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使用hash.js计算大Buffer的SHA256时遇无效大小错误,调内存无果

使用hash.js计算300MB Buffer的SHA256哈希时触发V8致命错误

我在用hash.js库计算一个约300MB大小的Buffer的SHA256哈希时,遇到了以下V8致命错误:

#
# Fatal error in , line 0
# Fatal JavaScript invalid size error 169220804
#
#
#
#FailureMessage Object: 0x7ffd6dc623c0
 1: 0xbe6ad1  [/mnt/user-data/jan/.nvm/versions/node/v18.14.2/bin/node]
 2: 0x1e42f64 V8_Fatal(char const*, ...) [/mnt/user-data/jan/.nvm/versions/node/v18.14.2/bin/node]
 3: 0xf06978  [/mnt/user-data/jan/.nvm/versions/node/v18.14.2/bin/node]
 4: 0x10b48c2  [/mnt/user-data/jan/.nvm/versions/node/v18.14.2/bin/node]
 5: 0x10b4b82  [/mnt/user-data/jan/.nvm/versions/node/v18.14.2/bin/node]
 6: 0x12c3a5b v8::internal::Runtime_GrowArrayElements(int, unsigned long*, v8::internal::Isolate*) [/mnt/user-data/jan/.nvm/versions/node/v18.14.2/bin/node]
 7: 0x1700579  [/mnt/user-data/jan/.nvm/versions/node/v18.14.2/bin/node]

我尝试通过设置--max-old-space-size参数将Node.js老年代内存上限调高到262GB(机器本身配备512GB内存),但问题依旧:

node --max-old-space-size=262144 --trace-gc-verbose ./dest

以下是错误抛出前的GC内存使用详情:

[1864454:0x6bfe770] Memory allocator,       used: 1662256 KB, available: 266822352 KB
[1864454:0x6bfe770] Read-only space,        used:    241 KB, available:      0 KB, committed:      0 KB
[1864454:0x6bfe770] New space,              used:      0 KB, available:  16109 KB, committed:  32768 KB
[1864454:0x6bfe770] New large object space, used:      0 KB, available: 587572 KB, committed:      0 KB
[1864454:0x6bfe770] Old space,              used:  15238 KB, available:   1485 KB, committed:  17024 KB
[1864454:0x6bfe770] Code space,             used:   1152 KB, available:    235 KB, committed:   1484 KB
[1864454:0x6bfe770] Map space,              used:    512 KB, available:    246 KB, committed:    776 KB
[1864454:0x6bfe770] Large object space,     used: 1610146 KB, available:      0 KB, committed: 1610204 KB
[1864454:0x6bfe770] Code large object space,     used:      0 KB, available:      0 KB, committed:      0 KB
[1864454:0x6bfe770] All spaces,             used: 1627291 KB, available: 267428000 KB, committed: 1662256 KB
[1864454:0x6bfe770] Unmapper buffering 0 chunks of committed:      0 KB
[1864454:0x6bfe770] External memory reported: 329446 KB
[1864454:0x6bfe770] Backing store memory: 329643 KB
[1864454:0x6bfe770] External memory global 0 KB
[1864454:0x6bfe770] Total time spent in GC  : 444.9 ms

从内存数据来看,系统仍有大量可用内存,但错误依然发生,请问问题出在哪里?


内容的提问来源于stack exchange,提问作者Jan Beneš

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最近更新时间:2026.07.30 15:42:26