
db_with_timestamp_basic_test.cc Fix assertion error with read_opts.iter_start_ts (#10279) 2022-06-30 10:16:03 -07:00
db_with_timestamp_compaction_test.cc Provide support for subcompactions with user-defined timestamps (#10344) 2022-07-31 11:39:16 -07:00
db_with_timestamp_test_util.cc Add timestamp support to DBImplReadOnly (#10004) 2022-05-19 18:39:41 -07:00
db_with_timestamp_test_util.h Add timestamp support to DBImplReadOnly (#10004) 2022-05-19 18:39:41 -07:00
db_write_buffer_manager_test.cc Enable a few unit tests to use custom Env objects (#9087) 2021-11-08 11:05:59 -08:00
db_write_test.cc Fix race in ExitAsBatchGroupLeader with pipelined writes (#9944) 2022-08-02 14:52:10 -07:00
dbformat.cc Make InternalKeyComparator not configurable (#10342) 2022-07-14 10:09:31 -07:00
dbformat.h Add helper function to get debug type name (#10243) 2022-07-15 14:42:00 -07:00
dbformat_test.cc Make InternalKeyComparator not configurable (#10342) 2022-07-14 10:09:31 -07:00
deletefile_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
error_handler.cc Do not hold mutex when write keys if not necessary (#7516) 2022-07-21 13:35:36 -07:00
error_handler.h Do not hold mutex when write keys if not necessary (#7516) 2022-07-21 13:35:36 -07:00
error_handler_fs_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
event_helpers.cc LOG more info on oldest snapshot and sequence numbers (#10454) 2022-08-12 13:08:50 -07:00
event_helpers.h Add a listener callback for end of auto error recovery (#9244) 2021-12-08 14:30:57 -08:00
experimental.cc Remove unused fields from FileMetaData (temporarily) (#10443) 2022-08-01 17:56:13 -07:00
external_sst_file_basic_test.cc Tiered compaction: integrate Seqno time mapping with per key placement (#10370) 2022-07-15 19:01:30 -07:00
external_sst_file_ingestion_job.cc Remove unused fields from FileMetaData (temporarily) (#10443) 2022-08-01 17:56:13 -07:00
external_sst_file_ingestion_job.h Track SST unique id in MANIFEST and verify (#9990) 2022-05-19 11:04:21 -07:00
external_sst_file_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
fault_injection_test.cc Fix a bug causing duplicate trailing entries in WritableFile (buffered IO) (#9236) 2021-12-13 09:00:36 -08:00
file_indexer.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
file_indexer.h Use std::numeric_limits<> (#9954) 2022-05-05 13:08:21 -07:00
file_indexer_test.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
filename_test.cc fixing issue #8345 RocksDB does not work when using UNC network paths (#9384) 2022-03-30 15:55:31 -07:00
flush_job.cc Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
flush_job.h Add seqno to time mapping (#10338) 2022-07-14 21:49:34 -07:00
flush_job_test.cc Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
flush_scheduler.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
flush_scheduler.h Include C++ standard library headers instead of C compatibility headers (#8068) 2021-03-19 12:09:47 -07:00
forward_iterator.cc Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
forward_iterator.h Make InternalKeyComparator not configurable (#10342) 2022-07-14 10:09:31 -07:00
forward_iterator_bench.cc Remove using namespace (#9369) 2022-01-12 09:31:12 -08:00
history_trimming_iterator.h Add OpenAndTrimHistory API to support trimming data with specified timestamp (#9410) 2022-03-11 16:13:23 -08:00
import_column_family_job.cc Add some missing headers (#10519) 2022-08-11 12:45:50 -07:00
import_column_family_job.h Add some missing headers (#10519) 2022-08-11 12:45:50 -07:00
import_column_family_test.cc Add some missing headers (#10519) 2022-08-11 12:45:50 -07:00
internal_stats.cc Add blob cache tickers, perf context statistics, and DB properties (#10203) 2022-06-28 13:52:35 -07:00
internal_stats.h Tiered Compaction: per key placement support (#9964) 2022-07-13 20:54:49 -07:00
job_context.h CompactionIterator sees consistent view of which keys are committed (#9830) 2022-04-14 11:11:04 -07:00
kv_checksum.h fix compile errors in db/kv_checksum.h (#9173) 2021-11-16 10:20:50 -08:00
listener_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
log_format.h Add record to set WAL compression type if enabled (#9556) 2022-02-17 16:19:31 -08:00
log_reader.cc Add checksum handshake for WAL fragment decompression (#10339) 2022-07-25 16:27:26 -07:00
