加锁 同时队(duì )列(liè )可以(yǐ )无限长吗 什(shí )么(me )时候消(xiāo )减,同(tóng )时采用了弱引(yǐn )用避(bì )免队(duì )列(liè )过大,造成gc压(yā )力 源码如下get recycle scavenge每(měi )次都是从head节点获取,如(rú )果获取不(bú )到(dào )就(jiù )next,这(zhè )些队列并(bìng )不删除,jvm会自动(dòng )在内存(cún )不(bú )够的时候(hòu )删除(chú )
Copyright © 2008-2018