From ab8d37690a4258d3e172807bd4916b328c9ef9b7 Mon Sep 17 00:00:00 2001
From: Jay McCure <jmccure@gitlab.com>
Date: Wed, 10 Sep 2025 09:51:14 +1000
Subject: [PATCH 1/7] Tests: use chrome 138

---
 .gitlab/ci/version.yml                              | 2 +-
 qa/Dockerfile                                       | 2 +-
 spec/features/snippets/user_creates_snippet_spec.rb | 4 +---
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/.gitlab/ci/version.yml b/.gitlab/ci/version.yml
index 3d7ac30ab2d579..aab3b3de2c6b56 100644
--- a/.gitlab/ci/version.yml
+++ b/.gitlab/ci/version.yml
@@ -1,6 +1,6 @@
 variables:
   BUILD_OS: "debian"
-  CHROME_VERSION: "123"
+  CHROME_VERSION: "138"
   DOCKER_VERSION: "27.4.1"
   EXIFTOOL_VERSION: "12.60"
   GCLOUD_VERSION: "413"
diff --git a/qa/Dockerfile b/qa/Dockerfile
index a10db24c2f0566..4a66992bddabfa 100644
--- a/qa/Dockerfile
+++ b/qa/Dockerfile
@@ -1,5 +1,5 @@
 ARG BUILD_OS=debian
-ARG CHROME_VERSION=123
+ARG CHROME_VERSION=138
 ARG DOCKER_VERSION=24.0.5
 ARG GCLOUD_VERSION=413
 ARG GIT_VERSION=2.51
diff --git a/spec/features/snippets/user_creates_snippet_spec.rb b/spec/features/snippets/user_creates_snippet_spec.rb
index e49b4707e2ed86..4245839cfd93b4 100644
--- a/spec/features/snippets/user_creates_snippet_spec.rb
+++ b/spec/features/snippets/user_creates_snippet_spec.rb
@@ -146,9 +146,7 @@ def fill_form
       # not anymore as requests when they come straight from memory cache.
       # accept_confirm is needed because of https://gitlab.com/gitlab-org/gitlab/-/issues/262102
       reqs = inspect_requests do
-        visit("#{link}?ran=#{SecureRandom.base64(20)}") do
-          page.driver.browser.switch_to.alert.accept
-        end
+        visit("#{link}?ran=#{SecureRandom.base64(20)}")
       end
       expect(reqs.first.status_code).to eq(200)
     end
-- 
GitLab


From 628a1d30df5c29d4bff6df0187b3c1eec22b01ec Mon Sep 17 00:00:00 2001
From: Jay McCure <jmccure@gitlab.com>
Date: Wed, 10 Sep 2025 12:40:57 +1000
Subject: [PATCH 2/7] Increase ulimits for tests

---
 .gitlab/ci/rails/shared.gitlab-ci.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.gitlab/ci/rails/shared.gitlab-ci.yml b/.gitlab/ci/rails/shared.gitlab-ci.yml
index ab1f1af7fd8dbd..9e1f7b94d5862d 100644
--- a/.gitlab/ci/rails/shared.gitlab-ci.yml
+++ b/.gitlab/ci/rails/shared.gitlab-ci.yml
@@ -112,6 +112,10 @@ include:
     # spec/lib, yet background migration tests are also sitting there,
     # and they should run on their own jobs so we don't need to run them
     # in unit tests again.
+    - echo "Limits set: FD=$(ulimit -n), Processes=$(ulimit -u)"
+    - ulimit -n 65536
+    - ulimit -u 4096
+    - echo "Limits set: FD=$(ulimit -n), Processes=$(ulimit -u)"
     - rspec_section rspec_parallelized_job "--fail-fast=${RSPEC_FAIL_FAST_THRESHOLD} --tag ~quarantine --tag ~level:background_migration --tag ~click_house"
   after_script:
     # We need this at the very top, because the section_start/section_end logic is defined there.
-- 
GitLab


From 8dfc8d762d4f956d29a4a8d29cfb23eca805740a Mon Sep 17 00:00:00 2001
From: Jay McCure <jmccure@gitlab.com>
Date: Wed, 10 Sep 2025 13:16:29 +1000
Subject: [PATCH 3/7] Increase ulimits for tests

