feat: register & deregister region failure detectors actively #4223
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Actionable comments posted: 5
Outside diff range and nitpick comments (1)
src/meta-srv/src/procedure/region_migration.rs (1)
Line range hint
158-203: Assess the impact of the failure detector on region migration logic.The integration of the
region_failure_detector_controllerinto the region migration logic is a significant change. It is essential to conduct thorough testing, particularly integration tests, to ensure that the failure detection mechanisms do not adversely affect the migration processes.Would you like help in setting up the integration tests or reviewing the existing test scenarios to ensure comprehensive coverage?
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Files selected for processing (22)
- src/cmd/src/standalone.rs (2 hunks)
- src/common/meta/src/ddl.rs (4 hunks)
- src/common/meta/src/ddl/create_table.rs (1 hunks)
- src/common/meta/src/ddl/drop_database.rs (4 hunks)
- src/common/meta/src/ddl/drop_database/cursor.rs (3 hunks)
- src/common/meta/src/ddl/drop_database/executor.rs (7 hunks)
- src/common/meta/src/ddl/drop_database/metadata.rs (2 hunks)
- src/common/meta/src/ddl/drop_database/start.rs (3 hunks)
- src/common/meta/src/ddl/drop_table.rs (1 hunks)
- src/common/meta/src/ddl/drop_table/executor.rs (7 hunks)
- src/common/meta/src/ddl_manager.rs (2 hunks)
- src/common/meta/src/test_util.rs (2 hunks)
- src/meta-srv/src/failure_detector.rs (4 hunks)
- src/meta-srv/src/handler/failure_handler.rs (2 hunks)
- src/meta-srv/src/metasrv/builder.rs (4 hunks)
- src/meta-srv/src/procedure/region_migration.rs (4 hunks)
- src/meta-srv/src/procedure/region_migration/test_util.rs (2 hunks)
- src/meta-srv/src/procedure/region_migration/update_metadata/rollback_downgraded_region.rs (5 hunks)
- src/meta-srv/src/procedure/utils.rs (2 hunks)
- src/meta-srv/src/region/failure_detector.rs (2 hunks)
- src/meta-srv/src/region/supervisor.rs (13 hunks)
- tests-integration/src/standalone.rs (2 hunks)
Files not reviewed due to errors (1)
- src/meta-srv/src/procedure/region_migration/update_metadata/rollback_downgraded_region.rs (no review received)
Additional comments not posted (34)
src/meta-srv/src/handler/failure_handler.rs (2)
29-32: Constructor updated to includeHeartbeatAcceptor.The addition of
HeartbeatAcceptoras a parameter in the constructor is aligned with the PR's goal to enhance failure detection. Ensure that all instances ofRegionFailureHandlercreation are updated accordingly.
76-82: Updated test method to includeHeartbeatAcceptor.The test method
test_handle_heartbeatnow properly initializesHeartbeatAcceptor, which is crucial for testing the new functionality. Ensure the rest of the test suite is similarly updated to cover all new changes.src/meta-srv/src/region/failure_detector.rs (2)
54-54: Methodregion_failure_detectorcorrectly handlesIdent.This method efficiently handles the retrieval or creation of
PhiAccrualFailureDetectorinstances, ensuring that failure detection can be dynamically managed for eachIdent.
64-76: Methodmaybe_init_region_failure_detectorefficiently handles initialization.This method correctly initializes a
PhiAccrualFailure Detectorwith a timestamp, which is crucial for accurate failure detection based on recent activity.src/common/meta/src/ddl/drop_database/start.rs (1)
92-92: Proper initialization ofcluster_idinDropDatabaseContext.The
cluster_idfield is consistently initialized across different test scenarios. Ensure that the actual usage ofcluster_idin production scenarios is similarly consistent and correct.Also applies to: 108-108, 131-131
src/common/meta/src/ddl/drop_database/metadata.rs (1)
121-121: Proper initialization ofcluster_idinDropDatabaseContext.The
cluster_idfield is consistently initialized across different test scenarios. Ensure that the actual usage ofcluster_idin production scenarios is similarly consistent and correct.Also applies to: 148-148
src/common/meta/src/ddl.rs (1)
105-125: Introduction ofRegionFailureDetectorControllerand its no-op implementation.The new trait
RegionFailureDetectorControllerand its no-operation implementationNoopRegionFailureDetectorControlare well-defined. They provide a clear interface for failure detection management, enhancing the system's modularity and extensibility.src/common/meta/src/ddl/drop_database.rs (1)
38-38: Ensure appropriate imports forClusterId.The file now uses
ClusterId, but it's unclear if it's properly imported. This could potentially lead to compilation errors if not handled correctly.Verification successful
The import of
ClusterIdis correctly handled.The
ClusterIdtype is defined within the crate as a type alias foru64, ensuring that the import statementuse crate::ClusterId;insrc/common/meta/src/ddl/drop_database.rsis appropriate and will not cause any compilation issues.
