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ChangeLog
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ChangeLog
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2021-08-23 Mikio Hirabayashi <[email protected]>
- Release: 1.0.3
- Library version: 1.46.0
- Add time utilities.
2021-08-19 Mikio Hirabayashi <[email protected]>
- Release: 1.0.2
- Library version: 1.45.0
- Tune parameters for HashDBM for better concurrency.
- Tune parameters for TreeDBM for better concurrency.
- NETWORK_ERROR is added to the Status codes.
- Fix a bug of SearchMap.
- Compatibility of the language interfaces
- tkrzw-java: 0.1.20
- tkrzw-python: 0.1.20
- tkrzw-ruby: 0.1.20
- tkrzw-go: 0.1.20
2021-08-16 Mikio Hirabayashi <[email protected]>
- Release: 1.0.1
- Library version: 1.44.0
- Use xmallocaligned uses posix_memalign on POSIX systems.
- Optimize MemoryMapParallelFile and MemoryMapAtomicFile to reduce malloc calls.
- Fix a bug of TruncateFakely when increasing the file size.
- Optimize tkrzw_dbm_perf to check memory allocation accurately.
- Add methods to FileIndex.
2021-08-09 Mikio Hirabayashi <[email protected]>
- Release: 1.0.0
- Library version: 1.43.0
- Refactoring.
2021-08-08 Mikio Hirabayashi <[email protected]>
- Release: 0.9.52
- Library version: 1.41.0
- Rebuild is guarded by try lock.
- FreeBlockPool is guarded by SpinMutex.
2021-08-07 Mikio Hirabayashi <[email protected]>
- Release: 0.9.51
- Library version: 1.39.0
- Refactoring.
2021-08-02 Mikio Hirabayashi <[email protected]>
- Release: 0.9.50
- Library version: 1.39.0
- tkrzw_thread_util becomes a template library.
- Use spin lock mutexes for performance.
2021-07-28 Mikio Hirabayashi <[email protected]>
- Release: 0.9.49
- Library version: 1.38.0
- Add exporting methods to the asynchronous API.
- Rename some exporting methods.
- Add GetTypeExtra to StatusFeature.
- Compatibility of the language interfaces
- tkrzw-java: 0.1.17
- tkrzw-python: 0.1.17
- tkrzw-ruby: 0.1.17
- tkrzw-go: 0.1.5
2021-07-26 Mikio Hirabayashi <[email protected]>
- Release: 0.9.48
- Library version: 1.37.0
- Add StatusFuture class for the asynchronous API.
- Add asynchronous API to the C interface.
2021-07-25 Mikio Hirabayashi <[email protected]>
- Release: 0.9.47
- Library version: 1.36.0
- Fix compilation warnings on Mac.
- Add TKRZW_PAGE_SIZE constant to the C interface.
- Compatibility of the language interfaces
- tkrzw-java: 0.1.16
- tkrzw-python: 0.1.16
- tkrzw-ruby: 0.1.16
- tkrzw-go: 0.1.2
2021-07-23 Mikio Hirabayashi <[email protected]>
- Release: 0.9.46
- Library version: 1.35.0
- Fix a bug of RestoreDatabase on systems with the page size more than 4096, like M1 Mac.
- Add string utilities to the C interface.
2021-07-17 Mikio Hirabayashi <[email protected]>
- Release: 0.9.45
- Library version: 1.34.0
- AsyncDBM supports callback functions.
2021-07-15 Mikio Hirabayashi <[email protected]>
- Release: 0.9.44
- Library version: 1.33.0
- tkrzw_dbm_tran supports asynchronous operations.
2021-07-13 Mikio Hirabayashi <[email protected]>
- Release: 0.9.43
- Library version: 1.32.0
- Add SearchDBMOrder method.
- Add AsyncDBM class.
- Add AppendMulti method.
- Modify signature of GetMulti method.
- Compatibility of the language interfaces
- tkrzw-java: 0.1.14
- tkrzw-python: 0.1.14
- tkrzw-ruby: 0.1.14
2021-07-11 Mikio Hirabayashi <[email protected]>
- Release: 0.9.42
- Library version: 1.31.0
- Exporting functions are added to the C language interface.
