out of memory when generate

[gl0zzy]

my hexo has about 25000 posts
how to resolve the problem?

INFO  Start processing
INFO  Files loaded in 1.65 h

<--- Last few GCs --->

[460:0x61f8770]  5999229 ms: Mark-sweep 4040.7 (4137.7) -> 4027.2 (4140.2) MB, 1232.3 / 0.0 ms  (average mu = 0.093, current mu = 0.020) allocation failure; scavenge might not succeed
[460:0x61f8770]  6000518 ms: Mark-sweep 4043.2 (4140.2) -> 4029.5 (4142.4) MB, 1263.7 / 0.0 ms  (average mu = 0.057, current mu = 0.020) allocation failure; scavenge might not succeed


<--- JS stacktrace --->

FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory
 1: 0xb6b850 node::Abort() [hexo]
 2: 0xa806a6  [hexo]
 3: 0xd52140 v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, bool) [hexo]
 4: 0xd524e7 v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [hexo]
 5: 0xf2fbe5  [hexo]
 6: 0xf30ae8 v8::internal::Heap::RecomputeLimits(v8::internal::GarbageCollector) [hexo]
 7: 0xf40ff3  [hexo]
 8: 0xf41e68 v8::internal::Heap::CollectGarbage(v8::internal::AllocationSpace, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) [hexo]
 9: 0xf1c7ce v8::internal::HeapAllocator::AllocateRawWithLightRetrySlowPath(int, v8::internal::AllocationType, v8::internal::AllocationOrigin, v8::internal::AllocationAlignment) [hexo]
10: 0xf1db97 v8::internal::HeapAllocator::AllocateRawWithRetryOrFailSlowPath(int, v8::internal::AllocationType, v8::internal::AllocationOrigin, v8::internal::AllocationAlignment) [hexo]
11: 0xefed6a v8::internal::Factory::NewFillerObject(int, v8::internal::AllocationAlignment, v8::internal::AllocationType, v8::internal::AllocationOrigin) [hexo]
12: 0x12c265f v8::internal::Runtime_AllocateInYoungGeneration(int, unsigned long*, v8::internal::Isolate*) [hexo]
13: 0x16ef479  [hexo]
Aborted

[stevenjoezhang]

You can try to disable external_link in _config.yml:

external_link:
  enable: false

See #4922 (comment)

[lorezyra]

Have you considered increasing the Heap allocation for node?

export NODE_OPTIONS=--max-old-space-size=8192
hexo clean && hexo gen

Also see: https://github.com/orgs/hexojs/discussions/5157