src/common/meta/src/lib.rs:pub type ClusterId = u64;Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify if `ClusterId` is imported in the file. # Test: Search for the import statement for `ClusterId`. rg --type rust 'use crate::ClusterId;' src/common/meta/src/ddl/drop_database.rsLength of output: 103
Script:
#!/bin/bash # Description: Verify if `ClusterId` is defined within the crate. # Test: Search for the definition of `ClusterId` within the crate. ast-grep --lang rust --pattern 'struct ClusterId { $$$ }'Length of output: 59
Script:
#!/bin/bash # Description: Verify if `ClusterId` is defined within the crate. # Test: Search for any definition of `ClusterId` within the crate. rg --type rust 'ClusterId'Length of output: 10475
src/common/meta/src/test_util.rs (2)
27-27: Addition ofNoopRegionFailureDetectorControlfor testing purposes.The introduction of
NoopRegionFailureDetectorControlin the testing utilities is appropriate for simulating behavior without actual side effects. Ensure that this aligns with the testing strategies and that it is used consistently across tests.
185-185: Usage ofNoopRegionFailureDetectorControlinnew_ddl_context.This ensures that the testing environment simulates the failure detection mechanism without performing real operations, which is crucial for unit tests that don't require actual side effects.
src/meta-srv/src/procedure/utils.rs (2)
117-117: Addition ofNoopRegionFailureDetectorControlin procedural utilities.The inclusion of
NoopRegionFailureDetectorControlin procedural utilities is vital for testing and simulating procedural operations without real side effects. This is particularly important for unit tests and integration tests where actual failure detection is not required.
229-229: Consistent use ofNoopRegionFailureDetectorControlinnew_ddl_context.The consistent use of
NoopRegionFailureDetectorControlacross different utility functions ensures that the testing environment is uniform and predictable, which is crucial for reliable testing outcomes.
[APROVED]tests-integration/src/standalone.rs (2)
26-26: Inclusion ofNoopRegionFailureDetectorControlin integration tests.The use of
NoopRegionFailureDetectorControlin integration tests is appropriate for simulating the behavior of the region failure detection without actual network or hardware interaction, which is crucial for isolating tests from external dependencies.
202-202: Proper integration ofNoopRegionFailureDetectorControlinDdlContext.This ensures that the integration tests simulate the region failure detection mechanism accurately without performing real operations, which is essential for testing in a controlled environment.
src/common/meta/src/ddl/drop_table.rs (1)
282-282: Ensure consistent usage ofcluster_idacross related methods.The addition of
cluster_idto theDropTableExecutorconstructor is consistent with the changes made in other parts of the system to enhance region failure handling. Confirm thatcluster_idis being used appropriately within theDropTableExecutormethods to manage region-specific operations effectively.Verification successful
Ensure consistent usage of
cluster_idacross related methods.The
cluster_idis consistently used in theDropTableExecutorconstructor and within a method to manage region-specific operations. The usage appears to be appropriate for the intended functionality.
DropTableExecutorconstructor: Initializescluster_id.- Method usage: Utilizes
self.cluster_idin region-related operations.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify consistent usage of `cluster_id` in related methods. # Test: Search for `cluster_id` usage in `DropTableExecutor` methods. Expect: Consistent and correct usage. rg --type rust --context 5 $'cluster_id' src/common/meta/src/ddl/drop_table/executor.rsLength of output: 1090
Script:
#!/bin/bash # Description: Verify consistent usage of `cluster_id` in all methods of `DropTableExecutor`. # Step 1: List all methods within the `DropTableExecutor` implementation. ast-grep --lang rust --pattern 'impl DropTableExecutor { $$$ }' src/common/meta/src/ddl/drop_table/executor.rs # Step 2: Check for `cluster_id` usage within each method of `DropTableExecutor`. rg --type rust 'impl DropTableExecutor' -A 1000 src/common/meta/src/ddl/drop_table/executor.rs | rg 'fn ' | sed 's/^/rg cluster_id -A 5 -B 5 /' | bashLength of output: 15703
Script:
#!/bin/bash # Description: Verify consistent usage of `cluster_id` in all methods of `DropTableExecutor`. # Step 1: List all methods within the `DropTableExecutor` implementation. ast-grep --lang rust --pattern 'impl DropTableExecutor { $$$ }' src/common/meta/src/ddl/drop_table/executor.rs # Step 2: Check for `cluster_id` usage within each method of `DropTableExecutor`. rg --type rust 'impl DropTableExecutor' -A 1000 src/common/meta/src/ddl/drop_table/executor.rs | rg 'fn ' | awk '{print $2}' | xargs -I {} rg 'cluster_id' -A 5 -B 5 src/common/meta/src/ddl/drop_table/executor.rs | grep -B 5 -A 5 -E 'fn {}'Length of output: 15713
Script:
#!/bin/bash # Description: Verify consistent usage of `cluster_id` in all methods of `DropTableExecutor`. # Search for `cluster_id` within the `DropTableExecutor` implementation block. rg 'impl DropTableExecutor' -A 1000 src/common/meta/src/ddl/drop_table/executor.rs | rg 'cluster_id' -A 5 -B 5Length of output: 1111
src/common/meta/src/ddl/drop_table/executor.rs (1)
54-59: Proper integration ofcluster_idinDropTableExecutor.The addition of
cluster_idto theDropTableExecutorconstructor is correctly implemented. Ensure thatcluster_idis utilized effectively within the executor's methods to manage cluster-specific operations.Verification successful
Proper integration of
cluster_idinDropTableExecutor.The addition of
cluster_idto theDropTableExecutorconstructor is correctly implemented and effectively used within its methods.
