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Scylla release: version 1.2.1

The Scylla team is pleased to announce the release of Scylla 1.2.1, a bugfix release of the Scylla 1.2 stable branch. Release 1.2.1, like all past and future 1.x.y releases, is backward compatible and supports rolling upgrades.

The following bugs have been fixed:

  • When migrating SSTables from Cassandra or a Scylla deployment with a different number of shards (cores), some SSTables are shared between more than one shard. This proved to be wasteful #1314. Scylla now splits SSTables between shards after startup.
  • A node running out of disk space did not gracefully shutdown and did not notify the cluster it is not available #1353, #1311
  • nodetool refresh did not invalidate the cache, causing some reads to ignore the new loaded data #1212
  • Reads concurrent with table drop/truncate or ring movements might bring back stale data until node is restarted #1291
  • Scylla starts up errors, like incorrect command line parameters was not gracefully handled #1379
  • Scylla Installation failed on RHEL 7.2 #1360, #1399

Scylla contributions

Asias He (3):
      streaming: Fix indention in do_send_mutations
      streaming: Switch log level to warn instead of error
      repair: Switch log level to warn instead of error

Avi Kivity (3):
      Be more conservative when deciding when to shut down due to disk errors
      dist: fix scylla-kernel-conf postinstall scriptlet failure
      main: handle exceptions during startup

Duarte Nunes (1):
      database: Actually decrease query_state limit

Nadav Har'El (3):
      Rewrite shared sstables soon after startup
      Rewrite shared sstables only after entire CF is read
      Rewriting shared sstables only after all shards loaded sstables

Pekka Enberg (5):
      dist/docker: Use Scylla 1.2 RPM repository
      utils/exceptions: Whitelist EEXIST and ENOENT in should_stop_on_system_error()
      service/storage_service: Make do_isolate_on_error() more robust
      systemd: Use PermissionsStartOnly instead of running sudo
      release: prepare for 1.2.1

Tomasz Grabiec (2):
      row_cache: Implement clear() using invalidate()
      row_cache: Make stronger guarantees in clear/invalidate
Scylla Team

About Scylla Team

Scylla is the world’s fastest wide-column store database: the functionality of Apache Cassandra with the speed of a light key/value store.