docusaurus: [v2] yarn build crashes out of memory after 92% for huge files

🐛 Bug Report

V2: yarn build crashes after 92%

Have you read the Contributing Guidelines on issues?

yes

To Reproduce

Execute yarn build on some nontrivial amount of docs (e.g. 400 md files)

Expected behavior

yarn build does not crash and produces docs

Actual Behavior

This is an outcome of the failing command

Compiling

● Client █████████████████████████ after chunk asset optimization (93%)  
 

● Server █████████████████████████ building (70%) 799/799 modules 0 active
 


<--- Last few GCs --->

[72094:0x1026a0000]   186455 ms: Mark-sweep 2030.6 (2050.9) -> 2030.4 (2051.4) MB, 1099.8 / 0.0 ms  (average mu = 0.150, current mu = 0.157) allocation failure GC in old space requested
[72094:0x1026a0000]   188396 ms: Mark-sweep 2031.1 (2051.4) -> 2030.9 (2051.9) MB, 1725.5 / 0.0 ms  (average mu = 0.128, current mu = 0.111) allocation failure GC in old space requested


<--- JS stacktrace --->

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

    0: ExitFrame [pc: 0x100ea9f02]
Security context: 0x17c4d139a2f1 <JSObject>
    1: /* anonymous */(aka /* anonymous */) [0x17c4618e27a9] [/<some location>/Projects/magic-script-typings/website/node_modules/webpack/lib/Stats.js:~568] [pc=0x2ec40ce06684](this=0x17c4754804d1 <undefined>,0x17c4086cc5c1 <ModuleReason map = 0x17c461a50d69>)
    2: map [0x17c4d138c321](this=0x17c4b88c7f01 <JSArray[156333]>,0x17c4618e27a9 <JSFunction (sfi = 0...

FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory

Writing Node.js report to file: report.20190913.100136.72094.0.001.json
Node.js report completed
 1: 0x100075bd5 node::Abort() [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
 2: 0x100076316 node::errors::TryCatchScope::~TryCatchScope() [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
 3: 0x1001697d7 v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, bool) [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
 4: 0x10016976c v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
 5: 0x1005480d5 v8::internal::Heap::FatalProcessOutOfMemory(char const*) [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
 6: 0x1005491c3 v8::internal::Heap::CheckIneffectiveMarkCompact(unsigned long, double) [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
 7: 0x100546bc3 v8::internal::Heap::PerformGarbageCollection(v8::internal::GarbageCollector, v8::GCCallbackFlags) [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
 8: 0x10054487f v8::internal::Heap::CollectGarbage(v8::internal::AllocationSpace, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
 9: 0x10054f365 v8::internal::Heap::AllocateRawWithLightRetry(int, v8::internal::AllocationType, v8::internal::AllocationAlignment) [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
10: 0x10054f3df v8::internal::Heap::AllocateRawWithRetryOrFail(int, v8::internal::AllocationType, v8::internal::AllocationAlignment) [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
11: 0x10051e10f v8::internal::Factory::NewFillerObject(int, bool, v8::internal::AllocationSpace) [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
12: 0x1007cf111 v8::internal::Runtime_AllocateInTargetSpace(int, unsigned long*, v8::internal::Isolate*) [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
13: 0x100ea9f02 Builtins_CEntry_Return1_DontSaveFPRegs_ArgvOnStack_NoBuiltinExit [/<some location>/.nvm/versions/node/v12.4.0/bin/node]
error Command failed with signal "SIGABRT".
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.