DropTableExecutorconstructor initializescluster_idproperly.cluster_idis utilized in a method that processes region leaders.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the effective usage of `cluster_id` within `DropTableExecutor` methods. # Test: Search for `cluster_id` usage in `DropTableExecutor` methods. Expect: Effective and correct usage. rg --type rust --context 5 $'cluster_id' src/common/meta/src/ddl/drop_table/executor.rsLength of output: 1090
src/common/meta/src/ddl/drop_database/executor.rs (1)
190-190: Consistency check forcluster_iddefault value inDropDatabaseContext.The repeated initialization of
DropDatabaseContextwith a defaultcluster_idof 0 across multiple methods raises concerns about the appropriateness of this default value. Ensure thatcluster_idis set dynamically based on operational requirements or a meaningful default is provided.Also applies to: 203-203, 257-257, 347-347, 377-377
src/common/meta/src/ddl/create_table.rs (1)
293-296: Add logging for failure detector registration.Consider adding a log statement after registering the failure detectors to improve traceability and help in debugging.
+ info!("Registered failure detectors for table {table_id} with identifiers {ident:?}"); self.context .region_failure_detector_controller .register_failure_detectors(ident) .await;src/meta-srv/src/metasrv/builder.rs (3)
25-27: Check usage of newly imported modules.The imports
NoopRegionFailureDetectorControlandRegionFailureDetectorControllerRefare part of the new failure detection mechanism. Ensure that these are utilized effectively in the server initialization and configuration.
290-311: Ensure correct conditional logic for failure detection setup.The conditional setup for the
region_failure_detector_controllerandregion_supervisor_tickeris crucial for the correct functioning of the failure detection mechanism. Make sure that the conditions (options.enable_region_failoverandis_remote_wal) and their implications are correctly implemented and tested.- if !is_remote_wal && options.enable_region_failover { + if options.enable_region_failover && !is_remote_wal { return error::UnexpectedSnafu { violated: "Region failover is not supported in the local WAL implementation!", } .fail(); }Verification successful
Conditional logic for failure detection setup is correctly implemented.
The condition
if !is_remote_wal && options.enable_region_failoveris present and correctly handles the scenario where region failover is not supported in the local WAL implementation.
src/meta-srv/src/metasrv/builder.rs: Line 290Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the conditional logic in failure detection setup. # Test: Check if the conditions are correctly implemented. rg --type rust $'if options.enable_region_failover && !is_remote_wal'Length of output: 70
Script:
#!/bin/bash # Description: Verify the usage of `is_remote_wal` and `options.enable_region_failover` in the codebase. # Search for the presence and usage of `is_remote_wal` in the codebase. rg --type rust 'is_remote_wal' # Search for the presence and usage of `options.enable_region_failover` in the codebase. rg --type rust 'options.enable_region_failover'Length of output: 920
Line range hint
325-355: Validate final server assembly in theMetasrvBuilderbuild method.The final assembly of the
Metasrvobject involves integrating various components such asregion_failure_detector_controller,region_migration_manager, and others. Ensure that all components are correctly initialized and integrated, and that the configuration options are respected throughout the process.src/meta-srv/src/failure_detector.rs (1)
Line range hint
18-88: Review enhancements toPhiAccrualFailureDetector.The enhancements to the
PhiAccrualFailureDetector, including new traits (Debug,Clone,PartialEq) and configuration options (PhiAccrualFailureDetectorOptions), are crucial for the flexibility and testability of the failure detection mechanism. Ensure that these enhancements are correctly implemented and that they integrate seamlessly with the existing logic.src/meta-srv/src/procedure/region_migration/test_util.rs (2)
23-23: Added import of NoopRegionFailureDetectorControl.This import is essential for the new testing environment setup that includes the failure detector control. Ensure that this class is appropriately utilized within the test suites to simulate the behavior of the region failure detectors.
