Hacker News new | comments | show | ask | jobs | submit login

Collection level locking isn't in 2.4. Working on more granular locking for 2.6/2.8. May skip collection level entirely for something more granular. More details can be found in the collection level locking ticket https://jira.mongodb.org/browse/SERVER-1240



Skipping collection level locking and going for something more granular (like document level) would be awesome.


Don't you pretty much get document level locking by using multiple $<update> modifiers in a single query?


From an atomicity perspective, yes. From a performance perspective, no; other concurrent operations affecting anything else on the whole database wait on your write.




Guidelines | FAQ | Support | API | Security | Lists | Bookmarklet | DMCA | Apply to YC | Contact

Search: