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* Concurrency updates + fixes for compile errorsDouglas Rumbaugh2023-10-301-80/+81
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* Began moving to an explicit epoch-based systemDouglas Rumbaugh2023-10-231-91/+188
| | | | | | | I started moving over to an explicit Epoch based system, which has necessitated a ton of changes throughout the code base. This will ultimately allow for a much cleaner set of abstractions for managing concurrency.
* BugfixesDouglas Rumbaugh2023-10-231-1/+5
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* Initial pass w/ new scheduler setupDouglas Rumbaugh2023-10-201-70/+114
| | | | currently there's a race condition of some type to sort out.
* Re-structuring Project + scheduling updatesDouglas Rumbaugh2023-09-251-11/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a big one--probably should have split it apart, but I'm feeling lazy this morning. * Organized the mess of header files in include/framework by splitting them out into their own subdirectories, and renaming a few files to remove redundancies introduced by the directory structure. * Introduced a new framework/ShardRequirements.h header file for simpler shard development. This header simply contains the necessary includes from framework/* for creating shard files. This should help to remove structural dependencies from the framework file structure and shards, as well as centralizing the necessary framework files to make shard development easier. * Created a (currently dummy) SchedulerInterface, and make the scheduler implementation a template parameter of the dynamic extension for easier testing of various scheduling policies. There's still more work to be done to fully integrate the scheduler (queries, multiple buffers), but some more of the necessary framework code for this has been added as well. * Adjusted the Task interface setup for the scheduler. The task structures have been removed from ExtensionStructure and placed in their own header file. Additionally, I started experimenting with using std::variant, as opposed to inheritence, to implement subtype polymorphism on the Merge and Query tasks. The scheduler now has a general task queue that contains both, and std::variant, std::visit, and std::get are used to manipulate them without virtual functions. * Removed Alex.h, as it can't build anyway. There's a branch out there containing the Alex implementation stripped of the C++20 stuff. So there's no need to keep it here.
* The scheduler now spawns a seperate merge threadDouglas Rumbaugh2023-09-181-0/+5
| | | | | | | | | | | Merges are now executed from a seperate thread within the scheduler that wakes up via condition variables when new merge tasks are scheduled. In addition, tombstone limits are now enforced by the scheduler, with new merges being scheduled as needed. There are still a few tests failing, notably the zero tombstones in the last run invarient is not holding under tiering with tombstones. Need to look into that yet.
* General bugfixesDouglas Rumbaugh2023-09-181-1/+4
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* Began re-architecting the project for concurrency supportDouglas Rumbaugh2023-09-131-302/+70
| | | | | The project is now in a state where it builds, but it probably has a lot of bugs still.
* Migrated over to using psudb-common utilities/headersDouglas Rumbaugh2023-08-241-2/+2
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* Expanded query interfaceDouglas Rumbaugh2023-07-271-7/+34
| | | | | Query interface now enables skipping of delete processing and stopping query processing when first match is found.
* Added the parameter argument to query merge routineDouglas Rumbaugh2023-07-171-1/+1
| | | | | This is necessary for KNN, but it unused for all currently implemented query types.
* Fixed query errorsDouglas Rumbaugh2023-07-031-1/+1
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* Fixed bug(s) in tagging-based deletesDouglas B. Rumbaugh2023-06-091-1/+1
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* Build changes and interface cleanupDouglas B. Rumbaugh2023-06-091-5/+5
| | | | | | | | | | Renamed the get_record_cnt() functions to get_record_count() for consistency, dropped references to SSIs, and added openmp build flags for PGM related targets. Also adjusted dynamic_extension_tests.inc to fail when an erase fails during the static structure testing as part of debugging a delete cancellation problem under leveling.
* Interface adjustmentsDouglas Rumbaugh2023-06-071-32/+9
| | | | | | Layout and Delete Policies are now specified via template parameters, and rejection sampling has been removed as an argument to the mutable buffer constructor.
* Added a pre-query hook for processing statesDouglas Rumbaugh2023-06-071-1/+3
| | | | | This is used for setting up the query alias structure stuff for sampling queries.
* Framework query bugfixesDouglas Rumbaugh2023-05-291-1/+1
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* Framework-level query testing + fixesDouglas Rumbaugh2023-05-291-9/+11
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* Fixed InternalLevel memory leakDouglas Rumbaugh2023-05-291-8/+5
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* Adjusted the way that Wrapping records works to clean up interfacesDouglas Rumbaugh2023-05-291-21/+30
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* Tests and bugfixes for frameworkDouglas Rumbaugh2023-05-291-14/+16
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* More updates/restructuringDouglas Rumbaugh2023-05-221-21/+25
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* Progress towards generalization of shard interfaceDouglas Rumbaugh2023-05-221-264/+129
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* Started implementing shard interface (not finished yet)Douglas Rumbaugh2023-05-171-18/+23
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* Removed unncessary tagging paramter from shards and levelsDouglas Rumbaugh2023-05-171-8/+7
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* Record format generalizationDouglas Rumbaugh2023-05-151-39/+40
| | | | | Currently, tombstone counting is bugged. But the rest of it appears to be working.
* Header updateDouglas Rumbaugh2023-05-091-0/+9
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* Dynamic Extension unit tests + bugfixesDouglas Rumbaugh2023-05-091-14/+16
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* Initial port of DynamicExtension frameworkDouglas Rumbaugh2023-05-091-0/+633