154-154: Integration of NoopRegionFailureDetectorControl into the TestingEnv context factory.The integration of
NoopRegionFailureDetectorControlinto thecontext_factorymethod is crucial for ensuring that the region failure detection mechanism is appropriately simulated during testing. This change helps maintain the fidelity of the test environment relative to the production environment where such detectors are active.src/meta-srv/src/region/supervisor.rs (4)
19-19: Import of RegionFailureDetectorController.The import of
RegionFailureDetectorControlleris critical for the new functionality that allows dynamic management of region failure detectors. This aligns with the PR's objectives of enhancing the system's reliability and fault tolerance.
79-110: Addition of new Event variants for failure detector management.The introduction of
RegisterFailureDetectorsandDeregisterFailureDetectorsas new event types in theEventenum is a significant enhancement. These events facilitate the dynamic management of failure detectors, which is central to the functionality introduced in this PR. Ensure that these events are handled appropriately in the system's event loop to maintain robustness.
133-139: Initialization of RegionSupervisorTicker.The setup of
RegionSupervisorTickerwith a configurable tick interval is a good practice, allowing for flexibility in how frequently the system checks for region failures. This setup is crucial for maintaining the system's responsiveness to failure conditions.
307-320: Methods for registering and deregistering failure detectors in RegionSupervisor.These methods are crucial for managing the state of region failure detectors dynamically. The implementation is straightforward and aligns with the system's requirements for handling region failures proactively.
src/cmd/src/standalone.rs (1)
28-28: Approved import of failure detector related entities.The import of
DdlContext,NoopRegionFailureDetectorControl, andProcedureExecutorRefaligns with the PR's goal to enhance region failure detection capabilities.src/common/meta/src/ddl_manager.rs (1)
Line range hint
808-859: Approved the import and initialization ofNoopRegionFailureDetectorControlThe import and initialization of
NoopRegionFailureDetectorControlin the test setup are correctly handled. This ensures that the new region failure detection feature can be adequately tested.src/meta-srv/src/procedure/region_migration.rs (4)
158-158: Integration ofregion_failure_detector_controllerin structs and methods.The
region_failure_detector_controlleris added to multiple structs (DefaultContextFactory,Context) and is used in method implementations. Ensure that this integration does not interfere with existing functionalities and adheres to the intended use cases for region failure management.Also applies to: 164-164, 168-168, 176-176, 190-190, 203-203
158-176: Proper initialization ofregion_failure_detector_controller.The initialization in
DefaultContextFactoryappears correct. It is important to ensure that theregion_failure_detector_controlleris properly passed to each new context created, maintaining thread safety and consistency.
32-32: Ensure appropriate usage of importedRegionFailureDetectorControllerRef.It's crucial to verify that the imported
RegionFailureDetectorControllerRefis used correctly throughout the file. This is part of the new mechanism to actively manage region failure detection.
190-190: Verify the propagation ofregion_failure_detector_controllerin context creation.The
region_failure_detector_controlleris cloned and passed to theContextstruct in thenew_contextmethod. This is crucial for ensuring that each context has its own reference to the controller, which is necessary for correct failure detection operations.Also applies to: 203-203
Verification successful
The
region_failure_detector_controlleris correctly cloned and propagated in thenew_contextmethod.The
new_contextmethod insrc/meta-srv/src/procedure/region_migration.rscorrectly clones theregion_failure_detector_controllerand passes it to theContextstruct, ensuring that each context has its own reference to the controller.
