加锁 同时队(duì )列可以(yǐ )无限长(zhǎng )吗 什么时候消减,同(tóng )时(shí )采用了弱引用避(bì )免队(duì )列过大,造(zào )成gc压力 源(yuán )码(mǎ )如下(xià )get recycle scavenge每次都(dōu )是从(cóng )head节点(diǎn )获取,如(rú )果获取(qǔ )不到就next,这些队列并(bìng )不删除,jvm会(huì )自(zì )动在内存不够(gòu )的时(shí )候删除
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