diff --git a/.github/workflows/nextest.yml b/.github/workflows/nextest.yml
new file mode 100644
index 0000000..4f503e8
--- /dev/null
+++ b/.github/workflows/nextest.yml
@@ -0,0 +1,72 @@
+# See workflow runs at https://github.com/nextest-rs/reuse-build-partition-example/actions/workflows/ci.yml.
+
+name: nextest
+
+on:
+  # pull_request:
+  #   branches: [main]
+  push:
+    branches: [main]
+  schedule:
+    # Run this every day at 00:00 UTC.
+    - cron: 0 0 * * *
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build-test-artifacts:
+    name: Build test artifacts
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          # By default actions/checkout checks out a merge commit. Check out the PR head instead.
+          # https://github.com/actions/checkout#checkout-pull-request-head-commit-instead-of-merge-commit
+          ref: ${{ github.event.pull_request.head.sha }}
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      # - uses: rui314/setup-mold@v1
+      - name: clang
+        run: sudo apt-get install -y musl-tools musl-dev libssl-dev clang mold
+      - name: Install nextest
+        uses: taiki-e/install-action@nextest
+      - name: Build and archive tests
+        run: cargo nextest archive --archive-file nextest-archive.tar.zst
+      - name: Upload archive to workflow
+        uses: actions/upload-artifact@v3
+        with:
+          name: nextest-archive
+          path: nextest-archive.tar.zst
+
+  run-tests-partitioned:
+    name: Run tests with partitioning
+    runs-on: ubuntu-latest
+    needs: build-test-artifacts
+    strategy:
+      matrix:
+        partition: [1, 2]
+    steps:
+      # The source directory must be checked out.
+      - uses: actions/checkout@v2
+        with:
+          # By default actions/checkout checks out a merge commit. Check out the PR head instead.
+          # https://github.com/actions/checkout#checkout-pull-request-head-commit-instead-of-merge-commit
+          ref: ${{ github.event.pull_request.head.sha }}
+      # In this example, the Rust toolchain is not installed. cargo nextest's run phase does not
+      # require Cargo. You can choose to install Rust if your tests require it, of course.
+      # Instead, create ~/.cargo/bin as required by the install action.
+      - run: mkdir -p ~/.cargo/bin
+      - name: Install nextest
+        uses: taiki-e/install-action@nextest
+      - name: Download archive
+        uses: actions/download-artifact@v3
+        with:
+          name: nextest-archive
+      - name: Run tests
+        run: |
+          ~/.cargo/bin/cargo-nextest nextest run --archive-file nextest-archive.tar.zst \
+            --partition count:${{ matrix.partition }}/2 \
+            -E "all() - test(get_api) - kind(bin)"
diff --git a/src/main.rs b/src/main.rs
index c128f52..47bfcb9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -46,7 +46,7 @@ fn csv_merge() -> Result<(), Box<dyn Error>> {
 
 fn ark_plan(ticker: Ticker) -> Result<(), Box<dyn Error>> {
     println!("Starting: {:#?}", ticker);
-    let sec = Duration::from_secs(rand::thread_rng().gen_range(5 * 60..=30 * 60));
+    let sec = Duration::from_secs(rand::thread_rng().gen_range(30 * 60..=4* 60 * 60));
     // sleep(sec).await;
     thread::sleep(sec);