---
 .gitlab/ci/rails/shared.gitlab-ci.yml | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/.gitlab/ci/rails/shared.gitlab-ci.yml b/.gitlab/ci/rails/shared.gitlab-ci.yml
index 9e1f7b94d5862d..94436a299c1ee1 100644
--- a/.gitlab/ci/rails/shared.gitlab-ci.yml
+++ b/.gitlab/ci/rails/shared.gitlab-ci.yml
@@ -112,11 +112,12 @@ include:
     # spec/lib, yet background migration tests are also sitting there,
     # and they should run on their own jobs so we don't need to run them
     # in unit tests again.
-    - echo "Limits set: FD=$(ulimit -n), Processes=$(ulimit -u)"
-    - ulimit -n 65536
-    - ulimit -u 4096
-    - echo "Limits set: FD=$(ulimit -n), Processes=$(ulimit -u)"
-    - rspec_section rspec_parallelized_job "--fail-fast=${RSPEC_FAIL_FAST_THRESHOLD} --tag ~quarantine --tag ~level:background_migration --tag ~click_house"
+    - |
+      echo "Limits set: FD=$(ulimit -n), Processes=$(ulimit -u)"
+      ulimit -n 65536
+      ulimit -u 4096
+      echo "Limits set: FD=$(ulimit -n), Processes=$(ulimit -u)"
+      rspec_section rspec_parallelized_job "--fail-fast=${RSPEC_FAIL_FAST_THRESHOLD} --tag ~quarantine --tag ~level:background_migration --tag ~click_house"
   after_script:
     # We need this at the very top, because the section_start/section_end logic is defined there.
     - source scripts/utils.sh
-- 
GitLab


From cb53fad958420b4fdd13a6fe8ae2e3777cd28999 Mon Sep 17 00:00:00 2001
From: Jay McCure <jmccure@gitlab.com>
Date: Wed, 10 Sep 2025 16:18:15 +1000
Subject: [PATCH 4/7] Edit capybara.rb

---
 spec/support/capybara.rb | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/spec/support/capybara.rb b/spec/support/capybara.rb
index 7d58a81ede1577..14b101873c6e0d 100644
--- a/spec/support/capybara.rb
+++ b/spec/support/capybara.rb
@@ -47,6 +47,30 @@
   # Ensure the Chrome locale is `en` so all dates are deterministic regardless of local settings
   options.add_preference('intl.accept_languages', 'en')
 
+  if ENV['CI'] || ENV['CI_SERVER']
+    # Use the RAM disk if available, otherwise fallback to /tmp
+    chrome_dir = ENV['CHROME_TMPDIR'] || '/tmp'
+    
+    # Create unique directories for this process
+    process_dir = "#{chrome_dir}/chrome-#{Process.pid}-#{Time.now.to_i}"
+    FileUtils.mkdir_p(process_dir)
+    
+    # Use RAM-based directories for everything
+    options.add_argument("--user-data-dir=#{process_dir}/profile")
+    options.add_argument("--disk-cache-dir=#{process_dir}/cache")
+    options.add_argument("--crash-dumps-dir=#{process_dir}/crashes")
+    
+    # REMOVE or conditionally add disable-dev-shm-usage
+    # Since we're using our own tmpfs, we might not need this flag
+    if ENV['CHROME_TMPDIR'] && ENV['CHROME_TMPDIR'].include?('chrome-mem')
+      puts "Using RAM disk, skipping disable-dev-shm-usage flag"
+      # Don't add the flag - let Chrome use the fast path
+    else
+      puts "Using disk, adding disable-dev-shm-usage flag"
+      options.add_argument("disable-dev-shm-usage")
+    end
+  end
+
   unless ENV['WEBDRIVER_HEADLESS'] =~ /^(false|no|0)$/i || ENV['CHROME_HEADLESS'] =~ /^(false|no|0)$/i
     # Run headless by default unless WEBDRIVER_HEADLESS specified
     options.add_argument("headless")
-- 
GitLab


