diff --git a/.obsidian/workspace b/.obsidian/workspace
index 327377799..0ad4c6457 100644
--- a/.obsidian/workspace
+++ b/.obsidian/workspace
@@ -40,7 +40,7 @@
           {
             "id": "b10c458a123bbbd5",
             "type": "leaf",
-            "dimension": 7.6923076923076925,
+            "dimension": 3.8461538461538463,
             "state": {
               "type": "markdown",
               "state": {
@@ -49,6 +49,18 @@
               }
             }
           },
+          {
+            "id": "f40678b37d723ff1",
+            "type": "leaf",
+            "dimension": 3.8461538461538463,
+            "state": {
+              "type": "markdown",
+              "state": {
+                "file": "the art of graceful reloading.md",
+                "mode": "source"
+              }
+            }
+          },
           {
             "id": "ea9bbb736723e3ad",
             "type": "leaf",
@@ -248,7 +260,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "2021-05-16.md",
+                "file": "the art of graceful reloading.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -265,7 +277,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "2021-05-16.md"
+                "file": "the art of graceful reloading.md"
               }
             }
           },
@@ -298,8 +310,9 @@
     "width": 300,
     "collapsed": true
   },
-  "active": "b10c458a123bbbd5",
+  "active": "f40678b37d723ff1",
   "lastOpenFiles": [
+    "the art of graceful reloading.md",
     "2021-05-16.md",
     "agora service.md",
     "agora ui.md",
@@ -308,7 +321,6 @@
     "arcology.md",
     "cannabis.md",
     "arcologies.md",
-    "kraftwerk 1.md",
-    "dust theory.md"
+    "kraftwerk 1.md"
   ]
 }
\ No newline at end of file
diff --git a/2021-05-16.md b/2021-05-16.md
index 15887d812..efebace92 100644
--- a/2021-05-16.md
+++ b/2021-05-16.md
@@ -2,7 +2,8 @@
 - [[free, fair and alive]]
 - [[systemd]]
 	- [[agora service]]
-	- uncursed environment selection in agora-server finally, now we have an actual simple [[experiment framework]]
+	- uncursed environment selection in agora-server finally, now we have an actual simple [[experiment framework]].
+- [[the art of graceful reloading]]
 - [[cannabis]]
 - [[arcology]]
 - [[xaos]]
diff --git a/the art of graceful reloading.md b/the art of graceful reloading.md
new file mode 100644
index 000000000..19370f391
--- /dev/null
+++ b/the art of graceful reloading.md	
@@ -0,0 +1,4 @@
+- [[go]] https://uwsgi-docs.readthedocs.io/en/latest/articles/TheArtOfGracefulReloading.html
+
+
+https://twitter.com/flancian/status/1393976091614789632
\ No newline at end of file