加(jiā )锁 同时队(duì )列可以无限(xiàn )长吗 什(shí )么时(shí )候消(xiāo )减,同时(shí )采用了弱(ruò )引(yǐn )用避(bì )免队(duì )列过(guò )大,造成gc压(yā )力 源码如下get recycle scavenge每(měi )次都(dōu )是(shì )从head节点(diǎn )获取,如(rú )果获取不(bú )到就next,这些队列并(bìng )不删除,jvm会(huì )自(zì )动在内存不够(gòu )的时候删除(chú )
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