HADOOP-19675. Close stale PRs updated over 100 days ago. (#7930). Contributed by He Xiaoqiao.

Signed-off-by: Ahmar Suhail <[email protected]>
Signed-off-by: Shilun Fan <[email protected]>

Author: Hexiaoqiao

.github/workflows/stale.yml

@@ -0,0 +1,44 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+name: Close stale PRs
+on:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  stale:
+    if: github.repository == 'apache/hadoop'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v1
+        with:
+          stale-pr-message: >
+            We're closing this stale PR because it has been open for 100 days with
+            no activity. This isn't a judgement on the merit of the PR in any way.
+            It's just a way of keeping the PR queue manageable.
+
+            If you feel like this was a mistake, or you would like to continue
+            working on it, please feel free to re-open it and ask for a committer to
+            remove the stale tag and review again.
+
+            Thanks all for your contribution.
+          days-before-stale: 100
+          days-before-close: 0
+          close-pr-label: 'stale'