Last week in scylladb.git master (issue #156; 2022-11-27)

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Avi Kivity

<avi@scylladb.com>

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Nov 27, 2022, 5:00:14 AM11/27/22

to ScyllaDB users, scylladb-dev

This short report brings to light some interesting commits to scylladb.git master from the last week. Commits in the 41629e97de..996eac9569 range are covered.

There were 90 non-merge commits from 12 authors in that period. Some notable commits:

A regression where CQL ignored some WHERE clause components when a multi-column restriction ((col_a, col_b) < (0, 0)) was present was fixed.

The bundled cqlsh now uses the ScyllaDB Python driver (rather than the generic Cassandra driver) and supports Scylla Cloud connection bundles.

When a query completes a page, ScyllaDB caches the query activity as an inactive read. When the client requests the next page, ScyllaDB re-activates the read and continues where it left off. A bug in this mechanism that could cause crashes has been fixed.

There is now documentation for the (mostly automatic) procedure to upgrade a cluster to use Raft, and for the manual procedure to recover in case of problems.

A bug in alternator WHERE condition for global secondary index range key, that does not appear to have any user visible impact, has been fixed.