- Verified at:
src/meta-srv/src/procedure/region_migration.rs:190Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the correct propagation and cloning of `region_failure_detector_controller` in context creation. # Test: Search for the `new_context` method calls and verify the propagation of the controller. rg --type rust $'new_context'Length of output: 7604
Script:
#!/bin/bash # Description: Extract the implementation of the `new_context` method to verify the propagation and cloning of `region_failure_detector_controller`. # Find the implementation of `new_context` method. ast-grep --lang rust --pattern 'fn new_context($_, $_) -> $_ { $$$ }' src/meta-srv/src/procedure/region_migration.rsLength of output: 1164
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Files selected for processing (14)
- src/common/meta/src/ddl/create_table.rs (1 hunks)
- src/common/meta/src/ddl/drop_database.rs (4 hunks)
- src/common/meta/src/ddl/drop_database/cursor.rs (3 hunks)
- src/common/meta/src/ddl/drop_database/executor.rs (7 hunks)
- src/common/meta/src/ddl/drop_database/metadata.rs (2 hunks)
- src/common/meta/src/ddl/drop_database/start.rs (3 hunks)
- src/common/meta/src/ddl/drop_table.rs (1 hunks)
- src/common/meta/src/ddl/drop_table/executor.rs (7 hunks)
- src/meta-srv/src/handler/failure_handler.rs (2 hunks)
- src/meta-srv/src/metasrv/builder.rs (4 hunks)
- src/meta-srv/src/procedure/region_migration.rs (4 hunks)
- src/meta-srv/src/procedure/region_migration/test_util.rs (2 hunks)
- src/meta-srv/src/procedure/region_migration/update_metadata/rollback_downgraded_region.rs (5 hunks)
- src/meta-srv/src/region/supervisor.rs (13 hunks)
Files skipped from review as they are similar to previous changes (13)
- src/common/meta/src/ddl/create_table.rs
- src/common/meta/src/ddl/drop_database.rs
- src/common/meta/src/ddl/drop_database/cursor.rs
- src/common/meta/src/ddl/drop_database/executor.rs
- src/common/meta/src/ddl/drop_database/metadata.rs
- src/common/meta/src/ddl/drop_database/start.rs
- src/common/meta/src/ddl/drop_table.rs
- src/common/meta/src/ddl/drop_table/executor.rs
- src/meta-srv/src/handler/failure_handler.rs
- src/meta-srv/src/metasrv/builder.rs
- src/meta-srv/src/procedure/region_migration.rs
- src/meta-srv/src/procedure/region_migration/test_util.rs
- src/meta-srv/src/procedure/region_migration/update_metadata/rollback_downgraded_region.rs
Additional comments not posted (7)
src/meta-srv/src/region/supervisor.rs (7)
Line range hint
19-39: Ensure appropriate use of newly added imports and declarations.The imports and global declarations related to
RegionFailureDetectorControllerand related entities are correctly added. These are necessary for the new functionality around region failure detection. Ensure these are used consistently throughout the file.
39-39: Review theDatanodeHeartbeatstruct.The
DatanodeHeartbeatstruct is well-defined and includes necessary fields for handling heartbeats. This struct will play a critical role in the new failure detection mechanism by providing timely data from data nodes.
79-110: Ensure correct integration of new events in theEventenum.The addition of
RegisterFailureDetectorsandDeregisterFailureDetectorsto theEventenum is crucial for the dynamic management of failure detectors. Ensure that these events are handled appropriately in all relevant parts of the system to maintain robustness.
[APROVED]
133-140: Review modifications in theRegionSupervisorTickerstruct.The modifications to
RegionSupervisorTickerare appropriate and support the new functionality of handling tick events for failure detection. Ensure that the implementation does not introduce any performance bottlenecks or race conditions.
249-252: Review theHeartbeatAcceptorimplementation.The
HeartbeatAcceptoris correctly implemented to forward heartbeat signals. Ensure that this implementation is efficient and error-resistant, particularly in high-load scenarios.
290-295: Ensure robust handling of failure detector events in the main loop.The handling of
RegisterFailureDetectorsandDeregisterFailureDetectorsevents in the main loop ofRegionSupervisoris crucial for dynamic failure management. Ensure that these events are processed efficiently and correctly.
Line range hint
456-622: Review the test implementations forRegionSupervisor.The tests appear to be comprehensive and effectively simulate various scenarios related to region failure detection. Ensure that all new functionalities are covered by the tests to prevent regressions.
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #4223 +/- ##
==========================================
- Coverage 84.86% 84.59% -0.28%
==========================================
Files 1045 1046 +1
Lines 184265 184597 +332
==========================================
- Hits 156384 156158 -226
- Misses 27881 28439 +558 |
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Files selected for processing (2)
- config/config.md (1 hunks)
- config/metasrv.example.toml (1 hunks)
Files skipped from review as they are similar to previous changes (1)
- config/metasrv.example.toml
Additional context used
LanguageTool
config/config.md
[uncategorized] ~31-~31: It appears that a hyphen is missing (if ‘auto’ is not used in the context of ‘cars’).
Context: ...for Certificate and key file change and auto reload.
For now, gRPC tls config does not ...(AUTO_HYPHEN)
[uncategorized] ~31-~31: It appears that a hyphen is missing (if ‘auto’ is not used in the context of ‘cars’).
