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Update HISTORY.md, version.h, and the format compatibility check script for the 9.7 release (#13027) 

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/13027

Reviewed By: jowlyzhang

Differential Revision: D63158344

Pulled By: ltamasi

fbshipit-source-id: e650a0024155d52c7aa2afd0f242b8363071279a
This commit is contained in:
Levi Tamasi 2024-09-20 19:19:06 -07:00 committed by Facebook GitHub Bot
parent a1a102ffce
commit fbbb08770f
15 changed files with 22 additions and 15 deletions
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HISTORY.md
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# Rocksdb Change Log # Rocksdb Change Log
> NOTE: Entries for next release do not go here. Follow instructions in `unreleased_history/README.txt` > NOTE: Entries for next release do not go here. Follow instructions in `unreleased_history/README.txt`
## 9.7.0 (09/20/2024)
### New Features
* Make Cache a customizable class that can be instantiated by the object registry.
* Add new option `prefix_seek_opt_in_only` that makes iterators generally safer when you might set a `prefix_extractor`. When `prefix_seek_opt_in_only=true`, which is expected to be the future default, prefix seek is only used when `prefix_same_as_start` or `auto_prefix_mode` are set. Also, `prefix_same_as_start` and `auto_prefix_mode` now allow prefix filtering even with `total_order_seek=true`.
* Add a new table property "rocksdb.key.largest.seqno" which records the largest sequence number of all keys in file. It is verified to be zero during SST file ingestion.
### Behavior Changes
* Changed the semantics of the BlobDB configuration option `blob_garbage_collection_force_threshold` to define a threshold for the overall garbage ratio of all blob files currently eligible for garbage collection (according to `blob_garbage_collection_age_cutoff`). This can provide better control over space amplification at the cost of slightly higher write amplification.
* Set `write_dbid_to_manifest=true` by default. This means DB ID will now be preserved through backups, checkpoints, etc. by default. Also add `write_identity_file` option which can be set to false for anticipated future behavior.
* In FIFO compaction, compactions for changing file temperature (configured by option `file_temperature_age_thresholds`) will compact one file at a time, instead of merging multiple eligible file together (#13018).
* Support ingesting db generated files using hard link, i.e. IngestExternalFileOptions::move_files/link_files and IngestExternalFileOptions::allow_db_generated_files.
* Add a new file ingestion option `IngestExternalFileOptions::link_files` to hard link input files and preserve original files links after ingestion.
* DB::Close now untracks files in SstFileManager, making avaialble any space used
by them. Prior to this change they would be orphaned until the DB is re-opened.
### Bug Fixes
* Fix a bug in CompactRange() where result files may not be compacted in any future compaction. This can only happen when users configure CompactRangeOptions::change_level to true and the change level step of manual compaction fails (#13009).
* Fix handling of dynamic change of `prefix_extractor` with memtable prefix filter. Previously, prefix seek could mix different prefix interpretations between memtable and SST files. Now the latest `prefix_extractor` at the time of iterator creation or refresh is respected.
* Fix a bug with manual_wal_flush and auto error recovery from WAL failure that may cause CFs to be inconsistent (#12995). The fix will set potential WAL write failure as fatal error when manual_wal_flush is true, and disables auto error recovery from these errors.
## 9.6.0 (08/19/2024) ## 9.6.0 (08/19/2024)
### New Features ### New Features
* *Best efforts recovery supports recovering to incomplete Version with a clean seqno cut that presents a valid point in time view from the user's perspective, if versioning history doesn't include atomic flush. * *Best efforts recovery supports recovering to incomplete Version with a clean seqno cut that presents a valid point in time view from the user's perspective, if versioning history doesn't include atomic flush.

