Library Cache Lock on Greatfinish Bloghttps://greatfinish.top/tags/library-cache-lock/Recent content in Library Cache Lock on Greatfinish BlogHugo -- gohugo.iozh-cn© 2026 Greatfinish Blog · [沪ICP备2026022892号](https://beian.miit.gov.cn/)Sat, 09 May 2026 18:30:00 +0800Oracle 表结构变更引发包体失效、library cache pin 和行锁阻塞故障处理复盘https://greatfinish.top/posts/oracle-package-invalid-library-cache-pin/Sat, 09 May 2026 18:30:00 +0800https://greatfinish.top/posts/oracle-package-invalid-library-cache-pin/一次由表新增字段引发的 Oracle 生产故障复盘：SCM_PUBLIC、SCM_PURBILL 包体 INVALID，业务高并发触发 library cache 争用，部分会话持有 DML 锁后无法提交，最终形成 enq: TX 行锁阻塞。