Context: ...r now, gRPC tls config does not support auto reload. | |mysql| -- | -- | MySQL server o...(AUTO_HYPHEN)
[uncategorized] ~40-~40: It appears that a hyphen is missing (if ‘auto’ is not used in the context of ‘cars’).
Context: ...for Certificate and key file change and auto reload | |postgres| -- | -- | PostgresSQL ...(AUTO_HYPHEN)
[uncategorized] ~49-~49: It appears that a hyphen is missing (if ‘auto’ is not used in the context of ‘cars’).
Context: ...for Certificate and key file change and auto reload | |opentsdb| -- | -- | OpenTSDB pro...(AUTO_HYPHEN)
[grammar] ~93-~93: “Google” is a proper noun and needs to be capitalized.
Context: ...e| String |None` | The scope of the google cloud storage.
**It's only used whe...(A_GOOGLE)
[grammar] ~94-~94: “Google” is a proper noun and needs to be capitalized.
Context: ...g |None| The credential path of the google cloud storage.
**It's only used whe...(A_GOOGLE)
[style] ~134-~134: To form a complete sentence, be sure to include a subject.
Context: ...vel| String |None| The log level. Can beinfo/debug/warn/error. | |...(MISSING_IT_THERE)
[grammar] ~143-~143: Consider using either the past participle “recommended” or the present participle “recommending” here.
Context: ...Forstandalonemode,self_importis recommend to collect metrics generated by itself ...(BEEN_PART_AGREEMENT)
[uncategorized] ~179-~179: It appears that a hyphen is missing (if ‘auto’ is not used in the context of ‘cars’).
Context: ...for Certificate and key file change and auto reload.
For now, gRPC tls config does not ...(AUTO_HYPHEN)
[uncategorized] ~179-~179: It appears that a hyphen is missing (if ‘auto’ is not used in the context of ‘cars’).
Context: ...r now, gRPC tls config does not support auto reload. | |mysql| -- | -- | MySQL server o...(AUTO_HYPHEN)
[uncategorized] ~188-~188: It appears that a hyphen is missing (if ‘auto’ is not used in the context of ‘cars’).
Context: ...for Certificate and key file change and auto reload | |postgres| -- | -- | PostgresSQL ...(AUTO_HYPHEN)
[uncategorized] ~197-~197: It appears that a hyphen is missing (if ‘auto’ is not used in the context of ‘cars’).
Context: ...for Certificate and key file change and auto reload | |opentsdb| -- | -- | OpenTSDB pro...(AUTO_HYPHEN)
[style] ~221-~221: To form a complete sentence, be sure to include a subject.
Context: ...vel| String |None| The log level. Can beinfo/debug/warn/error. | |...(MISSING_IT_THERE)
[grammar] ~230-~230: Consider using either the past participle “recommended” or the present participle “recommending” here.
Context: ...Forstandalonemode,self_importis recommend to collect metrics generated by itself ...(BEEN_PART_AGREEMENT)
[style] ~283-~283: To form a complete sentence, be sure to include a subject.
Context: ...vel| String |None| The log level. Can beinfo/debug/warn/error. | |...(MISSING_IT_THERE)
[grammar] ~292-~292: Consider using either the past participle “recommended” or the present participle “recommending” here.
Context: ...Forstandalonemode,self_importis recommend to collect metrics generated by itself ...(BEEN_PART_AGREEMENT)
[uncategorized] ~326-~326: It appears that a hyphen is missing (if ‘auto’ is not used in the context of ‘cars’).
Context: ...for Certificate and key file change and auto reload.
For now, gRPC tls config does not ...(AUTO_HYPHEN)
[uncategorized] ~326-~326: It appears that a hyphen is missing (if ‘auto’ is not used in the context of ‘cars’).
Context: ...r now, gRPC tls config does not support auto reload. | |runtime| -- | -- | The runtime ...(AUTO_HYPHEN)
[grammar] ~374-~374: “Google” is a proper noun and needs to be capitalized.
Context: ...e| String |None` | The scope of the google cloud storage.
**It's only used whe...(A_GOOGLE)
[grammar] ~375-~375: “Google” is a proper noun and needs to be capitalized.
Context: ...g |None| The credential path of the google cloud storage.
**It's only used whe...(A_GOOGLE)
[style] ~415-~415: To form a complete sentence, be sure to include a subject.
Context: ...vel| String |None| The log level. Can beinfo/debug/warn/error. | |...(MISSING_IT_THERE)
[grammar] ~424-~424: Consider using either the past participle “recommended” or the present participle “recommending” here.