log_reader.h Add checksum handshake for WAL fragment decompression (#10339) 2022-07-25 16:27:26 -07:00
log_test.cc Add checksum handshake for WAL fragment decompression (#10339) 2022-07-25 16:27:26 -07:00
log_writer.cc WritableFileWriter tries to skip operations after failure (#10489) 2022-08-10 10:19:20 -07:00
log_writer.h Fix typo in comments and code (#10233) 2022-06-22 15:45:21 -07:00
logs_with_prep_tracker.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
logs_with_prep_tracker.h Include C++ standard library headers instead of C compatibility headers (#8068) 2021-03-19 12:09:47 -07:00
lookup_key.h Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
malloc_stats.cc Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -07:00
malloc_stats.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
manual_compaction_test.cc Migrate to docker for CI run (#10496) 2022-08-10 17:34:38 -07:00
memtable.cc Make queries return the value of the default column for wide-column entities (#10483) 2022-08-08 16:10:08 -07:00
memtable.h Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
memtable_list.cc Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
memtable_list.h Add seqno to time mapping (#10338) 2022-07-14 21:49:34 -07:00
memtable_list_test.cc Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
merge_context.h Add Merge Operator support to WriteBatchWithIndex (#8135) 2021-05-10 12:50:25 -07:00
merge_helper.cc Add API for writing wide-column entities (#10242) 2022-06-25 15:30:47 -07:00
merge_helper.h Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
merge_helper_test.cc Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
merge_operator.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
merge_test.cc Make the Env class Customizable (#9293) 2022-01-04 16:45:49 -08:00
obsolete_files_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
options_file_test.cc No elide constructors (#7798) 2020-12-23 16:55:53 -08:00
output_validator.cc Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
output_validator.h Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
perf_context_test.cc Migrate to docker for CI run (#10496) 2022-08-10 17:34:38 -07:00
periodic_work_scheduler.cc Fix seqno->time worker not scheduled with multi DB instances (#10383) 2022-07-18 19:08:39 -07:00
periodic_work_scheduler.h Fix seqno->time worker not scheduled with multi DB instances (#10383) 2022-07-18 19:08:39 -07:00
periodic_work_scheduler_test.cc Add seqno to time mapping (#10338) 2022-07-14 21:49:34 -07:00
pinned_iterators_manager.h Avoid allocations/copies for large GetMergeOperands() results (#10458) 2022-08-04 00:42:13 -07:00
plain_table_db_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
post_memtable_callback.h Snapshots with user-specified timestamps (#9879) 2022-06-10 16:07:03 -07:00
pre_release_callback.h Fix and detect headers with missing dependencies (#8893) 2021-09-10 10:00:26 -07:00
prefix_test.cc Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
range_del_aggregator.cc In ParseInternalKey(), include corrupt key info in Status (#7515) 2020-10-28 10:12:58 -07:00
range_del_aggregator.h Fix some typos in comments (#8066) 2021-03-25 21:18:08 -07:00
range_del_aggregator_bench.cc Cleanup multiple implementations of VectorIterator (#8901) 2021-10-06 07:48:31 -07:00
range_del_aggregator_test.cc Cleanup multiple implementations of VectorIterator (#8901) 2021-10-06 07:48:31 -07:00
range_tombstone_fragmenter.cc Added memtable garbage statistics (#8411) 2021-06-18 04:57:27 -07:00
range_tombstone_fragmenter.h Added memtable garbage statistics (#8411) 2021-06-18 04:57:27 -07:00
range_tombstone_fragmenter_test.cc Cleanup multiple implementations of VectorIterator (#8901) 2021-10-06 07:48:31 -07:00
read_callback.h Fix and detect headers with missing dependencies (#8893) 2021-09-10 10:00:26 -07:00
repair.cc Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
repair_test.cc Remove customized naming from InternalKeyComparator (#10343) 2022-07-12 13:30:35 -07:00
seqno_time_test.cc Change bottommost_temperture to last_level_temperture (#10471) 2022-08-08 14:36:34 -07:00
seqno_to_time_mapping.cc Tiered compaction: integrate Seqno time mapping with per key placement (#10370) 2022-07-15 19:01:30 -07:00
seqno_to_time_mapping.h Tiered compaction: integrate Seqno time mapping with per key placement (#10370) 2022-07-15 19:01:30 -07:00
