| Commit message (Collapse) | Author | Age |
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Summary:
Depends on D14099
Notes:
- Tests pass without many modifications outside of resultset.cpp/.h
- `mGenerator` doesn't seem to be used?
Benchmarks
=========
Run benchmarks:
| Develop | D14099 | This patch |
| ---------------------------------- | ---------------------------------- | ---------------------------------- |
| Current Rss usage [kb]: 40700 | Current Rss usage [kb]: 38564 | Current Rss usage [kb]: 39112 |
| Peak Rss usage [kb]: 40700 | Peak Rss usage [kb]: 38564 | Peak Rss usage [kb]: 39112 |
| Rss growth [kb]: 15920 | Rss growth [kb]: 13352 | Rss growth [kb]: 13432 |
| Rss growth per entity [byte]: 3260 | Rss growth per entity [byte]: 2734 | Rss growth per entity [byte]: 2750 |
| Rss without db [kb]: 29736 | Rss without db [kb]: 29248 | Rss without db [kb]: 30100 |
| Percentage peak rss error: 0 | Percentage peak rss error: 0 | Percentage peak rss error: 0 |
| On disk [kb]: 10788 | On disk [kb]: 9140 | On disk [kb]: 8836 |
| Buffer size total [kb]: 898 | Buffer size total [kb]: 898 | Buffer size total [kb]: 898 |
| Write amplification: 12.0075 | Write amplification: 10.1732 | Write amplification: 9.83485 |
Test Disk Usage:
| Develop | D14099 | This patch |
| ----------------------------------- | ----------------------------------- | ----------------------------------- |
| Free pages: 412 | Free pages: 309 | Free pages: 312 |
| Total pages: 760 | Total pages: 599 | Total pages: 603 |
| Used size: 1425408 | Used size: 1187840 | Used size: 1191936 |
| Calculated key + value size: 856932 | Calculated key + value size: 702866 | Calculated key + value size: 702866 |
| Calculated total db sizes: 970752 | Calculated total db sizes: 954368 | Calculated total db sizes: 933888 |
| Main store on disk: 3112960 | Main store on disk: 2453504 | Main store on disk: 2469888 |
| Total on disk: 3293184 | Total on disk: 2633728 | Total on disk: 2650112 |
| Used size amplification: 1.66339 | Used size amplification: 1.68999 | Used size amplification: 1.69582 |
| Write amplification: 3.63268 | Write amplification: 3.49071 | Write amplification: 3.51402 |
Reviewers: cmollekopf
Reviewed By: cmollekopf
Tags: #sink
Differential Revision: https://phabricator.kde.org/D14289
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... so we can use that information in fetchMore.
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We have to access properties, so we need the mapper anyways, and the
ApplicationDomainType type shouldn't be a large overhead anyways.
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DataStoreQuery now encapsulates the low-level query that operates
directly on the storage. It no longer has access to the resource
buffers, and is instantiated by the type implementation, so we can
specialize the query alogorithm per type, but not per resource.
This will allow us to implement the threading queries for the mailtype.
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clang-format -i */**{.cpp,.h}
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We skip values we've already seen and only retrieve the new ones.
This currently only properly works in a non-live query and we don't
give the model any feedback when we can't fetch more data anymore.
However, it generally works and we get the desired effect.
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sorting
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(except for documentation).
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So far only includes modifications and additions,
removals are not yet stored as separate revisions.
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With equality filter on arbitrary properties as a bonus.
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