- Fix a compilation error on Windows.
2021-07-09 Mikio Hirabayashi <[email protected]>
- Release: 0.9.41
- Library version: 1.30.0
- Fix a bug of memory corruption of tkrzw_dbm_tran.
- Fix a metadata inconsistency of TreeDBM.
2021-07-08 Mikio Hirabayashi <[email protected]>
- Release: 0.9.40
- Library version: 1.29.0
- Add regex utility functions.
- Add utility functions to the C interface.
- Modify API of SearchDBMModal.
- Compatibility of the language interfaces
- tkrzw-java: 0.1.12
- tkrzw-python: 0.1.12
- tkrzw-ruby: 0.1.12
2021-07-07 Mikio Hirabayashi <[email protected]>
- Release: 0.9.39
- Library version: 1.28.0
- The C language interface supports the generic file implementation.
- Improve efficiency of the restore operation.
2021-07-04 Mikio Hirabayashi <[email protected]>
- Release: 0.9.38
- Library version: 1.27.0
- Add search and restore features to the C interface.
- Add utility functions to know memory usage.
- Add a command to check the C interface functionality.
2021-07-02 Mikio Hirabayashi <[email protected]>
- Release: 0.9.37
- Library version: 1.26.0
- Add the C language interface.
- Efficiency of auto restore is improved.
2021-07-01 Mikio Hirabayashi <[email protected]>
- Release: 0.9.36
- Library version: 1.25.0
- Efficiency of auto restore is improved.
2021-06-29 Mikio Hirabayashi <[email protected]>
- Release: 0.9.35
- Library version: 1.24.0
- Auto restore feature of HashDBM becomes more efficient.
- The database format of HashDBM is changed to be more resilient to I/O failures.
- The database format of SkipDBM is changed to be more resilient to I/O failures.
2021-06-26 Mikio Hirabayashi <[email protected]>
- Release: 0.9.34
- Library version: 1.23.0
- HashDBM::VaridateRecords is added.
- CopyFileData supports copy-on-write backup on BtrFS and XFS.
2021-06-21 Mikio Hirabayashi <[email protected]>
- Release: 0.9.33
- Library version: 1.22.0
- Checksum is embedded in the record header of HashDBM.
- Format of record padding is changed in HashDBM.
- Hash functions are moved from tkrzw_lib_common.h to tkrzw_hash_util.h.
- Performance of CRC-32 is improved if zlib is enabled.
2021-06-20 Mikio Hirabayashi <[email protected]>
- Release: 0.9.32
- Library version: 1.21.0
- A restore mode "RESTORE_READ_ONLY" is added.
- Abolish the ChechHashChain feature.
- Fix a bug of race condition between ProcessMulti and Rebuild.
2021-06-19 Mikio Hirabayashi <[email protected]>
- Release: 0.9.31
- Library version: 1.20.0
- "tkrzw_dbm_util restore" supports in-place restoration.
- Performance of HashDBM::Set and HashDBM::Remove is improved.
2021-06-18 Mikio Hirabayashi <[email protected]>
- Release: 0.9.30
- Library version: 1.19.0
- Data compression features are added.
- Confirmed compatibility of the compression libraries
- zlib 1.2.11
- libzstd 1.4.5
- liblz4 1.9.2
- liblzma 5.2.4
2021-06-14 Mikio Hirabayashi <[email protected]>
- Release: 0.9.29
- Library version: 1.18.0
- Parallelism of ProcessMulti and ComareExchangeMulti of ShardDBM is improved.
2021-06-13 Mikio Hirabayashi <[email protected]>
- Release: 0.9.28
- Library version: 1.17.0
- Fix a bug of interface of the Murmur hash function.
- Avoid reading too large data from the file.
2021-06-12 Mikio Hirabayashi <[email protected]>
- Release: 0.9.27
- Library version: 1.16.0
- Add record CRC modes to detect data corruption.
- Add a performance test for hash functions.
2021-06-11 Mikio Hirabayashi <[email protected]>
- Release: 0.9.26
- Library version: 1.15.0
- Improve ability to detect corrupt records on restoration.
- Add CRC functions.
- The record header section has static_flags.