snapshot_checker.h Use STATIC_AVOID_DESTRUCTION for static objects with non-trivial destructors (#9958) 2022-05-17 09:39:22 -07:00
snapshot_impl.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
snapshot_impl.h Snapshots with user-specified timestamps (#9879) 2022-06-10 16:07:03 -07:00
table_cache.cc Fix MultiGet range deletion handling and a memory leak (#10513) 2022-08-09 14:44:47 -07:00
table_cache.h Fix MultiGet range deletion handling and a memory leak (#10513) 2022-08-09 14:44:47 -07:00
table_cache_sync_and_async.h Add some missing headers (#10519) 2022-08-11 12:45:50 -07:00
table_properties_collector.cc Apply sample_for_compression to all block-based tables (#8105) 2021-03-25 15:00:45 -07:00
table_properties_collector.h Track each SST's timestamp information as user properties (#9093) 2021-11-19 11:37:06 -08:00
table_properties_collector_test.cc WritableFileWriter tries to skip operations after failure (#10489) 2022-08-10 10:19:20 -07:00
transaction_log_impl.cc Support read rate-limiting in SequentialFileReader (#9973) 2022-05-24 10:28:57 -07:00
transaction_log_impl.h Add checks to GetUpdatesSince (#9459) 2022-04-14 17:12:16 -07:00
trim_history_scheduler.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
trim_history_scheduler.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
version_builder.cc Add basic kRoundRobin compaction policy (#10107) 2022-06-21 11:56:53 -07:00
version_builder.h Account memory of FileMetaData in global memory limit (#9924) 2022-06-14 13:06:40 -07:00
version_builder_test.cc Remove unused fields from FileMetaData (temporarily) (#10443) 2022-08-01 17:56:13 -07:00
version_edit.cc Remove unused fields from FileMetaData (temporarily) (#10443) 2022-08-01 17:56:13 -07:00
version_edit.h Remove unused fields from FileMetaData (temporarily) (#10443) 2022-08-01 17:56:13 -07:00
version_edit_handler.cc Add blob source to retrieve blobs in RocksDB (#10198) 2022-06-20 20:58:11 -07:00
version_edit_handler.h Fixed manifest_dump issues when printing keys and values containing null characters (#8378) 2021-06-10 12:55:20 -07:00
version_edit_test.cc Remove unused fields from FileMetaData (temporarily) (#10443) 2022-08-01 17:56:13 -07:00
version_set.cc Fix regression issue of too large score (#10518) 2022-08-11 17:10:36 -07:00
version_set.h Break TableReader MultiGet into filter and lookup stages (#10432) 2022-08-04 12:51:57 -07:00
version_set_sync_and_async.h Break TableReader MultiGet into filter and lookup stages (#10432) 2022-08-04 12:51:57 -07:00
version_set_test.cc WritableFileWriter tries to skip operations after failure (#10489) 2022-08-10 10:19:20 -07:00
version_util.h Add blob source to retrieve blobs in RocksDB (#10198) 2022-06-20 20:58:11 -07:00
wal_edit.cc Do not hold mutex when write keys if not necessary (#7516) 2022-07-21 13:35:36 -07:00
wal_edit.h Do not hold mutex when write keys if not necessary (#7516) 2022-07-21 13:35:36 -07:00
wal_edit_test.cc Do not hold mutex when write keys if not necessary (#7516) 2022-07-21 13:35:36 -07:00
wal_manager.cc Fix bug for WalManager with compressed WAL (#10130) 2022-06-08 14:16:43 -07:00
wal_manager.h Fix bug for WalManager with compressed WAL (#10130) 2022-06-08 14:16:43 -07:00
wal_manager_test.cc Migrate to docker for CI run (#10496) 2022-08-10 17:34:38 -07:00
write_batch.cc Handoff checksum during WAL replay (#10212) 2022-07-05 15:44:35 -07:00
write_batch_base.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
write_batch_internal.h Handoff checksum during WAL replay (#10212) 2022-07-05 15:44:35 -07:00
write_batch_test.cc Fragment memtable range tombstone in the write path (#10380) 2022-08-05 12:02:33 -07:00
write_callback.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
write_callback_test.cc Migrate to docker for CI run (#10496) 2022-08-10 17:34:38 -07:00
write_controller.cc Revamp WriteController (#8064) 2021-03-18 09:47:31 -07:00
write_controller.h Set Write rate limiter priority dynamically and pass it to FS (#9988) 2022-05-18 00:41:41 -07:00
write_controller_test.cc Revamp WriteController (#8064) 2021-03-18 09:47:31 -07:00
write_thread.cc Fix race in ExitAsBatchGroupLeader with pipelined writes (#9944) 2022-08-02 14:52:10 -07:00
write_thread.h Fix race in ExitAsBatchGroupLeader with pipelined writes (#9944) 2022-08-02 14:52:10 -07:00