Intermittent Timeouts from Pool at High Load · Issue #1285 · brettwooldridge/HikariCP · GitHub
Literature on DragonballArtist - DeviantArt
Transaction Restraints | PingCAP Docs
MySQL Table Locking
Handling Pessimistic Locking with JPA on Oracle, MySQL, PostgreSQL, Apache Derby and H2 | mimacom
Glass Manager Manual - WinLens
Cause: org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested exception is java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30001ms · Issue #1580 ...