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include/rocksdb/version.h
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// NOTE: in 'main' development branch, this should be the *next* // NOTE: in 'main' development branch, this should be the *next*
// minor or major version number planned for release. // minor or major version number planned for release.
#define ROCKSDB_MAJOR 9 #define ROCKSDB_MAJOR 9
#define ROCKSDB_MINOR 7 #define ROCKSDB_MINOR 8
#define ROCKSDB_PATCH 0 #define ROCKSDB_PATCH 0
// Do not use these. We made the mistake of declaring macros starting with // Do not use these. We made the mistake of declaring macros starting with

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tools/check_format_compatible.sh
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# To check for DB forward compatibility with loading options (old version # To check for DB forward compatibility with loading options (old version
# reading data from new), as well as backward compatibility # reading data from new), as well as backward compatibility
declare -a db_forward_with_options_refs=("8.6.fb" "8.7.fb" "8.8.fb" "8.9.fb" "8.10.fb" "8.11.fb" "9.0.fb" "9.1.fb" "9.2.fb" "9.3.fb" "9.4.fb" "9.5.fb" "9.6.fb") declare -a db_forward_with_options_refs=("8.6.fb" "8.7.fb" "8.8.fb" "8.9.fb" "8.10.fb" "8.11.fb" "9.0.fb" "9.1.fb" "9.2.fb" "9.3.fb" "9.4.fb" "9.5.fb" "9.6.fb" "9.7.fb")
# To check for DB forward compatibility without loading options (in addition # To check for DB forward compatibility without loading options (in addition
# to the "with loading options" set), as well as backward compatibility # to the "with loading options" set), as well as backward compatibility
declare -a db_forward_no_options_refs=() # N/A at the moment declare -a db_forward_no_options_refs=() # N/A at the moment

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unreleased_history/behavior_changes/blob_garbage_collection_force_threshold.md
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Changed the semantics of the BlobDB configuration option `blob_garbage_collection_force_threshold` to define a threshold for the overall garbage ratio of all blob files currently eligible for garbage collection (according to `blob_garbage_collection_age_cutoff`). This can provide better control over space amplification at the cost of slightly higher write amplification.

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unreleased_history/behavior_changes/db_id.md
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* Set `write_dbid_to_manifest=true` by default. This means DB ID will now be preserved through backups, checkpoints, etc. by default. Also add `write_identity_file` option which can be set to false for anticipated future behavior.

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unreleased_history/behavior_changes/fifo-temp-compaction.md
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* In FIFO compaction, compactions for changing file temperature (configured by option `file_temperature_age_thresholds`) will compact one file at a time, instead of merging multiple eligible file together (#13018).

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unreleased_history/behavior_changes/ingest-live-file-with-move.md
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* Support ingesting db generated files using hard link, i.e. IngestExternalFileOptions::move_files/link_files and IngestExternalFileOptions::allow_db_generated_files.

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unreleased_history/behavior_changes/link-file-ingest.md
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* Add a new file ingestion option `IngestExternalFileOptions::link_files` to hard link input files and preserve original files links after ingestion.

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unreleased_history/behavior_changes/sst_file_manager_untrack_close.md
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DB::Close now untracks files in SstFileManager, making avaialble any space used
by them. Prior to this change they would be orphaned until the DB is re-opened.

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unreleased_history/bug_fixes/bug-refit-level.md
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* Fix a bug in CompactRange() where result files may not be compacted in any future compaction. This can only happen when users configure CompactRangeOptions::change_level to true and the change level step of manual compaction fails (#13009).

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unreleased_history/bug_fixes/memtable_prefix.md
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* Fix handling of dynamic change of `prefix_extractor` with memtable prefix filter. Previously, prefix seek could mix different prefix interpretations between memtable and SST files. Now the latest `prefix_extractor` at the time of iterator creation or refresh is respected.

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unreleased_history/bug_fixes/wal-error-recovery.md
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* Fix a bug with manual_wal_flush and auto error recovery from WAL failure that may cause CFs to be inconsistent (#12995). The fix will set potential WAL write failure as fatal error when manual_wal_flush is true, and disables auto error recovery from these errors.

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unreleased_history/new_features/customizable_cache.md
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Make Cache a customizable class that can be instantiated by the object registry.

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unreleased_history/new_features/prefix_seek_opt_in_only.md
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* Add new option `prefix_seek_opt_in_only` that makes iterators generally safer when you might set a `prefix_extractor`. When `prefix_seek_opt_in_only=true`, which is expected to be the future default, prefix seek is only used when `prefix_same_as_start` or `auto_prefix_mode` are set. Also, `prefix_same_as_start` and `auto_prefix_mode` now allow prefix filtering even with `total_order_seek=true`.

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unreleased_history/new_features/tp_largest_seqno.md
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* Add a new table property "rocksdb.key.largest.seqno" which records the largest sequence number of all keys in file. It is verified to be zero during SST file ingestion.