Memory leak on nodejs process

Question

Does anyone one have any idea what is
Module: "/lib64/libstdc++.so.6", Symbol is '_Znwm' and why it is keeping increasing memory.

I was using mtrace to see the memory usage for native modules, and I found this one use majority of the memory and does not release.

score 0 · Answer 1 · answered Jun 04 '18 at 16:36

libstdc++ is the standard library, and _Znmw is operator new, see e.g. What does Znwm and ZdlPv mean in assembly? and many other search results.

So this doesn't tell you anything in particular, only that some code creates new C++ objects. You'll have to dig deeper to identify the leaks.

score -1 · Answer 2 · answered Jun 02 '18 at 04:27

-1

I think you are talking about garbage collection issue. This article may help you.

the case is, If you have a quite complex project which allocates lots of memory, you should run gc to cleanup memory.

answered Jun 02 '18 at 04:27

Triggering GC manually should never be necessary, so no, you should not do that. The whole point of automatic garbage-collection is that it's automatic ;-) – jmrk Jun 04 '18 at 16:32

2 Answers2