badger v20.07.0 Release Notes

Release Date: 2020-08-10 // over 1 year ago
  • 🛠 Fixed

    • ➕ Add a limit to the size of the batches sent over a stream. (#1412)
    • 🛠 Fix Sequence generates duplicate values (#1281)
    • 🛠 Fix race condition in DoesNotHave (#1287)
    • Fail fast if cgo is disabled and compression is ZSTD (#1284)
    • Proto: make badger/v2 compatible with v1 (#1293)
    • Proto: Rename dgraph.badger.v2.pb to badgerpb2 (#1314)
    • 🖐 Handle duplicates in ManagedWriteBatch (#1315)
    • Ensure bitValuePointer flag is cleared for LSM entry values written to LSM (#1313)
    • ⬇️ DropPrefix: Return error on blocked writes (#1329)
    • 🚚 Confirm badgerMove entry required before rewrite (#1302)
    • ⬇️ Drop move keys when its key prefix is dropped (#1331)
    • Iterator: Always add key to txn.reads (#1328)
    • ⏪ Restore: Account for value size as well (#1358)
    • Compaction: Expired keys and delete markers are never purged (#1354)
    • GC: Consider size of value while rewriting (#1357)
    • 👮 Force KeepL0InMemory to be true when InMemory is true (#1375)
    • Rework DB.DropPrefix (#1381)
    • ⚡️ Update head while replaying value log (#1372)
    • 🚦 Avoid panic on multiple closer.Signal calls (#1401)
    • Return error if the vlog writes exceeds more than 4GB (#1400)

    🐎 Performance

    • Clean up transaction oracle as we go (#1275)
    • 👉 Use cache for storing block offsets (#1336)

    🔋 Features

    • 👌 Support disabling conflict detection (#1344)
    • ➕ Add leveled logging (#1249)
    • 👌 Support entry version in Write batch (#1310)
    • ➕ Add Write method to batch write (#1321)
    • 👌 Support multiple iterators in read-write transactions (#1286)

    🆕 New APIs

    • Badger.DB
    • Badger.Option
      • WithDetectConflicts (#1344)
      • WithKeepBlockIndicesInCache (#1336)
      • WithKeepBlocksInCache (#1336)
    • Badger.WriteBatch

    🔄 Changes to Default Options

    • 0️⃣ DefaultOptions: Set KeepL0InMemory to false (#1345)
    • 0️⃣ Increase default valueThreshold from 32B to 1KB (#1346)

    🗄 Deprecated

    • Badger.Option
      • WithEventLogging (#1203)

    ⏪ Reverts

    ⏪ This section lists the changes which were reverted because of non-reproducible crashes.

    • Compress/Encrypt Blocks in the background (#1227)

Previous changes from v20.07.0-rc3