加锁 同时(shí )队(duì )列可以无限长(zhǎng )吗 什(shí )么(me )时候消减,同(tóng )时采用了(le )弱(ruò )引(yǐn )用避(bì )免队列过大,造成(chéng )gc压(yā )力 源码如下get recycle scavenge每次都(dōu )是从head节点(diǎn )获(huò )取(qǔ ),如果获取不(bú )到(dào )就next,这些队列并不(bú )删除,jvm会(huì )自(zì )动在内存(cún )不够的时候删(shān )除
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