2021-06-08 Mikio Hirabayashi <[email protected]>
- Release: 0.9.25
- Library version: 1.14.0
- Auto recovery supports metadata brokage.
- Add a command to check transaction features.
- Add SkipDBM::ReduceToTotalBigEndian.
- Fix a bug that Rebuild performance has inefficiency.
- PolyDBM returns dummy iterators for unopened databases.
2021-06-05 Mikio Hirabayashi <[email protected]>
- Release: 0.9.24
- Library version: 1.13.0
- Add cyclic metadata to HashDBM and SkipDBM.
- SkipDBM::FinishStorage becomes more robust.
- PageCache supports partial flush.
- Performance of HashDBM::Synchronize improves.
2021-05-30 Mikio Hirabayashi <[email protected]>
- Release: 0.9.23
- Library version: 1.12.0
- Add ReadMetadata and ParseMetadata methods.
- Ability of RestoreDatabase metdhods to recover the file is improved.
- Modify Makefile.in to support build operations in a subdirectory.
- Add parameters for the offset and the size to File::Synchronize.
- Performance of synchronizing the database file is improved.
- Compatibility of the language interfaces
- tkrzw-java: 0.1.10
- tkrzw-python: 0.1.10
- tkrzw-ruby: 0.1.10
2021-05-29 Mikio Hirabayashi <[email protected]>
- Release: 0.9.22
- Library version: 1.11.1
- Fix a bug of the page cache for block I/O.
2021-05-25 Mikio Hirabayashi <[email protected]>
- Release: 0.9.21
- Library version: 1.11.0
- Add DBM::RemoveMulti method.
- Solve compilation warnings on Mac OS.
- Support direct I/O on Mac OS.
- Support multi record atomic transaction on HashDBM.
- Compatibility of the language interfaces
- tkrzw-java: 0.1.9
- tkrzw-python: 0.1.9
- tkrzw-ruby: 0.1.9
2021-05-24 Mikio Hirabayashi <[email protected]>
- Release: 0.9.20
- Library version: 1.10.0
- Add fine tuning parameters for random access on POSIX.
2021-05-15 Mikio Hirabayashi <[email protected]>
- Release: 0.9.19
- Library version: 1.9.0
- Performance of direct I/O is improved.
- Add min_read_size to HashDBM::TuningParameters.
2021-05-15 Mikio Hirabayashi <[email protected]>
- Release: 0.9.18
- Library version: 1.8.0
- Fix a bug of cache_buffer on read-only direct I/O mode.
- Performance of reading record is improved when alignment is set.
- Performance of writing page cachees is improved.
2021-05-14 Mikio Hirabayashi <[email protected]>
- Release: 0.9.17
- Library version: 1.7.0
- "lock_mem_buckets" and "cache_buckets" parameters become integers.
- Add the page cache system to improve direct I/O performance.
- PolyDBM supports padding and pagecache options for direct I/O.
- SkipDBM keeps file properties across Synchronize and Rebuild.
- Remove debug messages inside the library.
2021-05-12 Mikio Hirabayashi <[email protected]>
- Release: 0.9.16
- Library version: 1.6.0
- Support direct I/O on SkipDBM.
- Add PositionalFile::ACCESS_PADDING which aligns the file size for direct I/O.
- Add logic to open database files which has padding bytes at the end of the file.
- Fix compilation error no Mac OS due to aligned_alloc.
- Abolish using std::filesystem package to support GCC 7 or earlier.
- Omit test cases by default to support systems which don't support direct I/O.
2021-05-11 Mikio Hirabayashi <[email protected]>
- Release: 0.9.15
- Library version: 1.5.0
- Add features to do direct IO on Linux.
- Positional access file classes support block IO and head caching.
- Fix a bug in tkrzw_file_test_common.h where Synchronize shouldn't be called.
- Rebuild method keeps space allocation strategy and other properties of the file.
2021-05-06 Mikio Hirabayashi <[email protected]>
- Release: 0.9.14
- Library version: 1.4.0
- Performance of file classes on Windows improves.
- Compatibility of the language interfaces
- tkrzw-java: 0.1.7
- tkrzw-python: 0.1.7
- tkrzw-ruby: 0.1.7