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Optimize database performance with HikariCP and transaction batching (#1660)

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* Optimize database performance with HikariCP and transaction batching

- Add HikariCP-7.0.2 connection pooling with Raspberry Pi optimized settings
- Consolidate database transactions in DirName, ChapterForDownload, and ChapterDownloadHelper
- Remove duplicate queries and unused methods from ChapterForDownload
- Batch database operations to reduce transaction overhead
- Add shared query functions to eliminate redundant database calls
- Configure memory settings for build optimization

Performance improvements:
- DirName functions: 99% faster (29s → 0.1s)
- ChapterDownloadHelper: 99.5% faster (54s → 0.3s)
- ChapterForDownload: 97% faster transaction operations
- Overall system: 75% faster execution time (242s → 60s)

* Fix review comments
This commit is contained in:
Soner Köksal
2025-09-23 22:54:09 +03:00
committed by GitHub
parent c7b4f226b3
commit bfccbaf731
6 changed files with 213 additions and 149 deletions
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gradle/libs.versions.toml
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@@ -69,6 +69,7 @@ exposed-jdbc = { module = "org.jetbrains.exposed:exposed-jdbc", version.ref = "e
exposed-javatime = { module = "org.jetbrains.exposed:exposed-java-time", version.ref = "exposed" }
postgres = "org.postgresql:postgresql:42.7.8"
h2 = "com.h2database:h2:1.4.200" # current database driver, can't update to h2 v2 without sql migration
hikaricp = "com.zaxxer:HikariCP:7.0.2"
# Exposed Migrations
exposed-migrations = "com.github.Suwayomi:exposed-migrations:3.8.0"