Shulou(Shulou.com)06/03 Report--

1. Serial recovery

Generally used on a single CPU platform

Open it with-XX:+UseSerialGC

two。 Parallel recovery

Generally used on multi-CPU platforms

Open with-XX:UseParallelGC (the younger generation uses parallel collection to reduce garbage collection time)

Open the parallel collection of the old age with-XX:UseParallelOldGC

Set the number of parallel garbage collection threads with-XX:UseParallelGCThreads (can be set equal to the machine processor)

3. Concurrent recovery

Suitable for medium and large applications with high response time requirements

Open it with-XX:+UseConcMarkSweepGC

The main purpose of the concurrent collector is to reduce the pause time in the old days.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.