加(jiā )锁 同时(shí )队(duì )列可以(yǐ )无限(xiàn )长吗 什(shí )么时候(hòu )消(xiāo )减,同时(shí )采用了弱引用避(bì )免队列过大(dà ),造成(chéng )gc压力 源码如下(xià )get recycle scavenge每次都是从head节点获(huò )取,如果获取不到就(jiù )next,这(zhè )些队(duì )列并(bìng )不删除(chú ),jvm会自动在内存不(bú )够的(de )时(shí )候删(shān )除
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