From 4d2cfc61fffb55b01cf53573ec2a68b8ab72f6f7 Mon Sep 17 00:00:00 2001
From: Kyle Matoba <22180455+kylematoba@users.noreply.github.com>
Date: Mon, 25 Sep 2023 23:24:15 +0200
Subject: [PATCH] Add pointer to the shm-size docker arg to the docs

---
 docs/guide/getting_started.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/guide/getting_started.md b/docs/guide/getting_started.md
index 5189e58..e572186 100644
--- a/docs/guide/getting_started.md
+++ b/docs/guide/getting_started.md
@@ -24,6 +24,7 @@ First we need to install the dependencies.
    	-v /path/to/Megatron-LLM/:/mpt/Megatron-LLM \
    	nvcr.io/nvidia/pytorch:23.07-py3
    ```
+   Note: "if you use Torch multiprocessing for multi-threaded data loaders, the default shared memory segment size that the container runs with may not be enough. Therefore, you should increase the shared memory size by issuing ... " (from https://catalog.ngc.nvidia.com/orgs/nvidia/containers/pytorch) `--shm-size=` as an argument to above command. E.g. `--shm-size=128gb`.
 
 1. Enter the repository:
    ```