加锁 同(tóng )时队列(liè )可以无限(xiàn )长(zhǎng )吗 什么(me )时(shí )候(hòu )消减,同时(shí )采用了(le )弱(ruò )引用避免队(duì )列过大,造(zào )成(chéng )gc压(yā )力 源(yuán )码如下get recycle scavenge每次都(dōu )是从head节(jiē )点获取,如果获取不(bú )到就next,这些队列并不(bú )删除,jvm会(huì )自动(dòng )在内存不够的时(shí )候删(shān )除
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