* init
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* add ReplicaSelector interface
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* add replica_selector_v2, todo: fix test
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* fix all test
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* fix test in another way to compatible with old version about stale-read request
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* tiny refactor
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* refactor to remove duplicate code
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* add more test
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* refine onServerIsBusy region error handing logic
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* support forwarding by proxy
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* support busyThreshold and tiny reractor code
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* add config
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* fix test
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* fix proxy bug
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* fix test and tiny refactor
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* add some test
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* add more test
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* tidy refine
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* address comment
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* fix test in v1
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* add backoff-cnt check and timeout test
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* refine test
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* refine code
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* refine code
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* add benchmark test
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* make test stale
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* fix golangci
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* add more test and refine code
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* fix race test
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* add more comprehensive enumeration testing
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* refine test
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* fix test
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* fix accessFollower with label retry bug
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* refine test and fix some bug
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* fix test and add more test
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* add more test
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* refine test
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* refine test
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* refine onNotLeader logic when new leader is not available
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* refine calculateScore logic, if the replica already tried, decrease the score
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* refine logic: replica-read request with mixed strategy and with label, should be able to retry all remain replicas
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* prefer-leader for mixed read with label for non stale-read req
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* add more test case
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* refine code
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* resolve conflict
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* remove some duplicate test
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* refactor test
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* refine code
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* refine test
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* add busy_threshold test and fix bug
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* fix proxy bug and add more test
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* refine code and add test
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* add learner test
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* add more test
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* remove old test and refine test
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* move test
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* address comment
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* use new score calculation by flag bit
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* make test stable
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* refine comment,license and fix lint
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* refine comment
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* refine comment
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* fix race test timeout
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* add flagNotAttemp in score
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* address comment
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---------
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* attach cluster id in kv requests
Signed-off-by: cfzjywxk <cfzjywxk@gmail.com>
* update go mod in integration test
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---------
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* replica-read request with mixed strategy and with label, should be able to retry all remain replicas
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* address comment
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---------
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* don't retry same replica twice in a round, but for stale read, we can retry DataIsNotReady replica by replica-read
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* remove duplicate test case
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* remove old duplicate test
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---------
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* refine onNotLeader logic when new leader is not available #1169
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* refine logic and add test
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* add more test case for ReplicaReadLeader with kv_read_timeout
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* add comment
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* fix leader has deadlineErr and retry it again issue, and add test for it
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* refine code and comment
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* region_cache: restrict access to store related fields
Signed-off-by: zyguan <zhongyangguan@gmail.com>
* fix a typo
Signed-off-by: zyguan <zhongyangguan@gmail.com>
* resolve a todo
Signed-off-by: zyguan <zhongyangguan@gmail.com>
* resolve an another todo
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* limit the use of store api
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---------
Signed-off-by: zyguan <zhongyangguan@gmail.com>
Co-authored-by: cfzjywxk <lsswxrxr@163.com>
zyguan