Down for Maintenance from December 17, 2025 Wednesday 9:30pm PST to December 18, 2025 Thursday 3:30am PST (i.e., 05:30am -11:30am GMT, December 18, 2025 Thursday)
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Welcome to the Shenandoah Project!
Shenandoah is an ultra-low pause time garbage collector that reduces GC pause times by performing more garbage collection work concurrently with concurrently with the running Java program. CMS and G1 both perform concurrent marking of live objects. Shenandoah adds concurrent compaction.
Resources
Binaries
Adopt OpenJDK is building Shenandoah on a regular basis, if you like to try Shenandoah you can find the latest builds here: