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The PRUNE MATERALIZED VIEW statement is performed as follows: 1. Perform a range scan of the view table from the view replicas based on the ranges specified in the statement. 2. While reading the paged scan above, for each view row perform a read from all base replicas at the corresponding primary key. If a discrepancy is detected, delete the row in the view table. When reading multiple rows, this is very slow because for each view row we need to performe a single row query on multiple replicas. In this patch we add an option to speed this up by performing many of the single base row reads concurrently, at the concurrency specified in the USING CONCURRENCY clause. Fixes https://github.com/scylladb/scylladb/issues/27070
Scylla in-source tests.
For details on how to run the tests, see docs/dev/testing.md
Shared C++ utils, libraries are in lib/, for Python - pylib/
alternator - Python tests which connect to a single server and use the DynamoDB API unit, boost, raft - unit tests in C++ cqlpy - Python tests which connect to a single server and use CQL topology* - tests that set up clusters and add/remove nodes cql - approval tests that use CQL and pre-recorded output rest_api - tests for Scylla REST API Port 9000 scylla-gdb - tests for scylla-gdb.py helper script nodetool - tests for C++ implementation of nodetool
If you can use an existing folder, consider adding your test to it. New folders should be used for new large categories/subsystems, or when the test environment is significantly different from some existing suite, e.g. you plan to start scylladb with different configuration, and you intend to add many tests and would like them to reuse an existing Scylla cluster (clusters can be reused for tests within the same folder).
To add a new folder, create a new directory, and then
copy & edit its suite.ini.