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Before this patch, `system.dicts` contains only one dictionary, for RPC compression, with the fixed name "general". In later parts of this series, we will add more dictionaries to system.dicts, one per table, for SSTable compression. To enable that, this patch adjusts the callback mechanism for group0's `write_mutations` command, so that the mutation callbacks for group0-managed tables can see which partition keys were affected. This way, the callbacks can query only the modified partitions instead of doing a full scan. (This is necessary to prevent quadratic behaviours.) For now, only the `system.dicts` callback uses the partition keys.
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.