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【m6 tool下载】

加(jiā )锁(suǒ ) 同(tóng )时(shí )队(duì )列可(kě )以无限长吗 什(shí )么时候消减(jiǎn ),同时采用(yòng )了弱引用避免队列过大,造成(chéng )gc压(yā )力(lì ) 源码如(rú )下get recycle scavenge每次都是从head节点(diǎn )获(huò )取,如(rú )果获取不到(dào )就next,这些队列(liè )并(bìng )不删(shān )除(chú ),jvm会(huì )自动(dòng )在内存不(bú )够的时候删除

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