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Introduce Snapshot Isolation OCC to DBTransaction #19

Merged
merged 25 commits into from
Jun 30, 2022
Merged

Introduce Snapshot Isolation OCC to DBTransaction #19

merged 25 commits into from
Jun 30, 2022

Commits on Jun 1, 2022

  1. Preparing for native leveldb build

    @CMCDragonkai
    CMCDragonkai committed Jun 1, 2022
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  2. Added leveldb native dependencies

    @CMCDragonkai
    CMCDragonkai committed Jun 1, 2022
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Commits on Jun 7, 2022

  1. Direct to C++ leveldb works

    @CMCDragonkai
    CMCDragonkai committed Jun 7, 2022
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Commits on Jun 10, 2022

  1. Switching over to rocksdb

    @CMCDragonkai
    CMCDragonkai committed Jun 10, 2022
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  2. Removed StringOrBufferLength check from rocksdb.cpp

    @CMCDragonkai
    CMCDragonkai committed Jun 10, 2022
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  3. Modularized rocksdb.cpp into a rocksdb/napi directory

    @CMCDragonkai
    CMCDragonkai committed Jun 10, 2022
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Commits on Jun 19, 2022

  1. Added infoLogLevel to RocksDBDatabaseOptions

    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  2. Added in basic transaction_* methods, and modularised `src/rocksdb/… 

    …napi/workers.cpp`
    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  3. Native addon exported functions now match naming convention standard … 

    …for JS
    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  4. Fixed Transaction* workers in C++ to instantiate the Transaction

    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  5. Lint fixing native C/C++ code

    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  6. Tested write-skew anomaly and solved with transactionGetForUpdate

    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  7. First class snapshots 

    * Applied snapshots to dbGet and dbMultiGet, changed dbGetMany to dbMultiGet
* Snapshots work with transactionGet and transactionGetForUpdate
* Testing repeatable read using snapshots
* Turns out snapshot lifecycle is controlled by the transaction, so no manual release
* Transactions now have their own priority work count
* Testing dbClose will automatically close of snapshots, iterators and transactions
    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  8. Transactions support iterators and refactoring C++ object lifecycle 

    * Enabled `NODE_DEBUG_NATIVE` runtime control of rocksdb logging
* Testing transaction iterator
    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  9. GC finalizers may run after env_cleanup_hook, so Detach methods can 

    be called when the detached target is already closed. So I've removed
the precondition of `Detach+` methods and `DecrementPendingWork` from
both `Database` and `Transaction` classes.
    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  10. Fix database->isClosing_ and Transaction::DecrementPendingWork should… 

    … be checking for `pendingWork_ == 1`
    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  11. Testing iterator consistency

    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  12. Adding transactionClear

    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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  13. Adding transactionMultiGet and transactionMultiGetForUpdate 

    * Fixed missing promisify for `transactionClear`
* Using `__func__` for log messages
* Namespacing C++ iterator workers
* Testing `transactionClear` with non-repeatable read
    @CMCDragonkai
    CMCDragonkai committed Jun 19, 2022
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Commits on Jun 26, 2022

  1. Re-enabled DBTransaction and integrated it with rocksdb's optimistic … 

    …transactions
    @CMCDragonkai
    CMCDragonkai committed Jun 26, 2022
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  2. Added DBTransaction.getForUpdate to address write skew, and added tes… 

    …t demonstrating race condition thrashing
    @CMCDragonkai
    CMCDragonkai committed Jun 26, 2022
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Commits on Jun 30, 2022

  1. Introducing PCC locking for DBTransaction

    @CMCDragonkai
    CMCDragonkai committed Jun 30, 2022
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  2. Export RocksDB and RocksDBP interfaces

    @CMCDragonkai
    CMCDragonkai committed Jun 30, 2022
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  3. Updated docs

    @CMCDragonkai
    CMCDragonkai committed Jun 30, 2022
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  4. Updated benchmarks

    @CMCDragonkai
    CMCDragonkai committed Jun 30, 2022
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