[RELEASE] Scylla 4.4.4

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Tzach Livyatan

Aug 6, 2021, 5:10:27 AMAug 6
to ScyllaDB users, scylladb-dev

The ScyllaDB team announces Scylla Open Source 4.4.4, a bugfix release of the Scylla 4.4 stable branch.

Scylla Open Source 4.4.4, like all past and future 4.x.y releases, is backward compatible and supports rolling upgrades.

Related links:


Issues fixed in this release:

  • Stability: Scylla aborts with error “./seastar/src/core/fstream.cc:172: virtual seastar::file_data_source_impl::~file_data_source_impl(): Assertion `_reads_in_progress == 0' failed” when sstable mutation reader is fast forwarding #9049

  • Stability: repair does not consider memory bloat which may cause repair to use more memory and cause std::bad_alloc. #8641

  • Stability: When scylla-server was stopped manually, a few minutes later, the scylla-fstrim service started it again #8921

  • Stability: Some of appending_hash<> instantiations have throwing operator() #8983

  • Stability: Reshape may ignore overlapping in level L where L > 0 #8531

  • Stability: cdc: log: use-after-free in process_bytes_visitor #8117

  • Stability: Certain combination of filtering, index, and frozen collection, causes "marshalling error" failure #7888

  • Tools: Nodetool cleanup failed because of "DC or rack not found in snitch properties" #7930

  • CQL: NetworkTopologyStrategy data center options are not validated #7595

  • Install: dist/redhat: scylla-node-exporter causes error while executing scriptlet on install #8966

  • Install: scylla_coredump_setup fails when on an environment with hard limit of coredump is set to zero, like Oracle Linux 8.1  #8238

  • Performance: Significant write amplification when reshaping level 0 in a LCS table #8345

  • Log: Incomplete information logged when std::nested_exception is printed #8327

  • API uses incorrect plus<int> to sum up cf.active_memtable().partition_count() #9090

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