<--- Last few GCs ---> [7200:0x3ddd1000] 1031 ms: Mark-Compact 136.1 (155.8) -> 122.2 (157.8) MB, pooled: 0 MB, 66.17 / 0.00 ms (average mu = 0.120, current mu = 0.071) allocation failure; scavenge might not succeed [7200:0x3ddd1000] 1100 ms: Mark-Compact 137.9 (157.8) -> 124.1 (159.5) MB, pooled: 0 MB, 64.20 / 0.00 ms (average mu = 0.098, current mu = 0.075) allocation failure; scavenge might not succeed <--- JS stacktrace ---> FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory ----- Native stack trace ----- 1: 0xe42d60 node::OOMErrorHandler(char const*, v8::OOMDetails const&) [node] 2: 0x121ded0 v8::Utils::ReportOOMFailure(v8::internal::Isolate*, char const*, v8::OOMDetails const&) [node] 3: 0x121e1a7 v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, v8::OOMDetails const&) [node] 4: 0x144d015 [node] 5: 0x144d043 [node] 6: 0x146611a [node] 7: 0x14692e8 [node] 8: 0x1cd07a1 [node]