加(jiā )锁 同(tóng )时队(duì )列可以无限(xiàn )长(zhǎng )吗 什么(me )时候消减,同时采(cǎi )用了弱引用避免队(duì )列过大(dà ),造(zào )成(chéng )gc压力 源码如下get recycle scavenge每次(cì )都(dōu )是从head节点获取,如果(guǒ )获取不(bú )到(dào )就next,这些(xiē )队(duì )列并不删除,jvm会自(zì )动在(zài )内存不够的时候(hòu )删(shān )除
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