Last week in scylla.git master (issue #84; 2021-06-27)

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Avi Kivity

Jun 27, 2021, 4:22:11 AMJun 27
to ScyllaDB users, scylladb-dev

This short report brings to light some interesting commits to scylla.git master from the last week. Commits in the 055bc33f0f..3552e99ce7 range are covered.

There were 51 non-merge commits from 13 authors in that period. Some notable commits:

When a node is down, writes to that node are collected in hint files. When the node rejoins, hint files are replayed. It turned out that hint replay was too fast and interfered with the normal workload, so its concurrency was reduced and made configurable.

The bootstrap process was made more robust over failures to communicate the token ranges to the new node. Such problems will be resolved more fully with Raft.

It is now possible to warn or prevent usage of DateTieredCompactionStrategy. It has long since been deprecated in favor of TimeWindowCompactionStrategy.

See you in the next issue of last week in scylla.git master!

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