diff --git a/doc/api/process.md b/doc/api/process.md index 9182d25219c92f..a7810e8d816707 100644 --- a/doc/api/process.md +++ b/doc/api/process.md @@ -2807,6 +2807,13 @@ The `process.memoryUsage()` method iterates over each page to gather information about memory usage which might be slow depending on the program memory allocations. +### A note on process memoryUsage + +On Linux or other systems where glibc is commonly used, an application may have sustained +`rss` growth despite stable `heapTotal` due to fragmentation caused by the glibc `malloc` +implementation. See [nodejs/node#21973][] on how to switch to an alternative `malloc` +implementation to address the performance issue. + ## `process.memoryUsage.rss()`