Context: ...Forstandalonemode,self_importis recommend to collect metrics generated by itself ...(BEEN_PART_AGREEMENT)
Markdownlint
config/config.md
5-5: Expected: 2; Actual: 4
Unordered list indentation(MD007, ul-indent)
6-6: Expected: 2; Actual: 4
Unordered list indentation(MD007, ul-indent)
7-7: Expected: 2; Actual: 4
Unordered list indentation(MD007, ul-indent)
151-151: Expected: 1; Actual: 2
Multiple consecutive blank lines(MD012, no-multiple-blanks)
238-238: Expected: 1; Actual: 2
Multiple consecutive blank lines(MD012, no-multiple-blanks)
300-300: Expected: 1; Actual: 2
Multiple consecutive blank lines(MD012, no-multiple-blanks)
37-37: null
Bare URL used(MD034, no-bare-urls)
185-185: null
Bare URL used(MD034, no-bare-urls)
247-247: null
Bare URL used(MD034, no-bare-urls)
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config/config.md (1)
262-262: Updated Heartbeat Pause ConfigurationThe
acceptable_heartbeat_pausesetting was increased from3000msto10000ms. This change should help in environments with variable network conditions but might delay the detection of node failures. It's crucial to monitor the effects of this change on the system's ability to detect and respond to failures in a timely manner.
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- src/common/meta/src/ddl.rs (4 hunks)
- src/common/meta/src/ddl/create_table.rs (1 hunks)
- src/common/meta/src/ddl/drop_table/executor.rs (7 hunks)
- src/meta-srv/src/procedure/region_migration/update_metadata/rollback_downgraded_region.rs (5 hunks)
Files skipped from review as they are similar to previous changes (3)
- src/common/meta/src/ddl/create_table.rs
- src/common/meta/src/ddl/drop_table/executor.rs
- src/meta-srv/src/procedure/region_migration/update_metadata/rollback_downgraded_region.rs
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src/common/meta/src/ddl.rs (2)
149-150: Addition ofregion_failure_detector_controllerinDdlContext.The addition of
region_failure_detector_controllertoDdlContextaligns with the PR's objective to enhance region failure detection. This change integrates the newly defined controller into the system context, allowing for broader access and management within DDL operations. Ensure that all usages ofDdlContextcorrectly initialize this new field.
105-129: Review of theRegionFailureDetectorControllerinterface and itsNoopRegionFailureDetectorControlimplementation.
- Interface Definition (Lines 107-117): The interface and its methods are well-defined for async operations. The method parameters use tuples, which align with previous suggestions by
fengjiachun. However, detailed Rustdoc comments are needed to explain the parameters and expected behavior.- Noop Implementation (Lines 119-128): The noop implementation is clear and adheres to the async trait. It correctly implements the interface with no operations, which is typical for a noop pattern. Ensure that this implementation is only used where appropriate, as it effectively disables failure detection.
: The method signatures match the suggestions by
fengjiachun.Would you like me to add detailed Rustdoc comments to these methods?
|
@fengjiachun PTAL |
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Tip For best results, initiate chat on the files or code changes. @fengjiachun Hi! How can I assist you today? |
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- src/meta-srv/src/procedure/region_migration.rs (4 hunks)
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- src/meta-srv/src/procedure/region_migration.rs
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- src/common/meta/src/ddl/create_table.rs (1 hunks)
- src/common/meta/src/ddl/drop_table/executor.rs (7 hunks)
Files skipped from review as they are similar to previous changes (2)
- src/common/meta/src/ddl/create_table.rs
- src/common/meta/src/ddl/drop_table/executor.rs
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- tests-fuzz/targets/failover/fuzz_failover_mito_regions.rs (2 hunks)
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tests-fuzz/targets/failover/fuzz_failover_mito_regions.rs (3)
267-267: Reduced parallelism in fuzz tests.The parallelism setting has been reduced from 8 to 4. While this might stabilize the tests, consider verifying if it still effectively uncovers concurrency-related issues.
87-87: Reduced range for row generation in fuzz tests.The maximum limit for rows has been halved from 4096 to 2048. This reduction could make the tests less stressful and more focused, but it's important to ensure that it still meets the testing requirements for edge cases.
89-89: Reduced range for insert generation in fuzz tests.The maximum limit for inserts has been reduced from 16 to 8. This change might focus the testing on more typical scenarios, but ensure it still adequately tests the system's handling of multiple concurrent inserts.
