[RELEASE] ScyllaDB Enterprise 2021.1.20

The ScyllaDB team announces ScyllaDB Enterprise 2021.1.20, a bug-fix production-ready ScyllaDB Enterprise patch release for ScyllaDB Enterprise 2021.1.

ScyllaDB Enterprise 2022.1 LTS is the latest Long-Term Support release, and 2022.2 is the newest feature release. You are encouraged to upgrade in coordination with the ScyllaDB support team.

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The following issues are fixed in this release (with an open-source reference):

  • UX: non informative iotune warnings in scylla_kernel_check #13373
  • Setup: scylla: scylla_setup fails on RAID setup when running node setup on ubuntu 22.04 #11359
  • Correctness: Data in memtable is not considered when deciding whether expired tombstone can be discarded during sstable compaction #1745
  • Setup: scylla: scylla_setup script fails with: Exception: /dev/disk/by-uuid/10802a22-9562-4a01-b84f-6722eb44d300 is not found #11617
  • Stability: possible use-after-move when initializing row cache with dummy entry #13400
  • Docs: fix the supported release matrix to include 2021.1 and Ubuntu 22.04 combination (supported).