v1.3.2

Improvements

• Support flag --config-info to output the config info #831

Bug Fixes

• Fix TiDB regionMiss backoff causes TiProxy to incorrectly migrate connections #834
• Fix TiProxy may fail to query from Prometheus in operator deployment #836

v1.3.1

Improvements

• Support configuring multiple virtual IP addresses in one cluster #825
• Add debug logs and metrics for load balance #784 #788
• Use more conservative thresholds for health and memory factors #787
• Add config enable-traffic-replay to turn off traffic replay on TiDB Cloud #800

Bug Fixes

• Fix wrong status in the API debug log #782
• Fix that TiProxy may be too slow to migrate connections when TiDB scales in #785
• Fix the bug that the CPU usage jitters too much in the short-lived connection workload #786
• Fix the load balance may not work when one TiDB is unhealthy #797
• Fix that the connection scores may be wrong when the connection closes and migrates concurrently #799
• Reduce useless migrations based on connection count in short connection workload #803
• Fix data race when routing and setting config concurrently #809
• Fix connection migrations may be slower than expected #814
• Fix TiProxy doesn't update backend labels after TiDB sets label through the HTTP API #821
• Fix connection is repeatedly migrated by CPU and location #824 #827

Compatibility Breakers

• Never route to backends with a different label even when no backends are available #807

v1.4.0-beta.1

Features

• Release traffic replay as GA #642

Improvements

• Support configuring multiple virtual IP addresses in one cluster #705
• Change the default certificate RSA size from 1024 to 4096 #715
• Add a config security.server-http-tls.cert-allowed-cn to verify the common names of client certificates #736

Bug Fixes

• Fix wrong status in the API debug log #753

Compatibility Breakers

• Forbid capturing traffic if the meta file already exists #721

v1.3.0

Features

• Support traffic replay as an experimental feature #642

Improvements

• Make the API /api/debug/health return error when no backends are available #692
• Do not log config when the config is not changed #694

Bug Fixes

• Fix that the configuration proxy is reset when the command line flag --advertise-addr is set #691
• Fix that an unhealthy backend may never be removed #697

Compatibility Breakers

• Change the tiproxyctl flag --curls to --host and --port #664

v1.2.0

Features

• Support virtual IP management #583

Improvements

• Read metrics from backends for load balance when Prometheus is unavailable #465

Bug Fixes

• Fix the bug that backend metrics are not cleared after backends are down #585
• Fix vulnerability issues scanned by third-party tools #623

v1.1.0

Features

• Support multi-factor-based balance #465

Improvements

• Add configuration proxy.advertise-addr #495
• Add command line argument advertise-addr #497
• Speed up health check by checking in parallel #498
• Make sure the Welcome TiProxy info is always printed #507
• Do not reject new connections during graceful-wait-before-shutdown #525
• Add configuration labels #536
• Set the Y axis of some metrics to logBase=2 #561

Compatibility Breakers

• Deprecate command line arguments log_level and log_encoder #504

v1.0.0

Improvements

• Replace time.Time with mono-time to optimize duration calculation #461
• Change the log level of some logs from info to debug #463
• Optimize updating metrics to improve the performance by around 3% #467
• Reduce GC CPU usage by 1% in the case of plenty of connections #474
• Add metrics for traffic and handshake #477
• Add alert rules #481
• Support get JSON format config for /api/admin/config by setting Accept='application/json' in the request header #484

Fixes

• Fix that welcome logs may not printed #454
• Fix that rebalance may not work after session migrations are interrupted #459
• Fix the bug that the config file may not be reloaded if the directory is removed and recreated immediately #475
• Fix panic when a TiDB fails during session migration #486
• Fix the bug that some goroutines are not recovered after they panic #488

v0.2.0

Improvements

• Support online reload for require-backend-tls and remove unnecessary configs #396
• Add config graceful-close-conn-timeout #400
• Add config server-http-tls to specify HTTP port TLS config #403
• Do not report errors when the sequence mismatches #410
• Double-check the target backend health before session migration #412
• Add more metrics for connections, queries and health checks #416
• Move config require-backend-tls from proxy to security and change the default value to false #419
• Add HTTP API /debug and /metrics to be consistent with TiDB #426
• Remove pushing metrics to Prometheus to avoid authentication #431
• Change the default minimum TLS version from v1.1 to v1.2 #437

Fixes

• Fix COM_STMT_EXECUTE may hang when the client disables ClientDeprecateEOF and uses cursors #440
• Fix the config file may not be reloaded when the config directory is removed and created again #446
• Fix TiDB may be unbalanced after session migrations are interrupted #451

v0.1.2

Changelog

• d394ee5 backend, net: log client versions (#395)

v0.1.2-alpha.2

Changelog

• 37c4701 backend, net: reduce memory allocation in forwarding packets (#394)
• 9dac468 proxy: listen on additional addrs (#393)
• 8d0bf38 api: add grpc and diagnostics (#388)
• c7ea81a backend, net: optimize read/write connection by forwarding packets (#391)
• 5da388a backend: fix duplicated import (#390)
• c9c5817 auth: reconnect backend (#389)