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Hexo 构建时内存溢出 FatalProcessOutOfMemory 解决方案

 3 years ago
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Hexo 构建时内存溢出 FatalProcessOutOfMemory 解决方案

作者 崔庆才 发表于 2020-11-01 分类于 技术杂谈 阅读次数： 2 本文字数： 1.7k 阅读时长 ≈ 2 分钟

最近博客换上了 Hexo，但是发现经常莫名其妙构建失败，报内存溢出，Out of Memory，错误如下：

==== JS stack trace =========================================

0: ExitFrame [pc: 0x1409219]
Security context: 0x36ffd21408d1 <JSObject>
    1: get sticky [0x36ffd2149801](this=0x1e69c6f730e1 <JSRegExp <String[10]: [\t \n\r]+>>)
    2: match [0x6ca6396ae39] [/github/workspace/node_modules/js-beautify/js/src/core/inputscanner.js:~110] [pc=0x1d19a16be4dc](this=0x1e69c6f73119 <InputScanner map = 0x1c206a47a549>,0x1e69c6f730e1 <JSRegExp <String[10]: [\t \n\r]+>>)
    3: tokenize [0x6ca6396e171] [/gith...

1: 0xa17c40 node::Abort() [hexo]
 2: 0xa1804c node::OnFatalError(char const*, char const*) [hexo]
 3: 0xb95a7e v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, bool) [hexo]
 4: 0xb95df9 v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [hexo]
 5: 0xd53075  [hexo]
 6: 0xd53706 v8::internal::Heap::RecomputeLimits(v8::internal::GarbageCollector) [hexo]
 7: 0xd5ffc5 v8::internal::Heap::PerformGarbageCollection(v8::internal::GarbageCollector, v8::GCCallbackFlags) [hexo]
 8: 0xd60e75 v8::internal::Heap::CollectGarbage(v8::internal::AllocationSpace, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) [hexo]
 9: 0xd6251f v8::internal::Heap::HandleGCRequest() [hexo]
10: 0xd10f85 v8::internal::StackGuard::HandleInterrupts() [hexo]
11: 0x106c5c6 v8::internal::Runtime_StackGuard(int, unsigned long*, v8::internal::Isolate*) [hexo]
12: 0x1409219  [hexo]

原因就是内存溢出了，这是因为 Hexo 在构建的时候存了一个特别大的数组，而默认 Node 运行时最大内存为 512 MB，详情可以见：https://github.com/hexojs/hexo/issues/2165。

真是服了，才几百篇文章就不行了，耗费内存至于这么多吗？

解决方案，可以直接设置 Node 的最大内存限制，比如我直接设置为 16G，在构建之前执行如下命令就行了：

export NODE_OPTIONS="--max-old-space-size=16384"

这样就设置了 Node 运行时的最大内存，就不会触发内存溢出了。


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