一文讀懂線程池的工作原理（故事白話文）

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按順領完任務後，發現還剩餘一個需求任務。這個怎麼安排呢？難道又去"},{"type":"text","marks":[{"type":"strong"}],"text":"豬八戒兼職網"},{"type":"text","text":"找人嘛？成立了"},{"type":"text","marks":[{"type":"strong"}],"text":"線程池IT部門"},{"type":"text","text":"，還去找人（線程幹活），會被人笑落大牙的！"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"聰明的小田螺想到一個好辦法，我們可以搞個DPMS需求池，把還沒分配的需求，放進待完成的DPMS需求池裏面吧，等到a，b，c誰先幹完活，再把這個任務領走。這個DPMS需求池，我們給它取名"},{"type":"text","marks":[{"type":"strong"}],"text":"阻塞隊列"},{"type":"text","text":"，英文名叫"},{"type":"text","marks":[{"type":"strong"}],"text":"WorkQueue"},{"type":"text","text":"吧！"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"什麼是非核心線程？"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"又在一個晴空萬里的午後，老闆喝了一杯咖啡，閒來沒事，就跑去"},{"type":"text","marks":[{"type":"strong"}],"text":"阻塞隊列"},{"type":"text","text":"（DPMS需求池）看看，一看就傻帽了！！需求池堆積了幾十個需求，排期都是滿滿的了。老闆馬上叫"},{"type":"text","marks":[{"type":"strong"}],"text":"小田螺進來辦公室"},{"type":"text","text":"，以商量如何處理這些需求任務。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"“要不，我們僱傭多幾個員工（搞多幾個"},{"type":"text","marks":[{"type":"strong"}],"text":"核心線程"},{"type":"text","text":"）？” “不行不行，公司財務"},{"type":"text","marks":[{"type":"strong"}],"text":"開銷"},{"type":"text","text":"有點大！”"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"“要不然，我們要求業務提少點任務需求？（"},{"type":"text","marks":[{"type":"strong"}],"text":"請求少點"},{"type":"text","text":"）” “你是不是傻，請求少點，不是自斷財路嘛？你回家想想辦法先吧！！”老闆放大了他的嗓門~"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"小田螺回家閉目讓神，每天早早就睡覺，兩耳不聞窗外事...終於有一天，在一個夢香裏，他想到了一個好辦法。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"“老闆，我們可以去別的公司（"},{"type":"text","marks":[{"type":"strong"}],"text":"外包公司"},{"type":"text","text":"）僱傭幾個員工（假設名字爲d,e,f,g）一段時間，讓它們來做"},{"type":"text","marks":[{"type":"strong"}],"text":"DPMS需求池（阻塞隊列）"},{"type":"text","text":" 裏面的需求。等到做完需求，再派他們回去就好啦。” 老闆一聽就樂了，這個方案好，心裏美滋滋："},{"type":"text","marks":[{"type":"strong"}],"text":"需求的活有人幹了，公司財務又省錢，兩全其美呀"},{"type":"text","text":"~ 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