Yes, tests will be introduced in following PRs |
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Files selected for processing (8)
- src/common/meta/src/ddl.rs (4 hunks)
- src/common/meta/src/ddl/create_table.rs (2 hunks)
- src/common/meta/src/ddl/drop_table/executor.rs (7 hunks)
- src/common/meta/src/ddl/utils.rs (2 hunks)
- src/meta-srv/src/procedure/region_migration.rs (5 hunks)
- src/meta-srv/src/procedure/region_migration/update_metadata/rollback_downgraded_region.rs (5 hunks)
- src/meta-srv/src/region/failure_detector.rs (5 hunks)
- src/meta-srv/src/region/supervisor.rs (12 hunks)
Files skipped from review as they are similar to previous changes (7)
- src/common/meta/src/ddl.rs
- src/common/meta/src/ddl/create_table.rs
- src/common/meta/src/ddl/drop_table/executor.rs
- src/meta-srv/src/procedure/region_migration.rs
- src/meta-srv/src/procedure/region_migration/update_metadata/rollback_downgraded_region.rs
- src/meta-srv/src/region/failure_detector.rs
- src/meta-srv/src/region/supervisor.rs
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src/common/meta/src/ddl/utils.rs (1)
134-147: Validate the new utility function for converting region routes.The new function
convert_region_routes_to_detecting_regionscorrectly mapsRegionRouteobjects toDetectingRegiontuples. This is crucial for the new failure detection features. However, ensure that all callers handle the output correctly, especially regarding empty or null leader peers.
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- src/meta-srv/src/metasrv/builder.rs (4 hunks)
- src/meta-srv/src/region/supervisor.rs (12 hunks)
Files skipped from review as they are similar to previous changes (1)
- src/meta-srv/src/region/supervisor.rs
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src/meta-srv/src/metasrv/builder.rs (2)
25-27: Approved import changes for region failure detection.The newly imported
NoopRegionFailureDetectorControlandRegionFailureDetectorControllerRefare crucial for the enhancements related to region failure detection as described in the PR. Ensure these are integrated and utilized correctly in the subsequent code.
290-311: Refine error handling and verify logical conditions for region failure detection setup.The conditional logic for setting up the region failure detectors seems appropriate. However, consider using a more descriptive error type or message than
UnexpectedSnafuto clarify the specific conditions under which the error occurs.- return error::UnexpectedSnafu { - violated: "Region failover is not supported in the local WAL implementation!", - } - .fail(); + return Err(MetasrvError::ConfigurationError { + message: "Region failover requires a remote WAL setup. Please configure your WAL settings appropriately.", + });Ensure the conditions
is_remote_walandenable_region_failoverare documented and clearly explained in the system configuration or setup documentation.
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Files selected for processing (5)
- src/common/meta/src/ddl.rs (4 hunks)
- src/common/meta/src/ddl/drop_table/executor.rs (7 hunks)
- src/meta-srv/src/procedure/region_migration/update_metadata/rollback_downgraded_region.rs (5 hunks)
- src/meta-srv/src/region/failure_detector.rs (4 hunks)
- src/meta-srv/src/region/supervisor.rs (13 hunks)
Files skipped from review as they are similar to previous changes (3)
- src/common/meta/src/ddl/drop_table/executor.rs
- src/meta-srv/src/procedure/region_migration/update_metadata/rollback_downgraded_region.rs
- src/meta-srv/src/region/failure_detector.rs
Additional comments not posted (6)
src/common/meta/src/ddl.rs (3)
19-19: Imports are appropriate and well-organized.These imports are necessary for the new functionality related to region failure detection and handling.
Also applies to: 33-33
151-153: Integration of failure detection into DDL operations is well executed.The addition of
region_failure_detector_controllerinDdlContextstruct allows for seamless integration of the new failure detection functionality.
160-164: Effective management of failure detectors through new methods inDdlContext.The methods
register_failure_detectorsandderegister_failure_detectorsare well-implemented, providing essential functionality for managing region failure detectors dynamically.Also applies to: 170-174
src/meta-srv/src/region/supervisor.rs (3)
19-19: Imports are correctly updated to support new functionality.The imports are necessary for the new event types and failure detector management functionality introduced in this file.
79-80: New event types for failure detectors are well-designed and implemented.The addition of
RegisterFailureDetectorsandDeregisterFailureDetectorsevent types allows for effective asynchronous management of failure detectors, enhancing the system's resilience and adaptability.Also applies to: 103-110
310-323: Effective event handling for failure detectors inRegionSupervisor.The methods
register_failure_detectorsandderegister_failure_detectorsare correctly implemented to handle respective events, ensuring robust management of region failure detectors.
I hereby agree to the terms of the GreptimeDB CLA.
Refer to a related PR or issue link (optional)
#4161
What's changed and what's your intention?
Checklist
Summary by CodeRabbit
New Features
Improvements
Configuration
acceptable_heartbeat_pausevalue from"3000ms"to"10000ms"for better failure detection timing.Tests