Dragonfly v1.4.0

New Dragonfly release! Prominent changes include:

• Support for s390x (Thanks, @iko1 )
• Fixing stability issues in the transactional framework around blocking operations (thanks to @glitch user on Discord for helping to pinpoint the issues)
• Support plain replication on the admin port with TLS enabled on the primary port (#1490 )
• Support custom permissioning on UNIX domain sockets (#1415)
• Fix a deadlock when performing the replication over the admin port (#1470)
• Atomic replica failover support.

What's Changed

• feat: add s390x architecture support by @iko1 in #1214
• feat(CI): Update weekly build image name to be dragonfly-weekly by @Pothulapati in #1384
• fix(docker-release): Run Docker test only if image is built by @Pothulapati in #1430
• feat(cluster): Implement CLUSTER KEYSLOT command by @chakaz in #1413
• fix(cluster): Fix race when setting cluster config by @chakaz in #1428
• fix: out of bounds typo by @romange in #1434
• chore: improve connection I/O errors reporting by @romange in #1436
• test(cluster): Extend cluster_mgr.py by @chakaz in #1426
• feat(server): set allowed key size 256MB by @adiholden in #1435
• feat: Implement KNN interface by @dranikpg in #1412
• fix: add numpy to regtests (needed for knn) by @dranikpg in #1454
• fix: call NotifyPending only from tx queue invocations by @dranikpg in #1439
• feat(server): add flag to set FiberQueueThreadPool thread size by @wayslog in #1452
• feat(server): add unixsocketperm support by @adiholden in #1450
• feat(server): Add missing fields to INFO PERSISTENCE command (#1408) by @kostasrim in #1438
• feat(regression github): send failed tests names to chat by @adiholden in #1459
• fix: rename memcache to memcacheD by @dranikpg in #1461
• Expose replication lag metrics by @royjacobson in #1400
• fix: failing assertion on snapshot regression tests when dbfly instance shuts down by @kostasrim in #1463
• fix: support json v1 dot path by @dranikpg in #1462
• feat(log): On startup print info to stdout by @kostasrim in #1448
• fix(server): Fix early reply from DEBUG POPULATE by @chakaz in #1441
• feat(debian): retain debug symbols in deb package by @Pothulapati in #1464
• fix: avoid using main_listener when migrating connections by @romange in #1471
• fix: Don't calculate replication lags when replica is not in stable sync by @royjacobson in #1472
• fix(regression): fix json report filename by @adiholden in #1465
• fix(regression): failing info persistence on snapshot pytests by @kostasrim in #1473
• docs: update contributing.md with style guidelines by @kostasrim in #1467
• bug(cluster): fix crush on flush slots with shutdown by @adiholden in #1477
• fix: Increase the duration of the seeding in test_replication_info. by @royjacobson in #1479
• feat(github regression): add link to github job by @adiholden in #1482
• cleanups: Remove unused member, rename test, remove unused forward decl. by @chakaz in #1483
• fix(cluster): Fix CROSSSLOTS error with multi-key operations by @chakaz in #1488
• feat(cluster): Send flush slots cmd from masters to replicas. by @chakaz in #1484
• feat(server): support command rename by @adiholden in #1489
• Add Japanese README by @eltociear in #1494
• fix: misspelled replication on pytest redis_replication by @kostasrim in #1501
• fix(regression): remove test case for info persistence by @kostasrim in #1492
• feat: global eval in exec by @dranikpg in #1443
• feat: compressed list by @dranikpg in #1474
• fix: disable prohibited eval in multi test by @dranikpg in #1505
• fix(server): Initialize ServerFamily with all listeners. by @royjacobson in #1485
• fix: avoid crashing dragonfly on parsing error of cgroups config by @romange in #1503
• feat: Support atomic replica takeover by @royjacobson in #1314
• chore: tune snyk coverage to ignore test files by @romange in #1509
• Fix a bug and add a timeout test for takeover. by @royjacobson in #1512
• fix: null deref in debug log by @royjacobson in #1513
• chore: refresh helio by @romange in #1506
• docs : add korean translated README by @brewagebear in #1518
• fix(server): fix prints to log by @adiholden in #1520
• takeover: Cancel blocking commands by @royjacobson in #1514
• feat(replication): allow non-tls connections between replica and master #1419 by @kostasrim in #1490
• Fix regression test failures on old Python versions by @royjacobson in #1521
• fix: add missing slash on startup for certain log_dir paths by @kostasrim in #1500

New Contributors

• @wayslog made their first contribution in #1452
• @brewagebear made their first contribution in #1518

Huge thanks to all the contributors! ❤️

Full Changelog: v1.4.0...v1.6.0