From 516836dff6683c5e9e0180421ba58c591a425489 Mon Sep 17 00:00:00 2001
From: Jay McCure <jmccure@gitlab.com>
Date: Wed, 10 Sep 2025 16:18:24 +1000
Subject: [PATCH 5/7] Apply 1 suggestion(s) to 1 file(s)

---
 .gitlab/ci/rails/shared.gitlab-ci.yml | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/.gitlab/ci/rails/shared.gitlab-ci.yml b/.gitlab/ci/rails/shared.gitlab-ci.yml
index 94436a299c1ee1..c650f9c373cbcd 100644
--- a/.gitlab/ci/rails/shared.gitlab-ci.yml
+++ b/.gitlab/ci/rails/shared.gitlab-ci.yml
@@ -113,10 +113,18 @@ include:
     # and they should run on their own jobs so we don't need to run them
     # in unit tests again.
     - |
-      echo "Limits set: FD=$(ulimit -n), Processes=$(ulimit -u)"
-      ulimit -n 65536
-      ulimit -u 4096
-      echo "Limits set: FD=$(ulimit -n), Processes=$(ulimit -u)"
+      echo "=== Setting up Chrome memory optimization ==="
+      df -h /dev/shm
+      # Create a 1GB RAM-based tmpfs for Chrome (you have 3.9GB available)
+      mkdir -p /tmp/chrome-mem
+      if mount -t tmpfs -o size=1G tmpfs /tmp/chrome-mem; then
+        echo "✓ Created 1GB RAM disk at /tmp/chrome-mem"
+        export CHROME_TMPDIR=/tmp/chrome-mem
+        df -h /tmp/chrome-mem
+      else
+        echo "⚠ Could not create tmpfs, using regular disk"
+        export CHROME_TMPDIR=/tmp
+      fi
       rspec_section rspec_parallelized_job "--fail-fast=${RSPEC_FAIL_FAST_THRESHOLD} --tag ~quarantine --tag ~level:background_migration --tag ~click_house"
   after_script:
     # We need this at the very top, because the section_start/section_end logic is defined there.
-- 
GitLab


From 6dd1b73253262f6bad8021bcc01c091e26c6e0e5 Mon Sep 17 00:00:00 2001
From: Jay McCure <jmccure@gitlab.com>
Date: Wed, 10 Sep 2025 16:22:49 +1000
Subject: [PATCH 6/7] Edit capybara.rb

---
 spec/support/capybara.rb | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/spec/support/capybara.rb b/spec/support/capybara.rb
index 14b101873c6e0d..3e629b2a336452 100644
--- a/spec/support/capybara.rb
+++ b/spec/support/capybara.rb
@@ -84,9 +84,6 @@
     options.add_argument("disable-backgrounding-occluded-windows")
   end
 
-  # Disable /dev/shm use in CI. See https://gitlab.com/gitlab-org/gitlab/issues/4252
-  options.add_argument("disable-dev-shm-usage") if ENV['CI'] || ENV['CI_SERVER']
-
   # Set chrome default download path
   if ENV['DEFAULT_CHROME_DOWNLOAD_PATH']
     options.add_preference("download.default_directory", ENV['DEFAULT_CHROME_DOWNLOAD_PATH'])
-- 
GitLab


From 486add010dfeb6a907a9cc51664795fd2e2d38c5 Mon Sep 17 00:00:00 2001
From: Jay McCure <jmccure@gitlab.com>
Date: Wed, 10 Sep 2025 16:54:55 +1000
Subject: [PATCH 7/7] Edit capybara.rb

---
 spec/support/capybara.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/spec/support/capybara.rb b/spec/support/capybara.rb
index 3e629b2a336452..4156516090324e 100644
--- a/spec/support/capybara.rb
+++ b/spec/support/capybara.rb
@@ -41,6 +41,8 @@
 
   # Chrome won't work properly in a Docker container in sandbox mode
   options.add_argument("no-sandbox")
+  options.add_argument("--disable-features=ParallelDownloading")
+  options.add_argument("--disable-http2")  # HTTP/1.1 has different connection behavior
 
   options.add_argument("disable-search-engine-choice-screen")
 
-- 
GitLab