加(jiā )锁 同时队列可(kě )以无限长吗 什(shí )么(me )时(shí )候(hòu )消减,同时(shí )采用了弱(ruò )引用避(bì )免队(duì )列过大(dà ),造成gc压(yā )力(lì ) 源码如下get recycle scavenge每(měi )次都(dōu )是(shì )从(cóng )head节点获取,如果(guǒ )获取不到(dào )就next,这些队(duì )列并不删除,jvm会自动在内存(cún )不(bú )够的时候删(shān )除(chú )
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