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badger v1.6.0 Release Notes

Release Date: 2019-07-03 // almost 5 years ago

  • 🚀 This is a release including almost 200 commits, so expect many changes - some of them not backward compatible.

    Regarding backward compatibility in Badger versions, you might be interested on reading [VERSIONING.md](VERSIONING.md).

    Note: The hashes in parentheses correspond to the commits that impacted the given feature.

    🆕 New APIs

    • badger.DB

      • DropPrefix (291295e)
      • Flatten (7e41bba)
      • KeySplits (4751ef1)
      • MaxBatchCount (b65e2a3)
      • MaxBatchSize (b65e2a3)
      • PrintKeyValueHistogram (fd59907)
      • Subscribe (26128a7)
      • Sync (851e462)

    • 0️⃣ badger.DefaultOptions() and badger.LSMOnlyOptions() (91ce687)

      • badger.Options.WithX methods

    • badger.Entry (e9447c9)

      • NewEntry
      • WithMeta
      • WithDiscard
      • WithTTL

    • badger.Item

      • KeySize (fd59907)
      • ValueSize (5242a99)

    • badger.IteratorOptions

      • PickTable (7d46029, 49a49e3)
      • Prefix (7d46029)

    • badger.Logger (fbb2778)

    • badger.Options

      • CompactL0OnClose (7e41bba)
      • Logger (3f66663)
      • LogRotatesToFlush (2237832)

    • badger.Stream (14cbd89, 3258067)

    • badger.StreamWriter (7116e16)

    • badger.TableInfo.KeyCount (fd59907)

    • badger.TableManifest (2017987)

    • badger.Tx.NewKeyIterator (49a49e3)

    • badger.WriteBatch (6daccf9, 7e78e80)

    Modified APIs

    💥 Breaking changes:

    • 0️⃣ badger.DefaultOptions and badger.LSMOnlyOptions are now functions rather than variables (91ce687)
    • badger.Item.Value now receives a function that returns an error (439fd46)
    • badger.Txn.Commit doesn't receive any params now (6daccf9)
    • badger.DB.Tables now receives a boolean (76b5341)

    Not breaking changes:

    • badger.LSMOptions changed values (799c33f)
    • badger.DB.NewIterator now allows multiple iterators per RO txn (41d9656)
    • 0️⃣ badger.Options.TableLoadingMode's new default is options.MemoryMap (6b97bac)

    ✂ Removed APIs

    • badger.ManagedDB (d22c0e8)
    • badger.Options.DoNotCompact (7e41bba)
    • badger.Txn.SetWithX (e9447c9)

    Tools:

    • badger bank disect (13db058)
    • ✅ badger bank test (13db058) --mmap (03870e3)
    • badger fill (7e41bba)
    • badger flatten (7e41bba)
    • badger info --histogram (fd59907) --history --lookup --show-keys --show-meta --with-prefix (09e9b63) --show-internal (fb2eed9)
    • badger benchmark read (239041e)
    • badger benchmark write (6d3b67d)