This is the 16th release of Apache BookKeeper!
The 4.7.3 release is a bugfix release which fixes a bunch of issues reported from users of 4.7.2.
Apache BookKeeper users who are using 4.7.2 are encouraged to upgrade to 4.7.3. The technical details of this release are summarized below.
Cancel Scheduled SpeculativeReads, see apache/bookkeeper#1665
IllegalReferenceCountException at closing EntryLogManagerForSingleEntryLog, see apache/bookkeeper#1703
EntryMemTable.newEntry retains reference to passed ByteBuffer array can cause corruption on journal replay, see apache/bookkeeper#1737
Ledger deletion racing with flush can cause a ledger index to be resurrected, see apache/bookkeeper#1757
Don't cache Bookie hostname DNS resolution forever, see apache/bookkeeper#1762
Use default metric registry in Prometheus export, see apache/bookkeeper#1765
Fix Auth with v2 protocol, see apache/bookkeeper#1805
Remove MathUtils.now to address compaction scheduling deplay issues, see apache/bookkeeper#1837
DbLedgerStorage should do periodical flush, see apache/bookkeeper#1843