能用轻量工具先排查，就不要一上来就jmap dump。dump整个堆不仅会触发STW，生成的文件还特别大，16G堆dump出来就是16G的文件，传都传不动。 帮朋友排查一个奇怪的问题——线上服务每隔两三天就 ...
I originally created this as a short to-do list of study topics for becoming a software engineer, but it grew to the large list you see today. After going through this study plan, I got hired as a ...
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