From b4213e4872d7ffdfc4166c05b486e7d3ee81f3ad Mon Sep 17 00:00:00 2001
From: ychangkim <kkmbal@gmail.com>
Date: Thu, 26 Mar 2026 18:13:44 +0900
Subject: [PATCH] feat: add /dev/shm shared memory volume to jupyterlab
 deployment

Mount RAM-backed emptyDir at /dev/shm to remove the default 64MB limit,
preventing Bus errors when using PyTorch DataLoader or NumPy multiprocessing.
---
 manifests/helm/jupyterlab/1.0.0/templates/deployment.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/manifests/helm/jupyterlab/1.0.0/templates/deployment.yaml b/manifests/helm/jupyterlab/1.0.0/templates/deployment.yaml
index 8271e9e..d786f9c 100644
--- a/manifests/helm/jupyterlab/1.0.0/templates/deployment.yaml
+++ b/manifests/helm/jupyterlab/1.0.0/templates/deployment.yaml
@@ -75,6 +75,8 @@ spec:
             - name: gv-{{ .claimName }}
               mountPath: {{ .mountPath }}
             {{- end }}
+            - name: dshm
+              mountPath: /dev/shm
       volumes:
         - name: localtime
           hostPath:
@@ -98,3 +100,6 @@ spec:
           persistentVolumeClaim:
             claimName: {{ .claimName }}
         {{- end }}
+        - name: dshm
+          emptyDir:
+            medium: Memory