How to view the log of gc in Node application

This article mainly explains "how to view the gc log in the Node application". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to view the gc log in the Node application".

By enabling parameters-- trace-gc and-- trace-gc-verbose

$node-trace-gc index.js

[10711:0x3507b20] 36425 ms: Mark-sweep 28.6 (48.2)-> 19.3 (46.7) MB, 3.90.0 ms (+ 10.4 ms in 8 steps since start of marking, biggest step 6.9 ms, walltime since start of marking 77 ms) (average mu = 0.997, current mu = 0.997) finalize incremental marking via task GC in old space requested

[10711:0x3507b20] 36434 ms: Scavenge 21.0,46.7-> 5.746.7 MB, 1.00.0 ms (average mu = 0.997, current mu = 0.997) allocation failure

[10711:0x3507b20] 36494 ms: Scavenge 21.146. 7-> 6. 2 (46. 7) MB, 2. 3 / 0. Ms (average mu = 0.997, current mu = 0.997) allocation failure

[10711:0x3507b20] 36562 ms: Scavenge 21.1 (46.7)-> 6.0 (46.7) MB, 2.80.0 ms (average mu = 0.997, current mu = 0.997) allocation failure

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