[Feature] High availability of the master service based on ETCD hot-standby mode - #3

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Libotry wants to merge 155 commits into

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br_hot_standby_ha_code_ut

Commits on Dec 19, 2025

[feat]hot standby for ha
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d369915

Commits on Dec 24, 2025

ha
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cb96c19
fix
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3a68768
fix
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db782bb
Ack
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6a90b32
real Ack
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de5c4fc

Commits on Dec 25, 2025

add thread for check
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bb70f07

Commits on Dec 26, 2025

based on etcd
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02950cf
based on etcd 2
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2cafab1

Commits on Dec 27, 2025

phase 1
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4d693d2
fix
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7daf123
fix
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f9f3660
fix
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a95051c
fix
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693d5de
fix
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59bf00e
fix
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oplog watcher
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ApplyOpLogEntry
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e082439
HotStandbyService
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c8227bc

Commits on Dec 29, 2025

fix
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83eb05a
fix
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44d0d74
fix
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fd893ae
mod
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dccb000
oplog seq
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6ba449b
fix
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373f823
fix doc
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4b73166
delete key_seq_map_
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fdb90d4
序列化和反序列化metadata:standby同步恢复数据
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af9f082
fix
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16e3bf1
fix
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d24cfcb
修改上报seqid机制
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19b6f07
delete
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972b20a
fix hash
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71cfb8d

Commits on Dec 31, 2025

refactor
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6e5e68b
fix
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a483987
fix
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c1402e6

Commits on Jan 5, 2026

retry and seq miss process
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a4a9512
fix dependency
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a55525c
fix
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44449f7
fix ci
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c7fcb8b
delete doc
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4ac8031
fix V2
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1b4d3f1
fix
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bf5af33
fix important bug
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b1221e3
fix gap and limit of pendingMutation and OpLogEntry checksum verify
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7e328fa
fix
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50f1b18

Commits on Jan 6, 2026

fix wrap-around
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338a0b5
fix security
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3164aea
fix cluster_id invalid
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54dd5d4
add state machine
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6818263
fix compile
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c3edf2d
fix retry
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6905b5c
ha metrics
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e05354a
fix compile
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97efa87
fix
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2b83373
add ut test: standby_state_machine
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0f1f919
fix CMakeLists
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0806716
fix CMakeLists 2
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919afbc
fix ut
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035e6c8
add ut test: oplog_manager_test
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03831fa
add ut: etcd_oplog_store_test
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add ut: oplog_applier_test
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61cb945
fix test
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a62c648
fix ut
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3a5a652
fix ut
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305ebd7
add ut: oplog_watcher_test
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b012e6b
fix ut
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190e0f9
add ut: hot_standby_service_test
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a68a9b1
fix ut
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8f3a449
add ut: ha_metric_manager_test
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f8dd38f
add ut:hot_standby_integration_test
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d5aa516
add ut: complete hot_standby_intergration_test
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bb46734
fix compile
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a217bde
fix ut bug
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3db5030

Commits on Jan 7, 2026

fix ut for etcd
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bc0a534
fix
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8ca0a03
fix bug
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6d38b0b
fix bug
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e799287
fix bug
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b3b3146
fix bug
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fix
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bb6b1a8
fix bug
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10fde3c
fix bug
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d445b66
fix compile
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a47ad22
fix bug
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e509707
fix bug
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30c6fbb
fix bug
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eb16818
fix bug
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61f9158
fix test
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2c2eb06
fix test
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12dcc4e
fix test: zh to en
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697b9ac

Commits on Jan 8, 2026

fix bug
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87f16cd
[todo:delete] mock client
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c54253a
fix mock compile
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2a841e8
fix mock
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ea939b1
fix mock
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15d9b1b
fix mock
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98dc1da
fix mock
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bb2c984
fix mock
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2b3e274
fix mock
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f87439d
fix mock
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afc2032
fix mock
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[todo delete]: mod segment offload
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8a5d357

Commits on Jan 9, 2026

fix
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19ad555
[todo delete]mod client_live_ttl_sec
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fb2369a
[bugfix]fix update metadate oplog
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af7555d

Commits on Jan 12, 2026

[mock]delete mock client key limit
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2c47d29
[mock]mod mock log
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[mock]mod key start value
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627aead
[bugfix] repair transport_endpoint
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193fed4
[ut_client test]add client get/put test
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8a83ca0
[important][bugfix]fix Client Create bug
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8c1c654

Commits on Jan 14, 2026

[bugfix]fix ping fail connect
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3fd94f3

Commits on Jan 15, 2026

Revert "[todo delete]: mod segment offload"
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d32c2ed

Commits on Jan 20, 2026

[mock]mod put interval microsecond
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4f485c8

Commits on Jan 23, 2026

[bugfix]reg uuid to ylt
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[bugfix]do not split uuid
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32207fc
fix
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c5d4afd
fix 2
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c07f3ad
fix 3
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87aa10b
[important]mod serilized from json to msg_pack
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8990cc1
fix compile
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518b896
fix compile 2
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[todo delete]add debug
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[todo delete]add debug 2
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[todo delete]add debug 3
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[todo delete]add debug 4
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3cb7216
[bugfix]fix checksum diff
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18a9a79
[bugfix]fix checksum diff 2
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722883d
[todo delete]add debug log
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86efe6a
[bugfix]add decode base64 for standby
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abf23f2
Revert "[todo delete]add debug log"
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e0a337c
Revert "[todo delete]add debug 4"
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85b5e08
Revert "[todo delete]add debug 3"
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Revert "[todo delete]add debug 2"
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43f048d
Revert "[todo delete]add debug"
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7cb38c7
[fix]delete log
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38a6f4e
[fix]delete log
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ffea76b

Commits on Jan 26, 2026

[feat]add batch commit itf
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37eb1a8
[feat]add batch commit func
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4ff670e
fix compile
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6cc6f50
[fix]add retry flush
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b9caafe

Commits on Jan 27, 2026

Add HA Metrics: batch commits times
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f35be31
fix: batch commit summary err
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97e7e81

Commits on Jan 29, 2026

[fix]delete WatchWithPrefix v1 interface
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62bbff2
[fix]mod v2 to v0
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31ffe53
fix compile
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c9d2f8d
[stub snapshot]stub snapshot for test
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cbb8599
[stub snapshot]add snapshot period
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f33d20d
[clean oplog]add clean oplog for snapshot
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[snapshot stub]config
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dee2bbf

Commits on Jan 30, 2026

[snapshot stub]add log
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[snapshot stub]add log 2
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bd468b9
[snapshot stub]add log 3
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9107677

Commits on Jan 31, 2026

[snapshot stub]fix snapshot for standby start
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46ac2de